{"id":193,"date":"2023-05-22T15:43:39","date_gmt":"2023-05-22T07:43:39","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=193"},"modified":"2023-05-22T16:44:08","modified_gmt":"2023-05-22T08:44:08","slug":"ad57f0d8e9","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/ad57f0d8e9\/","title":{"rendered":"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f"},"content":{"rendered":"<div class=\"bpp-post-content\">\n<section style=\"color: black; padding-right: 10px; padding-left: 10px; word-break: break-word; text-align: left; font-size: 16px; letter-spacing: 2px; line-height: 1.75em; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; margin-bottom: 24px;\">\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4eca\u5929\u5206\u4eab\u4e00\u4e9b\u5b9e\u7528\u7684\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u7684\u5efa\u8bae\uff0c\u5185\u5bb9\u8f83\u591a\uff0c\u5efa\u8bae\u6536\u85cf\uff01<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5185\u5bb9\u6982\u89c8\uff1a<\/p>\n<figure style=\"margin-top: 10px; margin-bottom: 10px; display: flex; flex-direction: column; justify-content: center; align-items: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"rich_pages wxw-img aligncenter lazyload\" style=\"display: block; margin-right: auto; margin-left: auto; width: 395px; height: 1084px;\" title=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" data-src=\"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" width=\"616\" height=\"1690\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"rich_pages wxw-img aligncenter\" style=\"display: block; margin-right: auto; margin-left: auto; width: 395px; height: 1084px;\" title=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" src=\"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png\" alt=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" width=\"616\" height=\"1690\" \/><\/noscript><\/figure>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u63d0\u53d6\u901a\u7528\u5904\u7406\u903b\u8f91<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6ce8\u89e3\u3001\u53cd\u5c04\u548c\u52a8\u6001\u4ee3\u7406\u662f Java \u8bed\u8a00\u4e2d\u7684\u5229\u5668\uff0c\u4f7f\u7528\u5f97\u5f53\u7684\u8bdd\uff0c\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u4ee3\u7801\u7f16\u5199\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5927\u5bb6\u53ef\u4ee5\u5229\u7528 <strong style=\"color: #3498db;\">\u6ce8\u89e3 + \u53cd\u5c04<\/strong> \u548c <strong style=\"color: #3498db;\">\u6ce8\u89e3+\u52a8\u6001\u4ee3\u7406<\/strong> \u6765\u63d0\u53d6\u7c7b\u3001\u7c7b\u5c5e\u6027\u6216\u8005\u7c7b\u65b9\u6cd5\u901a\u7528\u5904\u7406\u903b\u8f91\uff0c\u8fdb\u800c\u907f\u514d\u91cd\u590d\u7684\u4ee3\u7801\u3002\u867d\u7136\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u4e9b\u6027\u80fd\u635f\u8017\uff0c\u4f46\u4e0e\u5176\u5e26\u6765\u7684\u597d\u5904\u76f8\u6bd4\u8fd8\u662f\u975e\u5e38\u503c\u5f97\u7684\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u901a\u8fc7 <strong style=\"color: #3498db;\">\u6ce8\u89e3 + \u53cd\u5c04<\/strong> \u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u83b7\u53d6\u7c7b\u7684\u4fe1\u606f\u3001\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u901a\u7528\u5904\u7406\u3002\u6bd4\u5982\u8bf4\u5728\u901a\u8fc7 Spring Boot \u4e2d\u901a\u8fc7\u6ce8\u89e3\u9a8c\u8bc1\u63a5\u53e3\u8f93\u5165\u7684\u6570\u636e\u5c31\u662f\u8fd9\u4e2a\u601d\u60f3\u7684\u8fd0\u7528\uff0c\u901a\u8fc7\u6ce8\u89e3\u6765\u6807\u8bb0\u9700\u8981\u9a8c\u8bc1\u7684\u53c2\u6570\uff0c\u7136\u540e\u901a\u8fc7\u53cd\u5c04\u83b7\u53d6\u5c5e\u6027\u7684\u503c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u9a8c\u8bc1\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@Data<\/span>\n<span style=\"color: #61aeee; line-height: 26px;\">@Builder<\/span>\n<span style=\"color: #61aeee; line-height: 26px;\">@AllArgsConstructor<\/span>\n<span style=\"color: #61aeee; line-height: 26px;\">@NoArgsConstructor<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">PersonRequest<\/span>\u00a0<\/span>{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@NotNull<\/span>(message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"classId\u00a0\u4e0d\u80fd\u4e3a\u7a7a\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0classId;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Size<\/span>(max\u00a0=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">33<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@NotNull<\/span>(message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"name\u00a0\u4e0d\u80fd\u4e3a\u7a7a\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0name;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Pattern<\/span>(regexp\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"(^Man$|^Woman$|^UGM$)\"<\/span>,\u00a0message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"sex\u00a0\u503c\u4e0d\u5728\u53ef\u9009\u8303\u56f4\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@NotNull<\/span>(message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"sex\u00a0\u4e0d\u80fd\u4e3a\u7a7a\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0sex;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Region<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0region;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@PhoneNumber<\/span>(message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"phoneNumber\u00a0\u683c\u5f0f\u4e0d\u6b63\u786e\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@NotNull<\/span>(message\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"phoneNumber\u00a0\u4e0d\u80fd\u4e3a\u7a7a\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0phoneNumber;\n\n}<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u901a\u8fc7 <strong style=\"color: #3498db;\">\u6ce8\u89e3 + \u52a8\u6001\u4ee3\u7406<\/strong> \u8fd9\u79cd\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\uff0c\u4ece\u800c\u5b9e\u73b0\u901a\u7528\u5904\u7406\u903b\u8f91\u3002\u6bd4\u5982\u8bf4 Spring \u6846\u67b6\u4e2d\uff0cAOP \u6a21\u5757\u6b63\u662f\u5229\u7528\u4e86\u8fd9\u79cd\u601d\u60f3\uff0c\u901a\u8fc7\u5728\u76ee\u6807\u7c7b\u6216\u65b9\u6cd5\u4e0a\u6dfb\u52a0\u6ce8\u89e3\uff0c\u52a8\u6001\u751f\u6210\u4ee3\u7406\u7c7b\uff0c\u5e76\u5728\u4ee3\u7406\u7c7b\u4e2d\u52a0\u5165\u76f8\u5e94\u7684\u901a\u7528\u5904\u7406\u903b\u8f91\uff0c\u6bd4\u5982\u4e8b\u52a1\u7ba1\u7406\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u7f13\u5b58\u5904\u7406\u7b49\u3002\u540c\u65f6\uff0cSpring \u4e5f\u63d0\u4f9b\u4e86\u4e24\u79cd\u4ee3\u7406\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5373\u57fa\u4e8e JDK \u52a8\u6001\u4ee3\u7406\u548c\u57fa\u4e8e CGLIB \u52a8\u6001\u4ee3\u7406\uff08JDK \u52a8\u6001\u4ee3\u7406\u5e95\u5c42\u57fa\u4e8e\u53cd\u5c04\uff0cCGLIB \u52a8\u6001\u4ee3\u7406\u5e95\u5c42\u57fa\u4e8e\u5b57\u8282\u7801\u751f\u6210\uff09\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@LogRecord<\/span>(content\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"\u4fee\u6539\u4e86\u8ba2\u5355\u7684\u914d\u9001\u5730\u5740\uff1a\u4ece\u201c#oldAddress\u201d, \u4fee\u6539\u5230\u201c#request.address\u201d\"<\/span>,\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bizNo=<span style=\"color: #98c379; line-height: 26px;\">\"#request.deliveryOrderNo\"<\/span>)\n<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">modifyAddress<\/span><span style=\"line-height: 26px;\">(updateDeliveryRequest\u00a0request)<\/span><\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u67e5\u8be2\u51fa\u539f\u6765\u7684\u5730\u5740\u662f\u4ec0\u4e48<\/span>\n\u00a0\u00a0\u00a0\u00a0LogRecordContext.putVariable(<span style=\"color: #98c379; line-height: 26px;\">\"oldAddress\"<\/span>,\u00a0DeliveryService.queryOldAddress(request.getDeliveryOrderNo()));\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u66f4\u65b0\u6d3e\u9001\u4fe1\u606f\u00a0\u7535\u8bdd\uff0c\u6536\u4ef6\u4eba\u3001\u5730\u5740<\/span>\n\u00a0\u00a0\u00a0\u00a0doUpdate(request);\n}<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u907f\u514d\u70ab\u6280\u5f0f\u5355\u884c\u4ee3\u7801<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4ee3\u7801\u6ca1\u5fc5\u8981\u4e00\u5473\u8ffd\u6c42\u201c\u77ed\u201d\uff0c\u662f\u5426\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u50cf\u70ab\u6280\u5f0f\u7684\u5355\u884c\u4ee3\u7801\u5c31\u975e\u5e38\u96be\u4ee5\u7406\u89e3\u3001\u6392\u67e5\u548c\u4fee\u6539\u8d77\u6765\u90fd\u6bd4\u8f83\u9ebb\u70e6\u4e14\u8017\u65f6\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u53cd\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(response.getData()\u00a0!=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>\u00a0&amp;&amp;\u00a0CollectionUtils.isNotEmpty(response.getData().getShoppingCartDTOList()))\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cartList\u00a0=\u00a0response.getData().getShoppingCartDTOList().stream().map(CartResponseBuilderV2::buildCartList).collect(Collectors.toList());\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6b63\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\">T\u00a0data\u00a0=\u00a0response.getData();\n<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(data\u00a0!=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>\u00a0&amp;&amp;\u00a0CollectionUtils.isNotEmpty(data.getShoppingCartDTOList()))\u00a0{\n\u00a0\u00a0cartList\u00a0=\u00a0StreamUtil.map(data.getShoppingCartDTOList(),\u00a0CartResponseBuilderV2::buildCartList);\n}<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u57fa\u4e8e\u63a5\u53e3\u7f16\u7a0b\u63d0\u9ad8\u6269\u5c55\u6027<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\"><strong style=\"color: #3498db;\">\u57fa\u4e8e\u63a5\u53e3\u800c\u975e\u5b9e\u73b0\u7f16\u7a0b\u662f\u4e00\u79cd\u5e38\u7528\u7684\u7f16\u7a0b\u8303\u5f0f\uff0c\u4e5f\u662f\u4e00\u79cd\u975e\u5e38\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\uff0c\u4e00\u5b9a\u8981\u7262\u8bb0\u4e8e\u5fc3\uff01<\/strong><\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u57fa\u4e8e\u63a5\u53e3\u7f16\u7a0b\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u3001\u66f4\u6613\u6269\u5c55\u548c\u7ef4\u62a4\uff0c\u56e0\u4e3a\u63a5\u53e3\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u5b9e\u73b0\u63d0\u4f9b\u76f8\u540c\u7684\u65b9\u6cd5\u7b7e\u540d\uff08\u65b9\u6cd5\u7684\u540d\u79f0\u3001\u53c2\u6570\u7c7b\u578b\u548c\u987a\u5e8f\u4ee5\u53ca\u8fd4\u56de\u503c\u7c7b\u578b\uff09\u548c\u5951\u7ea6\uff08\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u7684\u884c\u4e3a\u548c\u7ea6\u675f\uff0c\u5373\u65b9\u6cd5\u5e94\u8be5\u5b8c\u6210\u7684\u529f\u80fd\u548c\u8981\u6c42\uff09\uff0c\u8fd9\u4f7f\u5f97\u5b9e\u73b0\u7c7b\u53ef\u4ee5\u76f8\u4e92\u66ff\u6362\uff0c\u800c\u4e0d\u5fc5\u6539\u53d8\u4ee3\u7801\u7684\u5176\u5b83\u90e8\u5206\u3002\u53e6\u5916\uff0c\u57fa\u4e8e\u63a5\u53e3\u7f16\u7a0b\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u907f\u514d\u8fc7\u5ea6\u4f9d\u8d56\u5177\u4f53\u5b9e\u73b0\u7c7b\uff0c\u964d\u4f4e\u4ee3\u7801\u7684\u8026\u5408\u6027\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5c31\u6bd4\u5982\u8bf4\u5728\u7f16\u5199\u77ed\u4fe1\u670d\u52a1\u3001\u90ae\u7bb1\u670d\u52a1\u3001\u5b58\u50a8\u670d\u52a1\u7b49\u5e38\u7528\u7b2c\u4e09\u65b9\u670d\u52a1\u7684\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u5148\u5148\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\uff0c\u63a5\u53e3\u4e2d\u62bd\u8c61\u51fa\u5177\u4f53\u7684\u65b9\u6cd5\uff0c\u7136\u540e\u5b9e\u73b0\u7c7b\u518d\u53bb\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">interface<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">SmsSender<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\">SmsResult\u00a0<span style=\"color: #61aeee; line-height: 26px;\">send<\/span><span style=\"line-height: 26px;\">(String\u00a0phone,\u00a0String\u00a0content)<\/span><\/span>;\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\">SmsResult\u00a0<span style=\"color: #61aeee; line-height: 26px;\">sendWithTemplate<\/span><span style=\"line-height: 26px;\">(String\u00a0phone,\u00a0String\u00a0templateId,\u00a0String[]\u00a0params)<\/span><\/span>;\n}\n\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/*\n\u00a0*\u00a0\u963f\u91cc\u4e91\u77ed\u4fe1\u670d\u52a1\n\u00a0*\/<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">AliyunSmsSender<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">SmsSender<\/span>\u00a0<\/span>{\n\u00a0\u00a0...\n}\n\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/*\n\u00a0*\u00a0\u817e\u8baf\u4e91\u77ed\u4fe1\u670d\u52a1\n\u00a0*\/<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">TencentSmsSender<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">SmsSender<\/span>\u00a0<\/span>{\n\u00a0\u00a0...\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u62ff\u77ed\u4fe1\u670d\u52a1\u8fd9\u4e2a\u4f8b\u5b50\u6765\u8bf4\uff0c\u5982\u679c\u9700\u8981\u65b0\u589e\u4e00\u4e2a\u767e\u5ea6\u4e91\u77ed\u4fe1\u670d\u52a1\uff0c\u76f4\u63a5\u5b9e\u73b0 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">SmsSender<\/code> \u5373\u53ef\u3002\u5982\u679c\u60f3\u8981\u66ff\u6362\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u77ed\u4fe1\u670d\u52a1\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u4fee\u6539\u7684\u4ee3\u7801\u975e\u5e38\u5c11\uff0c\u751a\u81f3\u8bf4\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u4fee\u6539\u914d\u7f6e\u65e0\u9700\u6539\u52a8\u4ee3\u7801\u5c31\u80fd\u8f7b\u677e\u66f4\u6539\u77ed\u4fe1\u670d\u52a1\u3002<\/p>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u64cd\u4f5c\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001\u4e2d\u95f4\u4ef6\u7684\u4ee3\u7801\u5355\u72ec\u62bd\u53d6\u4e00\u4e2a\u7c7b<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5c3d\u91cf\u4e0d\u8981\u5c06\u64cd\u4f5c\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001\u4e2d\u95f4\u4ef6\u7684\u4ee3\u7801\u548c\u4e1a\u52a1\u5904\u7406\u4ee3\u7801\u6df7\u5408\u5728\u4e00\u8d77\uff0c\u800c\u662f\u8981\u5355\u72ec\u62bd\u53d6\u4e00\u4e2a\u7c7b\u6216\u8005\u5c01\u88c5\u4e00\u4e2a\u63a5\u53e3\uff0c\u8fd9\u6837\u4ee3\u7801\u66f4\u6e05\u6670\u6613\u61c2\uff0c\u66f4\u5bb9\u6613\u7ef4\u62a4\uff0c\u4e00\u4e9b\u901a\u7528\u903b\u8f91\u4e5f\u65b9\u4fbf\u7edf\u4e00\u7ef4\u62a4\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6570\u636e\u5e93\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">interface<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">UserRepository<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">extends<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">JpaRepository<\/span>&lt;<span style=\"color: #e6c07b; line-height: 26px;\">User<\/span>,\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Long<\/span>&gt;\u00a0<\/span>{\n\u00a0\u00a0...\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u7f13\u5b58\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@Repository<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">UserRedis<\/span>\u00a0<\/span>{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Autowired<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0RedisTemplate&lt;String,\u00a0String&gt;\u00a0redisTemplate;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0User\u00a0<span style=\"color: #61aeee; line-height: 26px;\">save<\/span><span style=\"line-height: 26px;\">(User\u00a0user)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6d88\u606f\u961f\u5217\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u53d6\u6d88\u8ba2\u5355\u6d88\u606f\u751f\u4ea7\u8005<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CancelOrderProducer<\/span><\/span>{\n\u00a0...\n}\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u53d6\u6d88\u8ba2\u5355\u6d88\u606f\u6d88\u8d39\u8005<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CancelOrderConsumer<\/span><\/span>{\n\u00a0...\n}\n<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u4e0d\u8981\u628a\u4e1a\u52a1\u4ee3\u7801\u653e\u5728 Controller \u4e2d<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8fd9\u4e2a\u662f\u8001\u751f\u5e38\u8c08\u4e86\uff0c\u6700\u57fa\u672c\u7684\u89c4\u8303\u3002\u4e00\u5b9a\u4e0d\u8981\u628a\u4e1a\u52a1\u4ee3\u7801\u5e94\u8be5\u653e\u5728 Controller \u4e2d\uff0c\u4e1a\u52a1\u4ee3\u7801\u5c31\u662f\u8981\u4ea4\u7ed9 Service \u5904\u7406\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\"><strong style=\"color: #3498db;\">\u4e1a\u52a1\u4ee3\u7801\u653e\u5230 Service \u7684\u597d\u5904<\/strong> \uff1a<\/p>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u907f\u514d Controller \u7684\u4ee3\u7801\u8fc7\u4e8e\u81c3\u80bf\uff0c\u8fdb\u800c\u96be\u4ee5\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u62bd\u8c61\u4e1a\u52a1\u5904\u7406\u903b\u8f91\uff0c\u65b9\u4fbf\u590d\u7528\u6bd4\u5982\u7ed9\u7528\u6237\u589e\u52a0\u79ef\u5206\u7684\u64cd\u4f5c\u53ef\u80fd\u4f1a\u6709\u5176\u4ed6\u7684 Service \u7528\u5230\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u907f\u514d\u4e00\u4e9b\u5c0f\u95ee\u9898\u6bd4\u5982 Controller \u5c42\u901a\u8fc7 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">@Value<\/code>\u6ce8\u5165\u503c\u4f1a\u5931\u8d25\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u66f4\u597d\u7684\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u3002\u5982\u679c\u5c06\u4e1a\u52a1\u4ee3\u7801\u653e\u5728 Controller \u4e2d\uff0c\u4f1a\u589e\u52a0\u6d4b\u8bd5\u96be\u5ea6\u548c\u4e0d\u786e\u5b9a\u6027\u3002<\/section>\n<\/li>\n<\/ol>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9519\u8bef\u6848\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@RestController<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">UserController<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Autowired<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0UserRepository\u00a0userRepository;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@GetMapping<\/span>(<span style=\"color: #98c379; line-height: 26px;\">\"\/users\/{id}\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0Result&lt;UserVO&gt;\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getUser<\/span><span style=\"line-height: 26px;\">(@RequestParam(name\u00a0=\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"userId\"<\/span>,\u00a0required\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">true<\/span>)<\/span>\u00a0Long\u00a0userId)\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0User\u00a0user\u00a0=\u00a0repository.findById(id)\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.orElseThrow(()\u00a0-&gt;\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0UserNotFoundException(id));\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UserVO\u00a0userVO\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0UserVO();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0BeanUtils.copyProperties(user,\u00a0userVO);<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u6f14\u793a\u4f7f\u7528<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u53ef\u80fd\u8fd8\u6709\u5176\u4ed6\u4e1a\u52a1\u64cd\u4f5c<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0...\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0Result.success(userVO);\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0...\n}\n<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u9759\u6001\u51fd\u6570\u653e\u5165\u5de5\u5177\u7c7b<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9759\u6001\u51fd\u6570\/\u65b9\u6cd5\u4e0d\u5c5e\u4e8e\u67d0\u4e2a\u7279\u5b9a\u7684\u5bf9\u8c61\uff0c\u800c\u662f\u5c5e\u4e8e\u8fd9\u4e2a\u7c7b\u3002\u8c03\u7528\u9759\u6001\u51fd\u6570\u65e0\u9700\u521b\u5efa\u5bf9\u8c61\uff0c\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u5373\u53ef\u8c03\u7528\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9759\u6001\u51fd\u6570\u6700\u9002\u5408\u653e\u5728\u5de5\u5177\u7c7b\u4e2d\u5b9a\u4e49\uff0c\u6bd4\u5982\u6587\u4ef6\u64cd\u4f5c\u3001\u683c\u5f0f\u8f6c\u6362\u3001\u7f51\u7edc\u8bf7\u6c42\u7b49\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/**\n\u00a0*\u00a0\u6587\u4ef6\u5de5\u5177\u7c7b\n\u00a0*\/<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">FileUtil<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">extends<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">PathUtil<\/span>\u00a0<\/span>{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/**\n\u00a0\u00a0\u00a0\u00a0\u00a0*\u00a0\u6587\u4ef6\u662f\u5426\u4e3a\u7a7a&lt;br&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0*\u00a0\u76ee\u5f55\uff1a\u91cc\u9762\u6ca1\u6709\u6587\u4ef6\u65f6\u4e3a\u7a7a\u00a0\u6587\u4ef6\uff1a\u6587\u4ef6\u5927\u5c0f\u4e3a0\u65f6\u4e3a\u7a7a\n\u00a0\u00a0\u00a0\u00a0\u00a0*\n\u00a0\u00a0\u00a0\u00a0\u00a0*\u00a0<span style=\"color: #c678dd; line-height: 26px;\">@param<\/span>\u00a0file\u00a0\u6587\u4ef6\n\u00a0\u00a0\u00a0\u00a0\u00a0*\u00a0<span style=\"color: #c678dd; line-height: 26px;\">@return<\/span>\u00a0\u662f\u5426\u4e3a\u7a7a\uff0c\u5f53\u63d0\u4f9b\u975e\u76ee\u5f55\u65f6\uff0c\u8fd4\u56defalse\n\u00a0\u00a0\u00a0\u00a0\u00a0*\/<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">boolean<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">isEmpty<\/span><span style=\"line-height: 26px;\">(File\u00a0file)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6587\u4ef6\u4e3a\u7a7a\u6216\u8005\u6587\u4ef6\u4e0d\u5b58\u5728\u76f4\u63a5\u8fd4\u56de\u00a0true<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>\u00a0==\u00a0file\u00a0||\u00a0<span style=\"color: #c678dd; line-height: 26px;\">false<\/span>\u00a0==\u00a0file.exists())\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">true<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(file.isDirectory())\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6587\u4ef6\u662f\u6587\u4ef6\u5939\u7684\u60c5\u51b5<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String[]\u00a0subFiles\u00a0=\u00a0file.list();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0ArrayUtil.isEmpty(subFiles);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">else<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(file.isFile())\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6587\u4ef6\u4e0d\u662f\u6587\u4ef6\u5939\u7684\u60c5\u51b5<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0file.length()\u00a0&lt;=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">false<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u5584\u7528\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5b9e\u9645\u5f00\u53d1\u9879\u76ee\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5e94\u8be5\u5c3d\u91cf\u591a\u5730\u4f7f\u7528\u73b0\u6709\u7684\u8bbe\u8ba1\u6a21\u5f0f\u6765\u4f18\u5316\u4ee3\u7801\u3002\u6709\u00a09 \u79cd\u5728\u6e90\u7801\u4e2d\u975e\u5e38\u5e38\u89c1\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u5de5\u5382\u6a21\u5f0f\uff08Factory Pattern\uff09<\/strong> \uff1a\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u5de5\u5382\u65b9\u6cd5\u6765\u521b\u5efa\u5bf9\u8c61\uff0c\u4ece\u800c\u5c06\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u4f7f\u7528\u89e3\u8026\uff0c\u5b9e\u73b0\u4e86\u201c\u5f00\u95ed\u539f\u5219\u201d\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u5efa\u9020\u8005\u6a21\u5f0f\uff08Builder Pattern\uff09<\/strong> \uff1a\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u548c\u6d41\u5f0f\u63a5\u53e3\u7684\u65b9\u5f0f\uff0c\u521b\u5efa\u4e00\u4e2a\u590d\u6742\u5bf9\u8c61\uff0c\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u8c03\u7528\u5b83\u7684\u6784\u9020\u51fd\u6570\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u5355\u4f8b\u6a21\u5f0f\uff08Singleton Pattern\uff09<\/strong> \uff1a\u786e\u4fdd\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e00\u4e2a\u5168\u5c40\u7684\u8bbf\u95ee\u70b9\uff0c\u6bd4\u5982\u5e38\u89c1\u7684 Spring Bean \u5355\u4f8b\u6a21\u5f0f\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u539f\u578b\u6a21\u5f0f\uff08Prototype Pattern\uff09<\/strong> \uff1a\u901a\u8fc7\u590d\u5236\u73b0\u6709\u7684\u5bf9\u8c61\u6765\u521b\u5efa\u65b0\u7684\u5bf9\u8c61\uff0c\u4ece\u800c\u907f\u514d\u4e86\u5bf9\u8c61\u7684\u521b\u5efa\u6210\u672c\u548c\u590d\u6742\u5ea6\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u9002\u914d\u5668\u6a21\u5f0f\uff08Adapter Pattern\uff09<\/strong> \uff1a\u5c06\u4e00\u4e2a\u7c7b\u7684\u63a5\u53e3\u8f6c\u6362\u6210\u5ba2\u6237\u7aef\u6240\u671f\u671b\u7684\u63a5\u53e3\uff0c\u4ece\u800c\u89e3\u51b3\u4e86\u63a5\u53e3\u4e0d\u517c\u5bb9\u7684\u95ee\u9898\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u6865\u63a5\u6a21\u5f0f\uff08Bridge Pattern\uff09<\/strong> \uff1a\u5c06\u62bd\u8c61\u90e8\u5206\u4e0e\u5b9e\u73b0\u90e8\u5206\u5206\u79bb\u5f00\u6765\uff0c\u4ece\u800c\u4f7f\u5b83\u4eec\u53ef\u4ee5\u72ec\u7acb\u53d8\u5316\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u88c5\u9970\u5668\u6a21\u5f0f\uff08Decorator Pattern\uff09<\/strong> \uff1a\u52a8\u6001\u5730\u7ed9\u4e00\u4e2a\u5bf9\u8c61\u6dfb\u52a0\u4e00\u4e9b\u989d\u5916\u7684\u804c\u8d23\uff0c\u6bd4\u5982 Java \u4e2d\u7684 IO \u6d41\u5904\u7406\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u4ee3\u7406\u6a21\u5f0f\uff08Proxy Pattern\uff09<\/strong> \uff1a\u4e3a\u5176\u4ed6\u5bf9\u8c61\u63d0\u4f9b\u4e00\u79cd\u4ee3\u7406\u4ee5\u63a7\u5236\u5bf9\u8fd9\u4e2a\u5bf9\u8c61\u7684\u8bbf\u95ee\uff0c\u6bd4\u5982\u5e38\u89c1\u7684 Spring AOP \u4ee3\u7406\u6a21\u5f0f\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u89c2\u5bdf\u8005\u6a21\u5f0f\uff08Observer Pattern\uff09<\/strong> \uff1a\u5b9a\u4e49\u4e86\u5bf9\u8c61\u4e4b\u95f4\u4e00\u79cd\u4e00\u5bf9\u591a\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4ece\u800c\u5f53\u4e00\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u6240\u6709\u4f9d\u8d56\u4e8e\u5b83\u7684\u5bf9\u8c61\u90fd\u4f1a\u5f97\u5230\u901a\u77e5\u5e76\u81ea\u52a8\u66f4\u65b0\u3002<\/section>\n<\/li>\n<\/ol>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u7b56\u7565\u6a21\u5f0f\u66ff\u6362\u6761\u4ef6\u903b\u8f91<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u7b56\u7565\u6a21\u5f0f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4f18\u5316\u6761\u4ef6\u903b\u8f91\u7684\u65b9\u6cd5\u3002\u5f53\u4ee3\u7801\u4e2d\u6709\u4e00\u4e2a\u5305\u542b\u5927\u91cf\u6761\u4ef6\u903b\u8f91\uff08\u5373 if \u8bed\u53e5\uff09\u7684\u65b9\u6cd5\u65f6\uff0c\u4f60\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u7b56\u7565\u6a21\u5f0f\u5bf9\u5176\u8fdb\u884c\u4f18\u5316\uff0c\u8fd9\u6837\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\uff0c\u540c\u65f6\u4e5f\u66f4\u5bb9\u6613\u7ef4\u62a4\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5047\u8bbe\u6709\u8fd9\u6837\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">IfElseDemo<\/span>\u00a0<\/span>{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculateInsurance<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(income\u00a0&lt;=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">10000<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0income*<span style=\"color: #d19a66; line-height: 26px;\">0.365<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">else<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(income\u00a0&lt;=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">30000<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income-<span style=\"color: #d19a66; line-height: 26px;\">10000<\/span>)*<span style=\"color: #d19a66; line-height: 26px;\">0.2<\/span>+<span style=\"color: #d19a66; line-height: 26px;\">35600<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">else<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(income\u00a0&lt;=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">60000<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income-<span style=\"color: #d19a66; line-height: 26px;\">30000<\/span>)*<span style=\"color: #d19a66; line-height: 26px;\">0.1<\/span>+<span style=\"color: #d19a66; line-height: 26px;\">76500<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">else<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income-<span style=\"color: #d19a66; line-height: 26px;\">60000<\/span>)*<span style=\"color: #d19a66; line-height: 26px;\">0.02<\/span>+<span style=\"color: #d19a66; line-height: 26px;\">105600<\/span>;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e0b\u9762\u662f\u4f7f\u7528\u7b56\u7565+\u5de5\u5382\u6a21\u5f0f\u91cd\u6784\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">InsuranceCalculator<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u65b9\u6cd5 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">calculate(double income)<\/code>\uff0c\u7528\u4e8e\u8ba1\u7b97\u4fdd\u9669\u8d39\u7528\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">interface<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculator<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculate<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span><\/span>;\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u7136\u540e\uff0c\u5206\u522b\u521b\u5efa\u56db\u4e2a\u7c7b\u6765\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\uff0c\u6bcf\u4e2a\u7c7b\u4ee3\u8868\u4e00\u4e2a\u4fdd\u9669\u8d39\u7528\u8ba1\u7b97\u65b9\u5f0f\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">FirstLevelCalculator<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculator<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculate<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0income\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.365<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n}\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">SecondLevelCalculator<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculator<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculate<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">10000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.2<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">35600<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n}\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">ThirdLevelCalculator<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculator<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculate<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">30000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.1<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">76500<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n}\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">FourthLevelCalculator<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculator<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculate<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">60000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.02<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">105600<\/span>;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6700\u540e\uff0c\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7b56\u7565\u7c7b\u6dfb\u52a0\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u7c7b\u578b\u7684 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">name<\/code> \u5c5e\u6027\u3002\u7136\u540e\uff0c\u5728\u5de5\u5382\u7c7b\u4e2d\u521b\u5efa\u4e00\u4e2a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Map<\/code> \u6765\u5b58\u50a8\u7b56\u7565\u5bf9\u8c61\u548c\u5b83\u4eec\u7684\u6807\u8bc6\u7b26\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff08\u4e5f\u53ef\u4ee5\u7528 switch \u6765\u7ef4\u62a4\u6620\u5c04\u5173\u7cfb\uff09\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">import<\/span>\u00a0java.util.HashMap;\n<span style=\"color: #c678dd; line-height: 26px;\">import<\/span>\u00a0java.util.Map;\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculatorFactory<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0Map&lt;String,\u00a0InsuranceCalculator&gt;\u00a0CALCULATOR_MAP\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0HashMap&lt;&gt;();\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"first\"<\/span>,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0FirstLevelCalculator());\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"second\"<\/span>,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0SecondLevelCalculator());\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"third\"<\/span>,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0ThirdLevelCalculator());\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"fourth\"<\/span>,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0FourthLevelCalculator());\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0InsuranceCalculator\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getCalculator<\/span><span style=\"line-height: 26px;\">(String\u00a0name)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0CALCULATOR_MAP.get(name);\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">InsuranceCalculatorFactory<\/code> \u7c7b\u624b\u52a8\u83b7\u53d6\u76f8\u5e94\u7684\u7b56\u7565\u5bf9\u8c61\u4e86\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income\u00a0=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">40000<\/span>;\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u83b7\u53d6\u7b2c\u4e8c\u7ea7\u4fdd\u9669\u8d39\u7528\u8ba1\u7b97\u5668<\/span>\nInsuranceCalculator\u00a0calculator\u00a0=\u00a0InsuranceCalculatorFactory.getCalculator(<span style=\"color: #98c379; line-height: 26px;\">\"second\"<\/span>);\n<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0insurance\u00a0=\u00a0calculator.calculate(income);\nSystem.out.println(<span style=\"color: #98c379; line-height: 26px;\">\"\u4fdd\u9669\u8d39\u7528\u4e3a\uff1a\"<\/span>\u00a0+\u00a0insurance);\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u7b56\u7565\uff0c\u800c\u65e0\u9700\u5728\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u6761\u4ef6\u8bed\u53e5\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u76f8\u5173\u9605\u8bfb\uff1a<span style=\"font-weight: bold; color: #2c3e50;\">Replace Conditional Logic with Strategy Pattern - IDEA<\/span><sup style=\"line-height: 0; font-weight: bold; color: #2c3e50;\">[3]<\/sup> \u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9664\u4e86\u7b56\u7565\u6a21\u5f0f\u4e4b\u5916\uff0cMap+\u51fd\u6570\u5f0f\u63a5\u53e3\u4e5f\u80fd\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\uff0c\u4ee3\u7801\u4e00\u822c\u8fd8\u8981\u66f4\u7b80\u6d01\u4e00\u4e9b\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e0b\u9762\u662f\u4f7f\u7528 Map+\u51fd\u6570\u5f0f\u63a5\u53e3\u91cd\u6784\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9996\u5148\uff0c\u5728 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">InsuranceCalculatorFactory<\/code> \u7c7b\u4e2d\uff0c\u5c06 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">getCalculator<\/code> \u65b9\u6cd5\u7684\u8fd4\u56de\u7c7b\u578b\u4ece <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">InsuranceCalculator<\/code> \u6539\u4e3a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Function&lt;Double, Double&gt;<\/code>\uff0c\u8868\u793a\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5c06 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">double<\/code> \u7c7b\u578b\u7684 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">income<\/code> \u6620\u5c04\u5230 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">double<\/code> \u7c7b\u578b\u7684 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">insurance<\/code> \u7684\u51fd\u6570\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">InsuranceCalculatorFactory<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0Map&lt;String,\u00a0Function&lt;Double,\u00a0Double&gt;&gt;\u00a0CALCULATOR_MAP\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0HashMap&lt;&gt;();\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"first\"<\/span>,\u00a0income\u00a0-&gt;\u00a0income\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.365<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"second\"<\/span>,\u00a0income\u00a0-&gt;\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">10000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.2<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">35600<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"third\"<\/span>,\u00a0income\u00a0-&gt;\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">30000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.1<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">76500<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CALCULATOR_MAP.put(<span style=\"color: #98c379; line-height: 26px;\">\"fourth\"<\/span>,\u00a0income\u00a0-&gt;\u00a0(income\u00a0-\u00a0<span style=\"color: #d19a66; line-height: 26px;\">60000<\/span>)\u00a0*\u00a0<span style=\"color: #d19a66; line-height: 26px;\">0.02<\/span>\u00a0+\u00a0<span style=\"color: #d19a66; line-height: 26px;\">105600<\/span>);\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0Function&lt;Double,\u00a0Double&gt;\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getCalculator<\/span><span style=\"line-height: 26px;\">(String\u00a0name)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0CALCULATOR_MAP.get(name);\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u7136\u540e\uff0c\u5728\u8c03\u7528\u5de5\u5382\u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u6216\u65b9\u6cd5\u5f15\u7528\u6765\u4ee3\u66ff\u5b9e\u73b0\u7b56\u7565\u63a5\u53e3\u7684\u7c7b\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0income\u00a0=\u00a0<span style=\"color: #d19a66; line-height: 26px;\">40000<\/span>;\nFunction&lt;Double,\u00a0Double&gt;\u00a0calculator\u00a0=\u00a0InsuranceCalculatorFactory.getCalculator(<span style=\"color: #98c379; line-height: 26px;\">\"second\"<\/span>);\n<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0insurance\u00a0=\u00a0calculator.apply(income);\nSystem.out.println(<span style=\"color: #98c379; line-height: 26px;\">\"\u4fdd\u9669\u8d39\u7528\u4e3a\uff1a\"<\/span>\u00a0+\u00a0insurance);\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u590d\u6742\u5bf9\u8c61\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u590d\u6742\u5bf9\u8c61\u7684\u521b\u5efa\u53ef\u4ee5\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u4f18\u5316\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4f7f\u7528 Caffeine \u521b\u5efa\u672c\u5730\u7f13\u5b58\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\">Caffeine.newBuilder()\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u8bbe\u7f6e\u6700\u540e\u4e00\u6b21\u5199\u5165\u6216\u8bbf\u95ee\u540e\u7ecf\u8fc7\u56fa\u5b9a\u65f6\u95f4\u8fc7\u671f<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.expireAfterWrite(<span style=\"color: #d19a66; line-height: 26px;\">60<\/span>,\u00a0TimeUnit.DAYS)\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u521d\u59cb\u7684\u7f13\u5b58\u7a7a\u95f4\u5927\u5c0f<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.initialCapacity(<span style=\"color: #d19a66; line-height: 26px;\">100<\/span>)\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u7f13\u5b58\u7684\u6700\u5927\u6761\u6570<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.maximumSize(<span style=\"color: #d19a66; line-height: 26px;\">500<\/span>)\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.build();\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u94fe\u5f0f\u5904\u7406\u4f18\u5148\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8d23\u4efb\u94fe\u6a21\u5f0f\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u8fd8\u662f\u633a\u5b9e\u7528\u7684\uff0c\u50cf MyBatis\u3001Netty\u3001OKHttp3\u3001SpringMVC\u3001Sentinel \u7b49\u77e5\u540d\u6846\u67b6\u90fd\u5927\u91cf\u4f7f\u7528\u4e86\u8d23\u4efb\u94fe\u6a21\u5f0f\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5982\u679c\u4e00\u4e2a\u8bf7\u6c42\u9700\u8981\u8fdb\u8fc7\u591a\u4e2a\u6b65\u9aa4\u5904\u7406\u7684\u8bdd\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8d23\u4efb\u94fe\u6a21\u5f0f\u4e0b\uff0c\u5b58\u5728\u591a\u4e2a\u5904\u7406\u8005\uff0c\u8fd9\u4e9b\u5904\u7406\u8005\u4e4b\u95f4\u6709\u987a\u5e8f\u5173\u7cfb\uff0c\u4e00\u4e2a\u8bf7\u6c42\u88ab\u4f9d\u6b21\u4f20\u9012\u7ed9\u6bcf\u4e2a\u5904\u7406\u8005\uff08\u5bf9\u5e94\u7684\u662f\u4e00\u4e2a\u5bf9\u8c61\uff09\u8fdb\u884c\u5904\u7406\u3002\u5904\u7406\u8005\u53ef\u4ee5\u9009\u62e9\u81ea\u5df1\u611f\u5174\u8da3\u7684\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u5bf9\u4e8e\u4e0d\u611f\u5174\u8da3\u7684\u8bf7\u6c42\uff0c\u8f6c\u53d1\u7ed9\u4e0b\u4e00\u4e2a\u5904\u7406\u8005\u5373\u53ef\u3002\u5982\u679c\u6ee1\u8db3\u4e86\u67d0\u4e2a\u6761\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u5728\u67d0\u4e2a\u5904\u7406\u8005\u5904\u7406\u5b8c\u4e4b\u540e\u76f4\u63a5\u505c\u4e0b\u6765\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8d23\u4efb\u94fe\u6a21\u5f0f\u4e0b\uff0c\u5982\u679c\u9700\u8981\u589e\u52a0\u65b0\u7684\u5904\u7406\u8005\u975e\u5e38\u5bb9\u6613\uff0c\u7b26\u5408\u5f00\u95ed\u539f\u5219\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Netty \u4e2d\u7684 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ChannelPipeline<\/code> \u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u3002\u6211\u4eec\u53ef\u4ee5\u5728 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ChannelPipeline<\/code> \u4e0a\u901a\u8fc7 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">addLast()<\/code> \u65b9\u6cd5\u6dfb\u52a0\u4e00\u4e2a\u6216\u8005\u591a\u4e2a<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ChannelHandler<\/code> \uff08\u4e00\u4e2a\u6570\u636e\u6216\u8005\u4e8b\u4ef6\u53ef\u80fd\u4f1a\u88ab\u591a\u4e2a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Handler<\/code> \u5904\u7406\uff09 \u3002\u5f53\u4e00\u4e2a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ChannelHandler<\/code> \u5904\u7406\u5b8c\u4e4b\u540e\u5c31\u5c06\u6570\u636e\u4ea4\u7ed9\u4e0b\u4e00\u4e2a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ChannelHandler<\/code> \u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\">ChannelPipeline\u00a0pipeline\u00a0=\u00a0ch.pipeline()\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6dfb\u52a0\u4e00\u4e2a\u7528\u4e8e\u5bf9\u00a0HTTP\u00a0\u8bf7\u6c42\u548c\u54cd\u5e94\u62a5\u6587\u8fdb\u884c\u7f16\u89e3\u7801\u7684\u00a0ChannelHandler<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.addLast(HTTP_CLIENT_CODEC,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0HttpClientCodec())\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6dfb\u52a0\u4e00\u4e2a\u5bf9\u00a0gzip\u00a0\u6216\u8005\u00a0deflate\u00a0\u683c\u5f0f\u7684\u7f16\u7801\u8fdb\u884c\u89e3\u7801\u7684\u00a0ChannelHandler<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.addLast(INFLATER_HANDLER,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0HttpContentDecompressor())\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6dfb\u52a0\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u5206\u5757\u4f20\u8f93\u7f16\u7801\u7684\u00a0ChannelHandler<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.addLast(CHUNKED_WRITER_HANDLER,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0ChunkedWriteHandler())\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6dfb\u52a0\u4e00\u4e2a\u5904\u7406\u00a0HTTP\u00a0\u8bf7\u6c42\u5e76\u54cd\u5e94\u7684\u00a0ChannelHandler<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.addLast(AHC_HTTP_HANDLER,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0HttpHandler);\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Tomcat \u4e2d\u7684\u8bf7\u6c42\u5904\u7406\u662f\u901a\u8fc7\u4e00\u7cfb\u5217\u8fc7\u6ee4\u5668\uff08Filter\uff09\u6765\u5b8c\u6210\u7684\uff0c\u8fd9\u540c\u6837\u662f\u8d23\u4efb\u8fde\u6a21\u5f0f\u7684\u8fd0\u7528\u3002\u6bcf\u4e2a\u8fc7\u6ee4\u5668\u90fd\u53ef\u4ee5\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u5e76\u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u8fc7\u6ee4\u5668\uff0c\u76f4\u5230\u6700\u540e\u4e00\u4e2a\u8fc7\u6ee4\u5668\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u76f8\u5e94\u7684 Servlet \u6216 JSP \u9875\u9762\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CompressionFilter<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Filter<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0...<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">doFilter<\/span><span style=\"line-height: 26px;\">(ServletRequest\u00a0request,\u00a0ServletResponse\u00a0response,\u00a0FilterChain\u00a0chain)<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throws<\/span>\u00a0IOException,\u00a0ServletException\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u68c0\u67e5\u662f\u5426\u652f\u6301\u538b\u7f29<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(isCompressable(request,\u00a0response))\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u54cd\u5e94\u5bf9\u8c61\uff0c\u7528\u4e8e\u5728\u538b\u7f29\u6570\u636e\u65f6\u83b7\u53d6\u5e95\u5c42\u8f93\u51fa\u6d41<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CompressionServletResponseWrapper\u00a0wrappedResponse\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0CompressionServletResponseWrapper(\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(HttpServletResponse)\u00a0response);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u4e0b\u4e00\u4e2a\u8fc7\u6ee4\u5668\u6216\u76ee\u6807\u00a0Servlet\/JSP\u00a0\u9875\u9762<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0chain.doFilter(request,\u00a0wrappedResponse);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u538b\u7f29\u6570\u636e\u5e76\u5199\u5165\u539f\u59cb\u54cd\u5e94\u5bf9\u8c61\u7684\u8f93\u51fa\u6d41<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0wrappedResponse.finishResponse();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IOException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0log.warn(sm.getString(<span style=\"color: #98c379; line-height: 26px;\">\"compressionFilter.compressFailed\"<\/span>),\u00a0e);\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/$NON-NLS-1$<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0handleIOException(e,\u00a0wrappedResponse);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">else<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u4e0d\u652f\u6301\u538b\u7f29\uff0c\u76f4\u63a5\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u4e0b\u4e00\u4e2a\u8fc7\u6ee4\u5668\u6216\u76ee\u6807\u00a0Servlet\/JSP\u00a0\u9875\u9762<\/span>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0chain.doFilter(request,\u00a0response);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0...<\/span>\n}<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u4f7f\u7528\u89c2\u5bdf\u8005\u6a21\u5f0f\u89e3\u8026<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u89c2\u5bdf\u8005\u6a21\u5f0f\u4e5f\u662f\u89e3\u8026\u7684\u5229\u5668\u3002\u5f53\u5bf9\u8c61\u4e4b\u95f4\u5b58\u5728\u4e00\u5bf9\u591a\u5173\u7cfb\uff0c\u53ef\u4ee5\u4f7f\u7528\u89c2\u5bdf\u8005\u6a21\u5f0f\uff0c\u8ba9\u591a\u4e2a\u89c2\u5bdf\u8005\u5bf9\u8c61\u540c\u65f6\u76d1\u542c\u67d0\u4e00\u4e2a\u4e3b\u9898\u5bf9\u8c61\u3002\u5f53\u4e3b\u9898\u5bf9\u8c61\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4f1a\u901a\u77e5\u6240\u6709\u89c2\u5bdf\u8005\uff0c\u89c2\u5bdf\u8005\u6536\u5230\u901a\u77e5\u4e4b\u540e\u53ef\u4ee5\u6839\u636e\u901a\u77e5\u7684\u5185\u5bb9\u53bb\u9488\u5bf9\u6027\u5730\u505a\u4e00\u4e9b\u4e8b\u60c5\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Spring \u4e8b\u4ef6\u5c31\u662f\u57fa\u4e8e\u89c2\u5bdf\u8005\u6a21\u5f0f\u5b9e\u73b0\u7684\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">1\u3001\u5b9a\u4e49\u4e00\u4e2a\u4e8b\u4ef6\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CustomSpringEvent<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">extends<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">ApplicationEvent<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0message;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">CustomSpringEvent<\/span><span style=\"line-height: 26px;\">(Object\u00a0source,\u00a0String\u00a0message)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">super<\/span>(source);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>.message\u00a0=\u00a0message;\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0String\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getMessage<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0message;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">2\u3001\u521b\u5efa\u4e8b\u4ef6\u53d1\u5e03\u8005\u53d1\u5e03\u4e8b\u4ef6\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@Component<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CustomSpringEventPublisher<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Autowired<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0ApplicationEventPublisher\u00a0applicationEventPublisher;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">publishCustomEvent<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0String\u00a0message)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379; line-height: 26px;\">\"Publishing\u00a0custom\u00a0event.\u00a0\"<\/span>);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CustomSpringEvent\u00a0customSpringEvent\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0CustomSpringEvent(<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>,\u00a0message);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0applicationEventPublisher.publishEvent(customSpringEvent);\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">3\u3001\u521b\u5efa\u76d1\u542c\u5668\u76d1\u542c\u5e76\u5904\u7406\u4e8b\u4ef6\uff08\u652f\u6301\u5f02\u6b65\u5904\u7406\u4e8b\u4ef6\u7684\u65b9\u5f0f\uff0c\u9700\u8981\u914d\u7f6e\u7ebf\u7a0b\u6c60\uff09\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@Component<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CustomSpringEventListener<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">ApplicationListener<\/span>&lt;<span style=\"color: #e6c07b; line-height: 26px;\">CustomSpringEvent<\/span>&gt;\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">onApplicationEvent<\/span><span style=\"line-height: 26px;\">(CustomSpringEvent\u00a0event)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span style=\"color: #98c379; line-height: 26px;\">\"Received\u00a0spring\u00a0custom\u00a0event\u00a0-\u00a0\"<\/span>\u00a0+\u00a0event.getMessage());\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u62bd\u8c61\u7236\u7c7b\u5229\u7528\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5b9a\u4e49\u6d41\u7a0b<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u591a\u4e2a\u5e76\u884c\u7684\u7c7b\u5b9e\u73b0\u76f8\u4f3c\u7684\u4ee3\u7801\u903b\u8f91\u3002\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u63d0\u53d6\u76f8\u540c\u903b\u8f91\u5728\u7236\u7c7b\u4e2d\u5b9e\u73b0\uff0c\u5dee\u5f02\u903b\u8f91\u901a\u8fc7\u62bd\u8c61\u65b9\u6cd5\u7559\u7ed9\u5b50\u7c7b\u5b9e\u73b0\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5bf9\u4e8e\u76f8\u540c\u7684\u6d41\u7a0b\u548c\u903b\u8f91\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u501f\u9274\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5c06\u5176\u56fa\u5b9a\u6210\u6a21\u677f\uff0c\u4fdd\u7559\u5dee\u5f02\u7684\u540c\u65f6\u5c3d\u53ef\u80fd\u907f\u514d\u4ee3\u7801\u91cd\u590d\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e0b\u9762\u662f\u4e00\u4e2a\u5229\u7528\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5b9a\u4e49\u6d41\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">abstract<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">AbstractDataImporter<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0String\u00a0filePath;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">AbstractDataImporter<\/span><span style=\"line-height: 26px;\">(String\u00a0filePath)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>.filePath\u00a0=\u00a0filePath;\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">importData<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throws<\/span>\u00a0IOException\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;String&gt;\u00a0data\u00a0=\u00a0readDataFromFile();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0validateData(data);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0saveDataToDatabase(data);\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">abstract<\/span>\u00a0List&lt;String&gt;\u00a0<span style=\"color: #61aeee; line-height: 26px;\">readDataFromFile<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throws<\/span>\u00a0IOException<\/span>;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">validateData<\/span><span style=\"line-height: 26px;\">(List&lt;String&gt;\u00a0data)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u82e5\u5b50\u7c7b\u6ca1\u6709\u5b9e\u73b0\u8be5\u65b9\u6cd5\uff0c\u5219\u4e0d\u8fdb\u884c\u6570\u636e\u6821\u9a8c<\/span>\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">abstract<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">saveDataToDatabase<\/span><span style=\"line-height: 26px;\">(List&lt;String&gt;\u00a0data)<\/span><\/span>;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0String\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getFilePath<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0filePath;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">AbstractDataImporter<\/code> \u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002\u8be5\u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">importData()<\/code> \u65b9\u6cd5\uff0c\u5b83\u5b9a\u4e49\u4e86\u5bfc\u5165\u6570\u636e\u7684\u6574\u4e2a\u6d41\u7a0b\u3002\u5177\u4f53\u800c\u8a00\uff0c\u8be5\u65b9\u6cd5\u9996\u5148\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u539f\u59cb\u6570\u636e\uff0c\u7136\u540e\u5bf9\u6570\u636e\u8fdb\u884c\u6821\u9a8c\uff0c\u6700\u540e\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5176\u4e2d\uff0c<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">readDataFromFile()<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">saveDataToDatabase()<\/code> \u65b9\u6cd5\u662f\u62bd\u8c61\u7684\uff0c\u7531\u5b50\u7c7b\u6765\u5b9e\u73b0\u3002<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">validateData()<\/code> \u65b9\u6cd5\u662f\u4e00\u4e2a\u9ed8\u8ba4\u5b9e\u73b0\uff0c\u53ef\u4ee5\u901a\u8fc7\u8986\u76d6\u6765\u5b9a\u5236\u6821\u9a8c\u903b\u8f91\u3002<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">getFilePath()<\/code> \u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u5f85\u5bfc\u5165\u6570\u636e\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5b50\u7c7b\u7ee7\u627f <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">AbstractDataImporter<\/code> \u540e\uff0c\u9700\u8981\u5b9e\u73b0 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">readDataFromFile()<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">saveDataToDatabase()<\/code> \u65b9\u6cd5\uff0c\u5e76\u8986\u76d6 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">validateData()<\/code> \u65b9\u6cd5\uff08\u53ef\u9009\uff09\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u5b50\u7c7b <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">CsvDataImporter<\/code> \u7684\u5b9e\u73b0\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">CsvDataImporter<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">extends<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">AbstractDataImporter<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">char<\/span>\u00a0delimiter;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">CsvDataImporter<\/span><span style=\"line-height: 26px;\">(String\u00a0filePath,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">char<\/span>\u00a0delimiter)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">super<\/span>(filePath);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>.delimiter\u00a0=\u00a0delimiter;\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0List&lt;String&gt;\u00a0<span style=\"color: #61aeee; line-height: 26px;\">readDataFromFile<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throws<\/span>\u00a0IOException\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0List&lt;String&gt;\u00a0data\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0ArrayList&lt;&gt;();\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0(BufferedReader\u00a0reader\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0BufferedReader(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0FileReader(getFilePath())))\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String\u00a0line;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">while<\/span>\u00a0((line\u00a0=\u00a0reader.readLine())\u00a0!=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0data.add(line);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0data;\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">validateData<\/span><span style=\"line-height: 26px;\">(List&lt;String&gt;\u00a0data)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u5bf9\u00a0CSV\u00a0\u683c\u5f0f\u7684\u6570\u636e\u8fdb\u884c\u6821\u9a8c\uff0c\u4f8b\u5982\u68c0\u67e5\u662f\u5426\u6bcf\u884c\u90fd\u6709\u76f8\u540c\u6570\u91cf\u7684\u5b57\u6bb5\u7b49<\/span>\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">protected<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">void<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">saveDataToDatabase<\/span><span style=\"line-height: 26px;\">(List&lt;String&gt;\u00a0data)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u5c06\u00a0CSV\u00a0\u683c\u5f0f\u7684\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u4f8b\u5982\u5c06\u6bcf\u884c\u89e3\u6790\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528\u00a0JPA\u00a0\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d<\/span>\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">CsvDataImporter<\/code> \u7ee7\u627f\u4e86 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">AbstractDataImporter<\/code> \u7c7b\uff0c\u5e76\u5b9e\u73b0\u4e86 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">readDataFromFile()<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">saveDataToDatabase()<\/code> \u65b9\u6cd5\u3002\u5b83\u8fd8\u8986\u76d6\u4e86 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">validateData()<\/code> \u65b9\u6cd5\uff0c\u4ee5\u652f\u6301\u5bf9 CSV \u683c\u5f0f\u7684\u6570\u636e\u8fdb\u884c\u6821\u9a8c\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u901a\u8fc7\u4ee5\u4e0a\u5b9e\u73b0\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u62bd\u8c61\u7236\u7c7b\u5e76\u5b9e\u73b0\u5176\u4e2d\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u6765\u5b9a\u4e49\u81ea\u5df1\u7684\u6570\u636e\u5bfc\u5165\u6d41\u7a0b\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u62bd\u8c61\u7236\u7c7b\u5df2\u7ecf\u5b9a\u4e49\u4e86\u6574\u4e2a\u6d41\u7a0b\u7684\u7ed3\u6784\u548c\u5927\u90e8\u5206\u9ed8\u8ba4\u5b9e\u73b0\uff0c\u56e0\u6b64\u5b50\u7c7b\u53ea\u9700\u8981\u5173\u6ce8\u5b9a\u5236\u5316\u7684\u903b\u8f91\u5373\u53ef\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u5584\u7528 Java \u65b0\u7279\u6027<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Java \u7248\u672c\u5728\u66f4\u65b0\u8fed\u4ee3\u8fc7\u7a0b\u4e2d\u4f1a\u589e\u52a0\u5f88\u591a\u597d\u7528\u7684\u7279\u6027\uff0c\u4e00\u5b9a\u8981\u5584\u4e8e\u4f7f\u7528 Java \u65b0\u7279\u6027\u6765\u4f18\u5316\u81ea\u5df1\u7684\u4ee3\u7801\uff0c\u589e\u52a0\u4ee3\u7801\u7684\u53ef\u9605\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5c31\u6bd4\u5982\u706b\u4e86\u8fd9\u4e48\u591a\u5e74\u7684 Java 8 \u5728\u589e\u5f3a\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u7b80\u5316\u4ee3\u7801\u65b9\u9762\uff0c\u76f8\u6bd4 Java 7 \u589e\u52a0\u4e86\u5f88\u591a\u529f\u80fd\uff0c\u6bd4\u5982 Lambda\u3001Stream \u6d41\u64cd\u4f5c\u3001\u5e76\u884c\u6d41\uff08ParallelStream\uff09\u3001Optional \u53ef\u7a7a\u7c7b\u578b\u3001\u65b0\u65e5\u671f\u65f6\u95f4\u7c7b\u578b\u7b49\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Lambda \u4f18\u5316\u6392\u5e8f\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u533f\u540d\u5185\u90e8\u7c7b\u5b9e\u73b0\u6570\u7ec4\u4ece\u5c0f\u5230\u5927\u6392\u5e8f<\/span>\nInteger[]\u00a0scores\u00a0=\u00a0{<span style=\"color: #d19a66; line-height: 26px;\">89<\/span>,\u00a0<span style=\"color: #d19a66; line-height: 26px;\">100<\/span>,\u00a0<span style=\"color: #d19a66; line-height: 26px;\">77<\/span>,\u00a0<span style=\"color: #d19a66; line-height: 26px;\">90<\/span>,\u00a0\u00a0<span style=\"color: #d19a66; line-height: 26px;\">86<\/span>};\nArrays.sort(scores,<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0Comparator&lt;Integer&gt;(){\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Override<\/span>\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">int<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">compare<\/span><span style=\"line-height: 26px;\">(Integer\u00a0o1,\u00a0Integer\u00a0o2)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0o1.compareTo(o2);\n\u00a0\u00a0\u00a0\u00a0}\n});\n<span style=\"color: #c678dd; line-height: 26px;\">for<\/span>(Integer\u00a0score:scores){\n\u00a0\u00a0\u00a0\u00a0System.out.print(score);\n}\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u4f7f\u7528\u00a0Lambda\u00a0\u4f18\u5316<\/span>\nArrays.sort(scores,(o1,o2)-&gt;o1.compareTo(o2)\u00a0);\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u8fd8\u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\u5199<\/span>\nArrays.sort(scores,Comparator.comparing(Integer::intValue));\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Optional \u4f18\u5316\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0Double\u00a0<span style=\"color: #61aeee; line-height: 26px;\">calculateAverageGrade<\/span><span style=\"line-height: 26px;\">(Map&lt;String,\u00a0List&lt;Integer&gt;&gt;\u00a0gradesList,\u00a0String\u00a0studentName)<\/span>\n\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throws<\/span>\u00a0Exception\u00a0<\/span>{\n\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0Optional.ofNullable(gradesList.get(studentName))<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u521b\u5efa\u4e00\u4e2aOptional\u5bf9\u8c61\uff0c\u4f20\u5165\u53c2\u6570\u4e3a\u7a7a\u65f6\u8fd4\u56deOptional.empty()<\/span>\n\u00a0\u00a0\u00a0.map(list\u00a0-&gt;\u00a0list.stream().collect(Collectors.averagingDouble(x\u00a0-&gt;\u00a0x)))<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u5bf9\u00a0Optional\u00a0\u7684\u503c\u8fdb\u884c\u64cd\u4f5c<\/span>\n\u00a0\u00a0\u00a0.orElseThrow(()\u00a0-&gt;\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0NotFoundException(<span style=\"color: #98c379; line-height: 26px;\">\"Student\u00a0not\u00a0found\u00a0-\u00a0\"<\/span>\u00a0+\u00a0studentName));<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u5f53\u503c\u4e3a\u7a7a\u65f6\uff0c\u629b\u51fa\u6307\u5b9a\u7684\u5f02\u5e38<\/span>\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u518d\u6bd4\u5982 Java 17 \u4e2d\u8f6c\u6b63\u7684\u5bc6\u5c01\u7c7b\uff08Sealed Classes\uff09 \uff0cJava 16 \u4e2d\u8f6c\u6b63\u7684\u8bb0\u5f55\u7c7b\u578b\uff08<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">record<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\uff09\u3001instanceof \u6a21\u5f0f\u5339\u914d\u7b49\u65b0\u7279\u6027\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\"><code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">record<\/code>\u5173\u952e\u5b57\u4f18\u5316\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/**\n\u00a0*\u00a0\u8fd9\u4e2a\u7c7b\u5177\u6709\u4e24\u4e2a\u7279\u5f81\n\u00a0*\u00a01.\u00a0\u6240\u6709\u6210\u5458\u5c5e\u6027\u90fd\u662ffinal\n\u00a0*\u00a02.\u00a0\u5168\u90e8\u65b9\u6cd5\u7531\u6784\u9020\u65b9\u6cd5\uff0c\u548c\u4e24\u4e2a\u6210\u5458\u5c5e\u6027\u8bbf\u95ee\u5668\u7ec4\u6210\uff08\u5171\u4e09\u4e2a\uff09\n\u00a0*\u00a0\u90a3\u4e48\u8fd9\u79cd\u7c7b\u5c31\u5f88\u9002\u5408\u4f7f\u7528record\u6765\u58f0\u660e\n\u00a0*\/<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Rectangle<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">implements<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Shape<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0length;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">final<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0width;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">Rectangle<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0length,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0width)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>.length\u00a0=\u00a0length;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">this<\/span>.width\u00a0=\u00a0width;\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">length<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<\/span>{\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0length;\u00a0}\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">double<\/span>\u00a0<span style=\"color: #61aeee; line-height: 26px;\">width<\/span><span style=\"line-height: 26px;\">()<\/span>\u00a0<\/span>{\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0width;\u00a0}\n}\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/**\n\u00a0*\u00a01.\u00a0\u4f7f\u7528record\u58f0\u660e\u7684\u7c7b\u4f1a\u81ea\u52a8\u62e5\u6709\u4e0a\u9762\u7c7b\u4e2d\u7684\u4e09\u4e2a\u65b9\u6cd5\n\u00a0*\u00a02.\u00a0\u5728\u8fd9\u57fa\u7840\u4e0a\u8fd8\u9644\u8d60\u4e86equals()\uff0chashCode()\u65b9\u6cd5\u4ee5\u53catoString()\u65b9\u6cd5\n\u00a0*\u00a03.\u00a0toString\u65b9\u6cd5\u4e2d\u5305\u62ec\u6240\u6709\u6210\u5458\u5c5e\u6027\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u53ca\u5176\u540d\u79f0\n\u00a0*\/<\/span>\n<span style=\"line-height: 26px;\">record\u00a0<span style=\"color: #61aeee; line-height: 26px;\">Rectangle<\/span><span style=\"line-height: 26px;\">(<span style=\"color: #c678dd; line-height: 26px;\">float<\/span>\u00a0length,\u00a0<span style=\"color: #c678dd; line-height: 26px;\">float<\/span>\u00a0width)<\/span>\u00a0<\/span>{\u00a0}\n<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u4f7f\u7528 Bean \u81ea\u52a8\u6620\u5c04\u5de5\u5177<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6211\u4eec\u7ecf\u5e38\u5728\u4ee3\u7801\u4e2d\u4f1a\u5bf9\u4e00\u4e2a\u6570\u636e\u7ed3\u6784\u5c01\u88c5\u6210 DO\u3001DTO\u3001VO \u7b49\uff0c\u800c\u8fd9\u4e9b Bean \u4e2d\u7684\u5927\u90e8\u5206\u5c5e\u6027\u90fd\u662f\u4e00\u6837\u7684\uff0c\u6240\u4ee5\u4f7f\u7528\u5c5e\u6027\u62f7\u8d1d\u7c7b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8282\u7701\u5927\u91cf\u7684 set \u548c get \u64cd\u4f5c\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5e38\u7528\u7684 Bean \u6620\u5c04\u5de5\u5177\u6709\uff1aSpring BeanUtils\u3001Apache BeanUtils\u3001MapStruct\u3001ModelMapper\u3001Dozer\u3001Orika\u3001JMapper \u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u7531\u4e8e Apache BeanUtils \u3001Dozer \u3001ModelMapper \u6027\u80fd\u592a\u5dee\uff0c\u6240\u4ee5\u4e0d\u5efa\u8bae\u4f7f\u7528\u3002MapStruct \u6027\u80fd\u66f4\u597d\u800c\u4e14\u4f7f\u7528\u8d77\u6765\u6bd4\u8f83\u7075\u6d3b\uff0c\u662f\u4e00\u4e2a\u6bd4\u8f83\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u8fd9\u91cc\u4ee5 MapStruct \u4e3a\u4f8b\uff0c\u7b80\u5355\u6f14\u793a\u4e00\u4e0b\u8f6c\u6362\u6548\u679c\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">1\u3001\u5b9a\u4e49\u4e24\u4e2a\u7c7b <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Employee<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">EmployeeDTO<\/code>\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Employee<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">int<\/span>\u00a0id;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0name;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0getters\u00a0and\u00a0setters<\/span>\n}\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">EmployeeDTO<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">int<\/span>\u00a0employeeId;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0employeeName;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0getters\u00a0and\u00a0setters<\/span>\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">2\u3001\u5b9a\u4e49\u8f6c\u6362\u63a5\u53e3\u8ba9 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Employee<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">EmployeeDTO<\/code>\u4e92\u76f8\u8f6c\u6362\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@Mapper<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">interface<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">EmployeeMapper<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0Spring\u00a0\u9879\u76ee\u53ef\u4ee5\u5c06\u00a0Mapper\u00a0\u6ce8\u5165\u5230\u00a0IoC\u00a0\u5bb9\u5668\u4e2d\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u50cf\u00a0Spring\u00a0Bean\u00a0\u4e00\u6837\u8c03\u7528\u4e86<\/span>\n\u00a0\u00a0\u00a0\u00a0EmployeeMapper\u00a0INSTANT\u00a0=\u00a0Mappers.getMapper(EmployeeMapper<span style=\"line-height: 26px;\">.<span style=\"color: #c678dd; line-height: 26px;\">class<\/span>)<\/span>;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Mapping<\/span>(target=<span style=\"color: #98c379; line-height: 26px;\">\"employeeId\"<\/span>,\u00a0source=<span style=\"color: #98c379; line-height: 26px;\">\"entity.id\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Mapping<\/span>(target=<span style=\"color: #98c379; line-height: 26px;\">\"employeeName\"<\/span>,\u00a0source=<span style=\"color: #98c379; line-height: 26px;\">\"entity.name\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\">EmployeeDTO\u00a0<span style=\"color: #61aeee; line-height: 26px;\">employeeToEmployeeDTO<\/span><span style=\"line-height: 26px;\">(Employee\u00a0entity)<\/span><\/span>;\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Mapping<\/span>(target=<span style=\"color: #98c379; line-height: 26px;\">\"id\"<\/span>,\u00a0source=<span style=\"color: #98c379; line-height: 26px;\">\"dto.employeeId\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@Mapping<\/span>(target=<span style=\"color: #98c379; line-height: 26px;\">\"name\"<\/span>,\u00a0source=<span style=\"color: #98c379; line-height: 26px;\">\"dto.employeeName\"<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"line-height: 26px;\">Employee\u00a0<span style=\"color: #61aeee; line-height: 26px;\">employeeDTOtoEmployee<\/span><span style=\"line-height: 26px;\">(EmployeeDTO\u00a0dto)<\/span><\/span>;\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">3\u3001\u5b9e\u9645\u4f7f\u7528\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u00a0EmployeeDTO\u00a0\u8f6c\u00a0\u00a0Employee<\/span>\nEmployee\u00a0employee\u00a0=\u00a0EmployeeMapper.INSTANT.employeeToEmployeeDTO(employee);\n\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u00a0Employee\u00a0\u8f6c\u00a0\u00a0EmployeeDTO<\/span>\nEmployeeDTO\u00a0employeeDTO\u00a0=\u00a0EmployeeMapper.INSTANT.employeeDTOtoEmployee(employeeDTO);<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u89c4\u8303\u65e5\u5fd7\u6253\u5370<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">1\u3001\u4e0d\u8981\u968f\u610f\u6253\u5370\u65e5\u5fd7\uff0c\u786e\u4fdd\u81ea\u5df1\u6253\u5370\u7684\u65e5\u5fd7\u662f\u540e\u9762\u80fd\u7528\u5230\u7684\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6253\u5370\u592a\u591a\u65e0\u7528\u7684\u65e5\u5fd7\u4e0d\u5149\u5f71\u54cd\u95ee\u9898\u6392\u67e5\uff0c\u8fd8\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u52a0\u91cd\u78c1\u76d8\u8d1f\u62c5\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">2\u3001\u6253\u5370\u65e5\u5fd7\u4e2d\u7684\u654f\u611f\u6570\u636e\u6bd4\u5982\u8eab\u4efd\u8bc1\u53f7\u3001\u7535\u8bdd\u53f7\u3001\u5bc6\u7801\u9700\u8981\u8fdb\u884c\u8131\u654f\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">3\u3001\u9009\u62e9\u5408\u9002\u7684\u65e5\u5fd7\u6253\u5370\u7ea7\u522b\u3002\u6700\u5e38\u7528\u7684\u65e5\u5fd7\u7ea7\u522b\u6709\u56db\u4e2a\uff1aDEBUG\u3001INFO\u3001WARN\u3001ERROR\u3002<\/p>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">DEBUG\uff08\u8c03\u8bd5\uff09\uff1a\u5f00\u53d1\u8c03\u8bd5\u65e5\u5fd7\uff0c\u4e3b\u8981\u5f00\u53d1\u4eba\u5458\u5f00\u53d1\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u4f7f\u7528\uff0c\u751f\u4ea7\u73af\u5883\u7981\u6b62\u8f93\u51fa DEBUG \u65e5\u5fd7\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">INFO\uff08\u901a\u77e5\uff09\uff1a\u6b63\u5e38\u7684\u7cfb\u7edf\u8fd0\u884c\u4fe1\u606f\uff0c\u4e00\u4e9b\u5916\u90e8\u63a5\u53e3\u7684\u65e5\u5fd7\uff0c\u901a\u5e38\u7528\u4e8e\u6392\u67e5\u95ee\u9898\u4f7f\u7528\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">WARN\uff08\u8b66\u544a\uff09\uff1a\u8b66\u544a\u65e5\u5fd7\uff0c\u63d0\u793a\u7cfb\u7edf\u67d0\u4e2a\u6a21\u5757\u53ef\u80fd\u5b58\u5728\u95ee\u9898\uff0c\u4f46\u5bf9\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u6ca1\u6709\u5f71\u54cd\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">ERROR\uff08\u9519\u8bef\uff09\uff1a\u9519\u8bef\u65e5\u5fd7\uff0c\u63d0\u793a\u7cfb\u7edf\u67d0\u4e2a\u6a21\u5757\u53ef\u80fd\u5b58\u5728\u6bd4\u8f83\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/section>\n<\/li>\n<\/ul>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">4\u3001\u751f\u4ea7\u73af\u5883\u7981\u6b62\u8f93\u51fa DEBUG \u65e5\u5fd7\uff0c\u907f\u514d\u6253\u5370\u7684\u65e5\u5fd7\u8fc7\u591a\uff08DEBUG \u65e5\u5fd7\u975e\u5e38\u591a\uff09\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">5\u3001\u5e94\u7528\u4e2d\u4e0d\u53ef\u76f4\u63a5\u4f7f\u7528\u65e5\u5fd7\u7cfb\u7edf\uff08Log4j\u3001Logback\uff09\u4e2d\u7684 API\uff0c\u800c\u5e94\u4f9d\u8d56\u4f7f\u7528\u65e5\u5fd7\u6846\u67b6 SLF4J \u4e2d\u7684 API\uff0c\u4f7f\u7528\u95e8\u9762\u6a21\u5f0f\u7684\u65e5\u5fd7\u6846\u67b6\uff0c\u6709\u5229\u4e8e\u7ef4\u62a4\u548c\u5404\u4e2a\u7c7b\u7684\u65e5\u5fd7\u5904\u7406\u65b9\u5f0f\u7edf\u4e00\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Spring Boot \u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5185\u7f6e\u7684\u65e5\u5fd7\u6846\u67b6 Logback\uff0cLogback \u5c31\u662f\u6309\u7167 SLF4J API \u6807\u51c6\u5b9e\u73b0\u7684\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">6\u3001\u5f02\u5e38\u65e5\u5fd7\u9700\u8981\u6253\u5370\u5b8c\u6574\u7684\u5f02\u5e38\u4fe1\u606f\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u53cd\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u8bfb\u6587\u4ef6\u64cd\u4f5c<\/span>\n\u00a0\u00a0\u00a0\u00a0readFile();\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IOException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u53ea\u4fdd\u7559\u4e86\u5f02\u5e38\u6d88\u606f\uff0c\u6808\u6ca1\u6709\u8bb0\u5f55<\/span>\n\u00a0\u00a0\u00a0\u00a0log.error(<span style=\"color: #98c379; line-height: 26px;\">\"\u6587\u4ef6\u8bfb\u53d6\u9519\u8bef,\u00a0{}\"<\/span>,\u00a0e.getMessage());\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6b63\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u8bfb\u6587\u4ef6\u64cd\u4f5c<\/span>\n\u00a0\u00a0\u00a0\u00a0readFile();\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IOException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0log.error(<span style=\"color: #98c379; line-height: 26px;\">\"\u6587\u4ef6\u8bfb\u53d6\u9519\u8bef\"<\/span>,\u00a0e);\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">7\u3001\u907f\u514d\u5c42\u5c42\u6253\u5370\u65e5\u5fd7\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e3e\u4e2a\u4f8b\u5b50\uff1amethod1 \u8c03\u7528 method2\uff0cmethod2 \u51fa\u73b0 error \u5e76\u6253\u5370 error \u65e5\u5fd7\uff0cmethod1 \u4e5f\u6253\u5370\u4e86 error \u65e5\u5fd7\uff0c\u7b49\u540c\u4e8e\u4e00\u4e2a\u9519\u8bef\u65e5\u5fd7\u6253\u5370\u4e86 2 \u904d\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">8\u3001\u4e0d\u8981\u6253\u5370\u65e5\u5fd7\u540e\u53c8\u5c06\u5f02\u5e38\u629b\u51fa\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u53cd\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0...\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IllegalArgumentException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0log.error(<span style=\"color: #98c379; line-height: 26px;\">\"\u51fa\u73b0\u5f02\u5e38\u5566\"<\/span>,\u00a0e);\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throw<\/span>\u00a0e;\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5728\u65e5\u5fd7\u4e2d\u4f1a\u5bf9\u629b\u51fa\u7684\u4e00\u4e2a\u5f02\u5e38\u6253\u5370\u591a\u6761\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6b63\u4f8b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0...\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IllegalArgumentException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0log.error(<span style=\"color: #98c379; line-height: 26px;\">\"\u51fa\u73b0\u5f02\u5e38\u5566\"<\/span>,\u00a0e);\n}\n<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u6216\u8005\u5305\u88c5\u6210\u81ea\u5b9a\u4e49\u5f02\u5e38\u4e4b\u540e\u629b\u51fa<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0...\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IllegalArgumentException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">throw<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0MyBusinessException(<span style=\"color: #98c379; line-height: 26px;\">\"\u4e00\u6bb5\u5bf9\u5f02\u5e38\u7684\u63cf\u8ff0\u4fe1\u606f.\"<\/span>,\u00a0e);\n}<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u89c4\u8303\u5f02\u5e38\u5904\u7406<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u963f\u91cc\u5df4\u5df4 Java \u5f02\u5e38\u5904\u7406\u89c4\u7ea6\u5982\u4e0b\uff1a<\/p>\n<figure style=\"margin-top: 10px; margin-bottom: 10px; display: flex; flex-direction: column; justify-content: center; align-items: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" style=\"display: block; margin-right: auto; margin-left: auto;\" title=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" data-src=\"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154349504.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" style=\"display: block; margin-right: auto; margin-left: auto;\" title=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" src=\"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154349504.png\" alt=\"\u4f60\u89c1\u8fc7\u54ea\u4e9b\u4f18\u96c5\u7684 Java \u4ee3\u7801\u4f18\u5316\u6280\u5de7\uff1f\" \/><\/noscript><figcaption style=\"margin-top: 5px; text-align: center; color: #888; font-size: 14px;\">\u963f\u91cc\u5df4\u5df4Java\u5f02\u5e38\u5904\u7406\u89c4\u7ea6<\/figcaption><\/figure>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u7edf\u4e00\u5f02\u5e38\u5904\u7406<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\"><strong style=\"color: #3498db;\">\u6240\u6709\u7684\u5f02\u5e38\u90fd\u5e94\u8be5\u7531\u6700\u4e0a\u5c42\u6355\u83b7\u5e76\u5904\u7406\uff0c\u8fd9\u6837\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u8fd8\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u8f93\u51fa\u5f02\u5e38\u65e5\u5fd7\u3002<\/strong> \u5982\u679c\u6211\u4eec\u90fd\u5728\u4e1a\u52a1\u4ee3\u7801\u4e2d\u4f7f\u7528<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-catch<\/code>\u6216\u8005<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-catch-finally<\/code>\u5904\u7406\u7684\u8bdd\uff0c\u5c31\u4f1a\u8ba9\u4e1a\u52a1\u4ee3\u7801\u4e2d\u5197\u4f59\u592a\u591a\u5f02\u5e38\u5904\u7406\u7684\u903b\u8f91\uff0c\u5bf9\u4e8e\u540c\u6837\u7684\u5f02\u5e38\u6211\u4eec\u8fd8\u9700\u8981\u91cd\u590d\u7f16\u5199\u4ee3\u7801\u5904\u7406\uff0c\u8fd8\u53ef\u80fd\u4f1a\u5bfc\u81f4\u91cd\u590d\u8f93\u51fa\u5f02\u5e38\u65e5\u5fd7\u3002\u8fd9\u6837\u7684\u8bdd\uff0c\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u9605\u8bfb\u6027\u90fd\u975e\u5e38\u5dee\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Spring Boot \u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u501f\u52a9 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">@RestControllerAdvice<\/code> \u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">@ExceptionHandler<\/code> \u5b9e\u73b0\u5168\u5c40\u7edf\u4e00\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #61aeee; line-height: 26px;\">@RestControllerAdvice<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">GlobalExceptionHandler<\/span>\u00a0<\/span>{\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@ExceptionHandler<\/span>(BusinessException<span style=\"line-height: 26px;\">.<span style=\"color: #c678dd; line-height: 26px;\">class<\/span>)\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Result<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">businessExceptionHandler<\/span>(<span style=\"color: #e6c07b; line-height: 26px;\">HttpServletRequest<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">request<\/span>,\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">BusinessException<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">e<\/span>)<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0...\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0Result.faild(e.getCode(),\u00a0e.getMessage());\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0...\n}\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u4f7f\u7528 try-with-resource \u5173\u95ed\u8d44\u6e90<\/h3>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u9002\u7528\u8303\u56f4\uff08\u8d44\u6e90\u7684\u5b9a\u4e49\uff09\uff1a<\/strong> \u4efb\u4f55\u5b9e\u73b0 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">java.lang.AutoCloseable<\/code>\u6216\u8005 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">java.io.Closeable<\/code> \u7684\u5bf9\u8c61<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u5173\u95ed\u8d44\u6e90\u548c finally \u5757\u7684\u6267\u884c\u987a\u5e8f\uff1a<\/strong> \u5728 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code> \u8bed\u53e5\u4e2d\uff0c\u4efb\u4f55 catch \u6216 finally \u5757\u5728\u58f0\u660e\u7684\u8d44\u6e90\u5173\u95ed\u540e\u8fd0\u884c<\/section>\n<\/li>\n<\/ol>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u300aEffective Java\u300b\u4e2d\u660e\u786e\u6307\u51fa\uff1a<\/p>\n<blockquote style=\"border-top: none; border-right: none; border-bottom: none; margin: 20px 5px; quotes: none; font-size: 0.9em; overflow: auto; padding: 10px 10px 10px 20px; border-left-width: 2.3px; border-left-color: #3498db; color: #616161; background: #ecf0f1;\">\n<p style=\"padding-top: 8px; padding-bottom: 8px; font-size: 15px; color: black; line-height: 26px;\">\u9762\u5bf9\u5fc5\u987b\u8981\u5173\u95ed\u7684\u8d44\u6e90\uff0c\u6211\u4eec\u603b\u662f\u5e94\u8be5\u4f18\u5148\u4f7f\u7528 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code> \u800c\u4e0d\u662f<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-finally<\/code>\u3002\u968f\u4e4b\u4ea7\u751f\u7684\u4ee3\u7801\u66f4\u7b80\u77ed\uff0c\u66f4\u6e05\u6670\uff0c\u4ea7\u751f\u7684\u5f02\u5e38\u5bf9\u6211\u4eec\u4e5f\u66f4\u6709\u7528\u3002<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code>\u8bed\u53e5\u8ba9\u4eba\u66f4\u5bb9\u6613\u7f16\u5199\u5fc5\u987b\u8981\u5173\u95ed\u7684\u8d44\u6e90\u7684\u4ee3\u7801\uff0c\u82e5\u91c7\u7528<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-finally<\/code>\u5219\u51e0\u4e4e\u505a\u4e0d\u5230\u8fd9\u70b9\u3002<\/p>\n<\/blockquote>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">Java \u4e2d\u7c7b\u4f3c\u4e8e<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">InputStream<\/code>\u3001<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">OutputStream<\/code> \u3001<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Scanner<\/code> \u3001<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">PrintWriter<\/code>\u7b49\u7684\u8d44\u6e90\u90fd\u9700\u8981\u8c03\u7528<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">close()<\/code>\u65b9\u6cd5\u6765\u624b\u52a8\u5173\u95ed\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u662f\u901a\u8fc7<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-catch-finally<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9<\/span>\nScanner\u00a0scanner\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>;\n<span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0scanner\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0Scanner(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0File(<span style=\"color: #98c379; line-height: 26px;\">\"D:\/\/read.txt\"<\/span>));\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">while<\/span>\u00a0(scanner.hasNext())\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(scanner.nextLine());\n\u00a0\u00a0\u00a0\u00a0}\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(FileNotFoundException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">finally<\/span>\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">if<\/span>\u00a0(scanner\u00a0!=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0scanner.close();\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4f7f\u7528 Java 7 \u4e4b\u540e\u7684 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code> \u8bed\u53e5\u6539\u9020\u4e0a\u9762\u7684\u4ee3\u7801:<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0(Scanner\u00a0scanner\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0Scanner(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0File(<span style=\"color: #98c379; line-height: 26px;\">\"test.txt\"<\/span>)))\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">while<\/span>\u00a0(scanner.hasNext())\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(scanner.nextLine());\n\u00a0\u00a0\u00a0\u00a0}\n}\u00a0<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(FileNotFoundException\u00a0fnfe)\u00a0{\n\u00a0\u00a0\u00a0\u00a0fnfe.printStackTrace();\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5f53\u7136\u591a\u4e2a\u8d44\u6e90\u9700\u8981\u5173\u95ed\u7684\u65f6\u5019\uff0c\u4f7f\u7528 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code> \u5b9e\u73b0\u8d77\u6765\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u5982\u679c\u4f60\u8fd8\u662f\u7528<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-catch-finally<\/code>\u53ef\u80fd\u4f1a\u5e26\u6765\u5f88\u591a\u95ee\u9898\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u901a\u8fc7\u4f7f\u7528\u5206\u53f7\u5206\u9694\uff0c\u53ef\u4ee5\u5728<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">try-with-resources<\/code>\u5757\u4e2d\u58f0\u660e\u591a\u4e2a\u8d44\u6e90\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">try<\/span>\u00a0(BufferedInputStream\u00a0bin\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0BufferedInputStream(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0FileInputStream(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0File(<span style=\"color: #98c379; line-height: 26px;\">\"test.txt\"<\/span>)));\n\u00a0\u00a0\u00a0\u00a0\u00a0BufferedOutputStream\u00a0bout\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0BufferedOutputStream(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0FileOutputStream(<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0File(<span style=\"color: #98c379; line-height: 26px;\">\"out.txt\"<\/span>))))\u00a0{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">int<\/span>\u00a0b;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">while<\/span>\u00a0((b\u00a0=\u00a0bin.read())\u00a0!=\u00a0-<span style=\"color: #d19a66; line-height: 26px;\">1<\/span>)\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bout.write(b);\n\u00a0\u00a0\u00a0\u00a0}\n}\n<span style=\"color: #c678dd; line-height: 26px;\">catch<\/span>\u00a0(IOException\u00a0e)\u00a0{\n\u00a0\u00a0\u00a0\u00a0e.printStackTrace();\n}\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u4e0d\u8981\u628a\u5f02\u5e38\u5b9a\u4e49\u4e3a\u9759\u6001\u53d8\u91cf<\/h3>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e0d\u8981\u628a\u5f02\u5e38\u5b9a\u4e49\u4e3a\u9759\u6001\u53d8\u91cf\uff0c\u56e0\u4e3a\u8fd9\u6837\u4f1a\u5bfc\u81f4\u5f02\u5e38\u6808\u4fe1\u606f\u9519\u4e71\u3002\u6bcf\u6b21\u624b\u52a8\u629b\u51fa\u5f02\u5e38\uff0c\u90fd\u9700\u8981\u624b\u52a8 new \u4e00\u4e2a\u5f02\u5e38\u5bf9\u8c61\u629b\u51fa\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u9519\u8bef\u505a\u6cd5<\/span>\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Exceptions<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0BusinessException\u00a0ORDEREXISTS\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0BusinessException(<span style=\"color: #98c379; line-height: 26px;\">\"\u8ba2\u5355\u5df2\u7ecf\u5b58\u5728\"<\/span>,\u00a0<span style=\"color: #d19a66; line-height: 26px;\">3001<\/span>);\n...\n}\n<\/code><\/pre>\n<h3 style=\"font-size: 19px; margin-top: 0.8em; margin-bottom: 1em; font-weight: bold; color: #3498db; padding-left: 10px; border-left: 2px solid #3498db;\">\u5176\u4ed6\u5f02\u5e38\u5904\u7406\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u629b\u51fa\u5b8c\u6574\u5177\u4f53\u7684\u5f02\u5e38\u4fe1\u606f\uff08\u907f\u514d <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">throw new BIZException(e.getMessage()<\/code>\u8fd9\u79cd\u5f62\u5f0f\u7684\u5f02\u5e38\u629b\u51fa\uff09\uff0c\u5c3d\u91cf\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">RuntimeException<\/code>\u6216<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Exception<\/code>\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u4f18\u5148\u6355\u83b7\u5177\u4f53\u7684\u5f02\u5e38\u7c7b\u578b\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u6355\u83b7\u4e86\u5f02\u5e38\u4e4b\u540e\u4e00\u5b9a\u8981\u5904\u7406\uff0c\u907f\u514d\u76f4\u63a5\u5403\u6389\u5f02\u5e38\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">......<\/section>\n<\/li>\n<\/ul>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u63a5\u53e3\u4e0d\u8981\u76f4\u63a5\u8fd4\u56de\u6570\u636e\u5e93\u5bf9\u8c61<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u63a5\u53e3\u4e0d\u8981\u76f4\u63a5\u8fd4\u56de\u6570\u636e\u5e93\u5bf9\u8c61\uff08\u4e5f\u5c31\u662f DO\uff09\uff0c\u6570\u636e\u5e93\u5bf9\u8c61\u5305\u542b\u7c7b\u4e2d\u6240\u6709\u7684\u5c5e\u6027\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u00a0\u9519\u8bef\u505a\u6cd5<\/span>\n<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0UserDO\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getUser<\/span><span style=\"line-height: 26px;\">(Long\u00a0userId)<\/span>\u00a0<\/span>{\n\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0userService.getUser(userId);\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u539f\u56e0\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5982\u679c\u6570\u636e\u5e93\u67e5\u8be2\u4e0d\u505a\u5b57\u6bb5\u9650\u5236\uff0c\u4f1a\u5bfc\u81f4\u63a5\u53e3\u6570\u636e\u5e9e\u5927\uff0c\u6d6a\u8d39\u7528\u6237\u7684\u5b9d\u8d35\u6d41\u91cf\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5982\u679c\u6570\u636e\u5e93\u67e5\u8be2\u4e0d\u505a\u5b57\u6bb5\u9650\u5236\uff0c\u5bb9\u6613\u628a\u654f\u611f\u5b57\u6bb5\u66b4\u9732\u7ed9\u63a5\u53e3\uff0c\u5bfc\u81f4\u51fa\u73b0\u6570\u636e\u7684\u5b89\u5168\u95ee\u9898\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5982\u679c\u4fee\u6539\u6570\u636e\u5e93\u5bf9\u8c61\u7684\u5b9a\u4e49\uff0c\u63a5\u53e3\u8fd4\u56de\u7684\u6570\u636e\u7d27\u8ddf\u7740\u4e5f\u8981\u6539\u53d8\uff0c\u4e0d\u5229\u4e8e\u7ef4\u62a4\u3002<\/section>\n<\/li>\n<\/ul>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5efa\u8bae\u7684\u505a\u6cd5\u662f\u5355\u72ec\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6bd4\u5982 VO\uff08\u53ef\u4ee5\u770b\u4f5c\u662f\u63a5\u53e3\u8fd4\u56de\u7ed9\u524d\u7aef\u5c55\u793a\u7684\u5bf9\u8c61\u6570\u636e\uff09\u6765\u5bf9\u63a5\u53e3\u8fd4\u56de\u7684\u6570\u636e\u8fdb\u884c\u7b5b\u9009\uff0c\u751a\u81f3\u662f\u5c01\u88c5\u548c\u7ec4\u5408\u3002<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0UserVo\u00a0<span style=\"color: #61aeee; line-height: 26px;\">getUser<\/span><span style=\"line-height: 26px;\">(Long\u00a0userId)<\/span>\u00a0<\/span>{\n\u00a0 UserDO userDO = userService.getUser(userId)\uff1b\n\u00a0\u00a0UserVO\u00a0userVO\u00a0=\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0UserVO();\n\u00a0\u00a0BeanUtils.copyProperties(userDO,\u00a0userVO);<span style=\"color: #5c6370; font-style: italic; line-height: 26px;\">\/\/\u6f14\u793a\u4f7f\u7528<\/span>\n\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0userVO;\n}\n<\/code><\/pre>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u7edf\u4e00\u63a5\u53e3\u8fd4\u56de\u503c<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u63a5\u53e3\u8fd4\u56de\u7684\u6570\u636e\u4e00\u5b9a\u8981\u7edf\u4e00\u683c\u5f0f\uff0c\u906e\u63a9\u66f4\u65b9\u9762\u5bf9\u63a5\u524d\u7aef\u5f00\u53d1\u7684\u540c\u5b66\u4ee5\u53ca\u5176\u4ed6\u8c03\u7528\u8be5\u63a5\u53e3\u7684\u5f00\u53d1\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u901a\u5e38\u6765\u8bf4\uff0c\u4e0b\u9762\u8fd9\u4e9b\u4fe1\u606f\u662f\u5fc5\u5907\u7684\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u72b6\u6001\u7801\u548c\u72b6\u6001\u4fe1\u606f\uff1a\u53ef\u4ee5\u901a\u8fc7\u679a\u4e3e\u5b9a\u4e49\u72b6\u6001\u7801\u548c\u72b6\u6001\u4fe1\u606f\u3002\u72b6\u6001\u7801\u6807\u8bc6\u8bf7\u6c42\u7684\u7ed3\u679c\uff0c\u72b6\u6001\u4fe1\u606f\u5c5e\u4e8e\u63d0\u793a\u4fe1\u606f\uff0c\u63d0\u793a\u6210\u529f\u4fe1\u606f\u6216\u8005\u9519\u8bef\u4fe1\u606f\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u8bf7\u6c42\u6570\u636e\uff1a\u8bf7\u6c42\u8be5\u63a5\u53e3\u5b9e\u9645\u8981\u8fd4\u56de\u7684\u6570\u636e\u6bd4\u5982\u7528\u6237\u4fe1\u606f\u3001\u6587\u7ae0\u5217\u8868\u3002<\/section>\n<\/li>\n<\/ol>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">enum<\/span>\u00a0ResultEnum\u00a0implements\u00a0IResult\u00a0{\n\u00a0\u00a0\u00a0\u00a0SUCCESS(<span style=\"color: #d19a66; line-height: 26px;\">2001<\/span>,\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"\u63a5\u53e3\u8c03\u7528\u6210\u529f\"<\/span>),\n\u00a0\u00a0\u00a0\u00a0VALIDATE_FAILED(<span style=\"color: #d19a66; line-height: 26px;\">2002<\/span>,\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"\u53c2\u6570\u6821\u9a8c\u5931\u8d25\"<\/span>),\n\u00a0\u00a0\u00a0\u00a0COMMON_FAILED(<span style=\"color: #d19a66; line-height: 26px;\">2003<\/span>,\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"\u63a5\u53e3\u8c03\u7528\u5931\u8d25\"<\/span>),\n\u00a0\u00a0\u00a0\u00a0FORBIDDEN(<span style=\"color: #d19a66; line-height: 26px;\">2004<\/span>,\u00a0<span style=\"color: #98c379; line-height: 26px;\">\"\u6ca1\u6709\u6743\u9650\u8bbf\u95ee\u8d44\u6e90\"<\/span>);\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0Integer\u00a0code;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0message;\n\u00a0\u00a0\u00a0\u00a0...\n}\n\n<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">Result<\/span>&lt;<span style=\"color: #e6c07b; line-height: 26px;\">T<\/span>&gt;\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0Integer\u00a0code;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0String\u00a0message;\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">private<\/span>\u00a0T\u00a0data;\n\u00a0\u00a0\u00a0\u00a0...\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0&lt;T&gt;\u00a0<span style=\"line-height: 26px;\">Result&lt;T&gt;\u00a0<span style=\"color: #61aeee; line-height: 26px;\">success<\/span><span style=\"line-height: 26px;\">(T\u00a0data)<\/span>\u00a0<\/span>{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0Result&lt;&gt;(ResultEnum.SUCCESS.getCode(),\u00a0ResultEnum.SUCCESS.getMessage(),\u00a0data);\n\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">static<\/span>\u00a0Result&lt;?&gt;\u00a0failed()\u00a0{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0<span style=\"color: #c678dd; line-height: 26px;\">new<\/span>\u00a0Result&lt;&gt;(ResultEnum.COMMON_FAILED.getCode(),\u00a0ResultEnum.COMMON_FAILED.getMessage(),\u00a0<span style=\"color: #c678dd; line-height: 26px;\">null<\/span>);\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0...\n}\n\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5bf9\u4e8e Spring Boot \u9879\u76ee\u6765\u8bf4\uff0c\u53ef\u4ee5\u4f7f\u7528 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">@RestControllerAdvice<\/code> \u6ce8\u89e3+ <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ResponseBodyAdvic<\/code>\u63a5\u53e3\u7edf\u4e00\u5904\u7406\u63a5\u53e3\u8fd4\u56de\u503c\uff0c\u5b9e\u73b0\u4ee3\u7801\u65e0\u4fb5\u5165\u3002\u7bc7\u5e45\u95ee\u9898\u8fd9\u91cc\u5c31\u4e0d\u8d34\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u4e86\uff0c\u6bd4\u8f83\u7b80\u5355\uff0c\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff1a<span style=\"font-weight: bold; color: #2c3e50;\">Spring Boot \u65e0\u4fb5\u5165\u5f0f \u5b9e\u73b0 API \u63a5\u53e3\u7edf\u4e00 JSON \u683c\u5f0f\u8fd4\u56de<\/span><sup style=\"line-height: 0; font-weight: bold; color: #2c3e50;\">[6]<\/sup> \u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5728 Spring Cloud OpenFeign \u7684\u7ee7\u627f\u6a21\u5f0f\u4e0b\u662f\u6709\u4fb5\u5165\u6027\uff0c\u89e3\u51b3\u529e\u6cd5\u89c1\uff1a<span style=\"font-weight: bold; color: #2c3e50;\">SpringBoot \u65e0\u4fb5\u5165\u5f0f API \u63a5\u53e3\u7edf\u4e00\u683c\u5f0f\u8fd4\u56de\uff0c\u5728 Spring Cloud OpenFeign \u7ee7\u627f\u6a21\u5f0f\u5177\u6709\u4e86\u4fb5\u5165\u6027<\/span><sup style=\"line-height: 0; font-weight: bold; color: #2c3e50;\">[7]<\/sup> \u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u5176\u5b9e\u4f7f\u7528\u6bd4\u8f83\u591a\u7684\u8fd8\u662f\u4e0b\u9762\u8fd9\u79cd\u6bd4\u8f83\u76f4\u63a5\u7684\u65b9\u5f0f\uff1a<\/p>\n<pre style=\"margin-top: 10px; margin-bottom: 10px; border-radius: 5px; box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;\"><code style=\"overflow-x: auto; padding: 16px; color: #abb2bf; display: -webkit-box; font-family: Operator Mono, Consolas, Monaco, Menlo, monospace; font-size: 12px; -webkit-overflow-scrolling: touch; padding-top: 15px; background: #282c34; border-radius: 5px;\"><span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0<span style=\"line-height: 26px;\"><span style=\"color: #c678dd; line-height: 26px;\">class<\/span>\u00a0<span style=\"color: #e6c07b; line-height: 26px;\">PostController<\/span>\u00a0<\/span>{\n\n\u00a0<span style=\"color: #61aeee; line-height: 26px;\">@GetMapping<\/span>(<span style=\"color: #98c379; line-height: 26px;\">\"\/list\"<\/span>)\n\u00a0<span style=\"color: #c678dd; line-height: 26px;\">public<\/span>\u00a0R&lt;List&lt;SysPost&gt;&gt;\u00a0getPosts()\u00a0{\n\u00a0\u00a0...\n\u00a0\u00a0<span style=\"color: #c678dd; line-height: 26px;\">return<\/span>\u00a0R.ok(posts);\n\u00a0}\n}\n<\/code><\/pre>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e0a\u9762\u4ecb\u7ecd\u7684\u65e0\u4fb5\u5165\u7684\u65b9\u5f0f\uff0c\u4e00\u822c\u6539\u9020\u65e7\u9879\u76ee\u7684\u65f6\u5019\u7528\u7684\u6bd4\u8f83\u591a\u3002<\/p>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u8fdc\u7a0b\u8c03\u7528\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u7b2c\u4e09\u65b9\u63a5\u53e3\u8c03\u7528\u3001RPC \u8c03\u7528\u4ee5\u53ca\u670d\u52a1\u4e4b\u95f4\u7684\u8c03\u7528\u5efa\u8bae\u8bbe\u7f6e\u4e00\u4e2a\u8d85\u65f6\u65f6\u95f4\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5e73\u65f6\u63a5\u89e6\u5230\u7684\u8d85\u65f6\u53ef\u4ee5\u7b80\u5355\u5206\u4e3a\u4e0b\u9762 2 \u79cd\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u8fde\u63a5\u8d85\u65f6\uff08ConnectTimeout\uff09<\/strong> \uff1a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5\u7684\u6700\u957f\u7b49\u5f85\u65f6\u95f4\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\"><strong style=\"color: #3498db;\">\u8bfb\u53d6\u8d85\u65f6\uff08ReadTimeout\uff09<\/strong> \uff1a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u5df2\u7ecf\u5efa\u7acb\u8fde\u63a5\uff0c\u5ba2\u6237\u7aef\u7b49\u5f85\u670d\u52a1\u7aef\u5904\u7406\u5b8c\u8bf7\u6c42\u7684\u6700\u957f\u65f6\u95f4\u3002\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u5173\u6ce8\u6bd4\u8f83\u591a\u7684\u8fd8\u662f\u8bfb\u53d6\u8d85\u65f6\u3002<\/section>\n<\/li>\n<\/ul>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u4e00\u4e9b\u8fde\u63a5\u6c60\u5ba2\u6237\u7aef\u6846\u67b6\u4e2d\u53ef\u80fd\u8fd8\u4f1a\u6709\u83b7\u53d6\u8fde\u63a5\u8d85\u65f6\u548c\u7a7a\u95f2\u8fde\u63a5\u6e05\u7406\u8d85\u65f6\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u8d85\u65f6\u7684\u8bdd\uff0c\u5c31\u53ef\u80fd\u4f1a\u5bfc\u81f4\u670d\u52a1\u7aef\u8fde\u63a5\u6570\u7206\u70b8\u548c\u5927\u91cf\u8bf7\u6c42\u5806\u79ef\u7684\u95ee\u9898\u3002\u8fd9\u4e9b\u5806\u79ef\u7684\u8fde\u63a5\u548c\u8bf7\u6c42\u4f1a\u6d88\u8017\u7cfb\u7edf\u8d44\u6e90\uff0c\u5f71\u54cd\u65b0\u6536\u5230\u7684\u8bf7\u6c42\u7684\u5904\u7406\u3002\u4e25\u91cd\u7684\u60c5\u51b5\u4e0b\uff0c\u751a\u81f3\u4f1a\u62d6\u57ae\u6574\u4e2a\u7cfb\u7edf\u6216\u8005\u670d\u52a1\u3002<\/p>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u6211\u4e4b\u524d\u5728\u5b9e\u9645\u9879\u76ee\u5c31\u9047\u5230\u8fc7\u7c7b\u4f3c\u7684\u95ee\u9898\uff0c\u6574\u4e2a\u7f51\u7ad9\u65e0\u6cd5\u6b63\u5e38\u5904\u7406\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u8d1f\u8f7d\u76f4\u63a5\u5feb\u88ab\u62c9\u6ee1\u3002\u540e\u9762\u53d1\u73b0\u539f\u56e0\u662f\u9879\u76ee\u8d85\u65f6\u8bbe\u7f6e\u9519\u8bef\u52a0\u4e0a\u5ba2\u6237\u7aef\u8bf7\u6c42\u5904\u7406\u5f02\u5e38\uff0c\u5bfc\u81f4\u670d\u52a1\u7aef\u8fde\u63a5\u6570\u76f4\u63a5\u63a5\u8fd1 40w+\uff0c\u8fd9\u4e48\u591a\u5806\u79ef\u7684\u8fde\u63a5\u76f4\u63a5\u628a\u7cfb\u7edf\u5e72\u8db4\u4e86\u3002<\/p>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u6b63\u786e\u4f7f\u7528\u7ebf\u7a0b\u6c60<\/h2>\n<p style=\"padding-top: 8px; padding-bottom: 8px; line-height: 26px; margin: 1em 2px;\">\u00a010 \u4e2a\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u7ebf\u7a0b\u6c60\u5fc5\u987b\u624b\u52a8\u901a\u8fc7 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ThreadPoolExecutor<\/code> \u7684\u6784\u9020\u51fd\u6570\u6765\u58f0\u660e\uff0c\u907f\u514d\u4f7f\u7528 <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">Executors<\/code> \u7c7b\u521b\u5efa\u7ebf\u7a0b\u6c60\uff0c\u4f1a\u6709 OOM \u98ce\u9669\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u76d1\u6d4b\u7ebf\u7a0b\u6c60\u8fd0\u884c\u72b6\u6001\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5efa\u8bae\u4e0d\u540c\u7c7b\u522b\u7684\u4e1a\u52a1\u7528\u4e0d\u540c\u7684\u7ebf\u7a0b\u6c60\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u522b\u5fd8\u8bb0\u7ed9\u7ebf\u7a0b\u6c60\u547d\u540d\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u6b63\u786e\u914d\u7f6e\u7ebf\u7a0b\u6c60\u53c2\u6570\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u522b\u5fd8\u8bb0\u5173\u95ed\u7ebf\u7a0b\u6c60\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u7ebf\u7a0b\u6c60\u5c3d\u91cf\u4e0d\u8981\u653e\u8017\u65f6\u4efb\u52a1\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u907f\u514d\u91cd\u590d\u521b\u5efa\u7ebf\u7a0b\u6c60\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u4f7f\u7528 Spring \u5185\u90e8\u7ebf\u7a0b\u6c60\u65f6\uff0c\u4e00\u5b9a\u8981\u624b\u52a8\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u6c60\uff0c\u914d\u7f6e\u5408\u7406\u7684\u53c2\u6570\uff0c\u4e0d\u7136\u4f1a\u51fa\u73b0\u751f\u4ea7\u95ee\u9898\uff08\u4e00\u4e2a\u8bf7\u6c42\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\uff09<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u7ebf\u7a0b\u6c60\u548c <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ThreadLocal<\/code> \u5171\u7528\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u4ece <code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">ThreadLocal<\/code> \u83b7\u53d6\u5230\u7684\u662f\u65e7\u503c\/\u810f\u6570\u636e\u3002<\/section>\n<\/li>\n<\/ol>\n<h2 style=\"min-height: 32px; line-height: 28px; color: #2980b9; border-bottom: 1px solid #3498db; border-top-color: #3498db; border-right-color: #3498db; border-left-color: #3498db; font-size: 21px; margin: 0.8em auto; padding-top: 0.5em; padding-bottom: 0.5em; text-align: center; width: 85%; font-weight: bold; display: flex; flex-direction: column; justify-content: center;\">\u654f\u611f\u6570\u636e\u5904\u7406<\/h2>\n<ol class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; font-size: 15px;\">\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u8fd4\u56de\u524d\u7aef\u7684\u654f\u611f\u6570\u636e\u6bd4\u5982\u8eab\u4efd\u8bc1\u53f7\u3001\u7535\u8bdd\u3001\u5730\u5740\u4fe1\u606f\u8981\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u8fdb\u884c\u8131\u654f\u5904\u7406\uff0c\u793a\u4f8b\uff1a<code style=\"font-size: 14px; padding: 2px 4px; border-radius: 4px; margin-right: 2px; margin-left: 2px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #2980b9;\">163****892<\/code>\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u7684\u5bc6\u7801\u9700\u8981\u52a0\u76d0\u4e4b\u540e\u4f7f\u7528\u54c8\u5e0c\u7b97\u6cd5\uff08\u6bd4\u5982 BCrypt\uff09\u8fdb\u884c\u52a0\u5bc6\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u7684\u94f6\u884c\u5361\u53f7\u3001\u8eab\u4efd\u53f7\u8fd9\u7c7b\u654f\u611f\u6570\u636e\u9700\u8981\u4f7f\u7528\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff08\u6bd4\u5982 AES\uff09\u4fdd\u5b58\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u7f51\u7edc\u4f20\u8f93\u7684\u654f\u611f\u6570\u636e\u6bd4\u5982\u94f6\u884c\u5361\u53f7\u3001\u8eab\u4efd\u53f7\u9700\u8981\u7528 HTTPS + \u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff08\u5982 RSA\uff09\u6765\u4fdd\u8bc1\u4f20\u8f93\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5bf9\u4e8e\u5bc6\u7801\u627e\u56de\u529f\u80fd\uff0c\u4e0d\u80fd\u660e\u6587\u5b58\u50a8\u7528\u6237\u5bc6\u7801\u3002\u53ef\u4ee5\u91c7\u7528\u91cd\u7f6e\u5bc6\u7801\u7684\u65b9\u5f0f\uff0c\u8ba9\u7528\u6237\u901a\u8fc7\u9a8c\u8bc1\u8eab\u4efd\u540e\u91cd\u65b0\u8bbe\u7f6e\u5bc6\u7801\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5728\u4ee3\u7801\u4e2d\u4e0d\u5e94\u8be5\u660e\u6587\u5199\u5165\u5bc6\u94a5\u3001\u53e3\u4ee4\u7b49\u654f\u611f\u4fe1\u606f\u3002\u53ef\u4ee5\u91c7\u7528\u914d\u7f6e\u6587\u4ef6\u3001\u73af\u5883\u53d8\u91cf\u7b49\u65b9\u5f0f\u6765\u52a8\u6001\u52a0\u8f7d\u8fd9\u4e9b\u4fe1\u606f\u3002<\/section>\n<\/li>\n<li>\n<section style=\"line-height: 26px; color: #010101; margin: 10px 5px;\">\u5b9a\u671f\u66f4\u65b0\u654f\u611f\u6570\u636e\u7684\u52a0\u5bc6\u7b97\u6cd5\u548c\u5bc6\u94a5\uff0c\u4ee5\u4fdd\u8bc1\u52a0\u5bc6\u7b97\u6cd5\u548c\u5bc6\u94a5\u7684\u5b89\u5168\u6027\u548c\u6709\u6548\u6027\u3002<\/section>\n<\/li>\n<\/ol>\n<\/section>\n<section style=\"padding-right: 10px; padding-left: 10px; outline: 0px; white-space: normal; background-color: #ffffff; color: black; word-break: break-word; text-align: left; font-size: 16px; letter-spacing: 2px; line-height: 1.75em; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; visibility: visible; margin-bottom: 24px;\">\n<p style=\"margin: 1em 2px; padding-top: 8px; padding-bottom: 8px; outline: 0px; line-height: 26px; text-align: center;\"><strong style=\"outline: 0px; color: #3498db;\"><strong style=\"outline: 0px;\"><strong style=\"outline: 0px; caret-color: #ff0000; visibility: visible;\"><span style=\"outline: 0px; color: #888888; font-family: PingFangSC-Light; font-size: 11px; letter-spacing: 0.544px; word-spacing: 2px; caret-color: #000000; visibility: visible;\"><strong style=\"outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 2px; color: #3498db;\"><strong style=\"outline: 0px; caret-color: #ff0000; visibility: visible;\"><span style=\"outline: 0px; color: #888888; font-family: PingFangSC-Light; letter-spacing: 0.544px; caret-color: #000000; visibility: visible;\">\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7<\/span><\/strong><\/strong>\u00a0 END\u00a0\u00a0<strong style=\"outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 2px; color: #3498db;\"><strong style=\"outline: 0px; caret-color: #ff0000; visibility: visible;\"><span style=\"outline: 0px; color: #888888; font-family: PingFangSC-Light; font-size: 11px; letter-spacing: 0.544px; caret-color: #000000; visibility: visible;\"><strong style=\"outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 2px; color: #3498db;\"><strong style=\"outline: 0px; caret-color: #ff0000; visibility: visible;\"><span style=\"outline: 0px; color: #888888; font-family: PingFangSC-Light; letter-spacing: 0.544px; caret-color: #000000; visibility: visible;\">\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7\u00b7<\/span><\/strong><\/strong><\/span><\/strong><\/strong><\/span><\/strong><\/strong><\/strong><\/p>\n<\/section>\n<p style=\"display: none; margin-bottom: 24px;\">\n<blockquote class=\"keep-source\"><p>\u539f\u6587\u59cb\u53d1\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\uff08\u7a0b\u5e8f\u5458\u9c7c\u76ae\uff09<\/p><\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u5206\u4eab\u4e00\u4e9b\u5b9e\u7528\u7684\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u7684\u5efa\u8bae\uff0c\u5185\u5bb9\u8f83\u591a\uff0c\u5efa\u8bae\u6536\u85cf\uff01 \u5185\u5bb9\u6982\u89c8\uff1a \u63d0\u53d6\u901a\u7528\u5904\u7406\u903b\u8f91 \u6ce8\u89e3\u3001\u53cd\u5c04\u548c\u52a8\u6001\u4ee3\u7406\u662f Java  &#8230;<\/p>\n","protected":false},"author":1,"featured_media":194,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524-150x150.jpeg","content_first_image":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524-1024x436.jpeg","post_frist_image":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524-1024x436.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230522154340524.jpeg","post_all_images":[{"imagesurl":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png","id":"image0"},{"imagesurl":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154342729.png","id":"image1"},{"imagesurl":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154349504.png","id":"image2"},{"imagesurl":"https:\/\/www.xinchewhd.ltd\/2023\/05\/20230522154349504.png","id":"image3"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Java","post_date":"2023-05-22","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":342,"next_post_id":269,"next_post_title":"\u7ec6\u6570\u7ebf\u7a0b\u6c60\u768410\u4e2a\u5751\uff0c\u9762\u8bd5\u7ebf\u7a0b\u4e0d\u6015\u4e0d\u6015\u5566","previous_post_id":184,"previous_post_title":"\u4f1astream\u6d41\u5c31\u4f1a\u5927\u6570\u636e\uff01","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=193"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/193\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/194"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}