{"id":1974,"date":"2023-05-28T10:11:46","date_gmt":"2023-05-28T02:11:46","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1974"},"modified":"2023-05-28T10:11:47","modified_gmt":"2023-05-28T02:11:47","slug":"spring-ioc%e9%80%9a%e4%bf%97%e7%9a%84%e8%a7%a3%e9%87%8a","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring\/spring-ioc%e9%80%9a%e4%bf%97%e7%9a%84%e8%a7%a3%e9%87%8a\/","title":{"rendered":"Spring IoC\u901a\u4fd7\u7684\u89e3\u91ca"},"content":{"rendered":"
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\n

\u7b80\u4ecb\uff1a<\/strong><\/span> \u5b66\u4e60\u8fc7<\/span>Spring<\/span>\u6846\u67b6\u7684\u4eba\u4e00\u5b9a\u90fd\u4f1a\u542c\u8fc7<\/span>Spring<\/span>\u7684<\/span>IoC(<\/span>\u63a7\u5236\u53cd\u8f6c<\/span>) <\/span>\u3001<\/span>DI(<\/span>\u4f9d\u8d56\u6ce8\u5165<\/span>)<\/span>\u8fd9\u4e24\u4e2a\u6982\u5ff5\uff0c\u5bf9\u4e8e\u521d\u5b66<\/span>Spring<\/span>\u7684\u4eba\u6765\u8bf4\uff0c\u603b\u89c9\u5f97<\/span>IoC <\/span>\u3001<\/span>DI<\/span>\u8fd9\u4e24\u4e2a\u6982\u5ff5\u662f\u6a21\u7cca\u4e0d\u6e05\u7684\uff0c\u662f\u5f88\u96be\u7406\u89e3\u7684\uff0c\u4eca\u5929\u548c\u5927\u5bb6\u5206\u4eab\u7f51\u4e0a\u7684\u4e00\u4e9b\u6280\u672f\u5927\u725b\u4eec\u5bf9<\/span>Spring<\/span>\u6846\u67b6\u7684<\/span>IOC<\/span>\u7684\u7406\u89e3\u4ee5\u53ca\u8c08\u8c08\u6211\u5bf9<\/span>Spring Ioc<\/span>\u7684\u7406\u89e3\u3002<\/span>\u00a0<\/span><\/p>\n

\u5b66\u4e60\u8fc7<\/span>Spring<\/span>\u6846\u67b6\u7684\u4eba\u4e00\u5b9a\u90fd\u4f1a\u542c\u8fc7<\/span>Spring<\/span>\u7684<\/span>IoC(<\/span>\u63a7\u5236\u53cd\u8f6c<\/span>) <\/span>\u3001<\/span>DI(<\/span>\u4f9d\u8d56\u6ce8\u5165<\/span>)<\/span>\u8fd9\u4e24\u4e2a\u6982\u5ff5\uff0c\u5bf9\u4e8e\u521d\u5b66<\/span>Spring<\/span>\u7684\u4eba\u6765\u8bf4\uff0c\u603b\u89c9\u5f97<\/span>IoC <\/span>\u3001<\/span>DI<\/span>\u8fd9\u4e24\u4e2a\u6982\u5ff5\u662f\u6a21\u7cca\u4e0d\u6e05\u7684\uff0c\u662f\u5f88\u96be\u7406\u89e3\u7684\uff0c\u4eca\u5929\u548c\u5927\u5bb6\u5206\u4eab\u7f51\u4e0a\u7684\u4e00\u4e9b\u6280\u672f\u5927\u725b\u4eec\u5bf9<\/span>Spring<\/span>\u6846\u67b6\u7684<\/span>IOC<\/span>\u7684\u7406\u89e3\u4ee5\u53ca\u8c08\u8c08\u6211\u5bf9<\/span>Spring Ioc<\/span>\u7684\u7406\u89e3\u3002<\/span><\/p>\n

1.1<\/strong><\/span>\u3001<\/strong><\/span>IoC<\/strong><\/span>\u662f\u4ec0\u4e48<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>Ioc\u2014Inversion of Control<\/strong><\/span>\uff0c\u5373<\/strong><\/span>\u201c<\/strong><\/span>\u63a7\u5236\u53cd\u8f6c<\/strong><\/span>\u201d<\/strong><\/span>\uff0c\u4e0d\u662f\u4ec0\u4e48\u6280\u672f\uff0c\u800c\u662f\u4e00\u79cd\u8bbe\u8ba1\u601d\u60f3\u3002<\/strong><\/span>\u5728<\/span>Java<\/span>\u5f00\u53d1\u4e2d\uff0c<\/span>Ioc<\/strong><\/span>\u610f\u5473\u7740\u5c06\u4f60\u8bbe\u8ba1\u597d\u7684\u5bf9\u8c61\u4ea4\u7ed9\u5bb9\u5668\u63a7\u5236\uff0c\u800c\u4e0d\u662f\u4f20\u7edf\u7684\u5728\u4f60\u7684\u5bf9\u8c61\u5185\u90e8\u76f4\u63a5\u63a7\u5236\u3002<\/strong><\/span>\u5982\u4f55\u7406\u89e3\u597d<\/span>Ioc<\/span>\u5462\uff1f\u7406\u89e3\u597d<\/span>Ioc<\/span>\u7684\u5173\u952e\u662f\u8981\u660e\u786e<\/span>\u201c<\/span>\u8c01\u63a7\u5236\u8c01\uff0c\u63a7\u5236\u4ec0\u4e48\uff0c\u4e3a\u4f55\u662f\u53cd\u8f6c\uff08\u6709\u53cd\u8f6c\u5c31\u5e94\u8be5\u6709\u6b63\u8f6c\u4e86\uff09\uff0c\u54ea\u4e9b\u65b9\u9762\u53cd\u8f6c\u4e86<\/span>\u201d<\/span>\uff0c\u90a3\u6211\u4eec\u6765\u6df1\u5165\u5206\u6790\u4e00\u4e0b\uff1a<\/span><\/p>\n

\u3000\u3000<\/span>\u25cf<\/span>\u8c01\u63a7\u5236\u8c01\uff0c\u63a7\u5236\u4ec0\u4e48<\/strong><\/span>\uff1a<\/strong>\u4f20\u7edf<\/span>Java SE<\/span>\u7a0b\u5e8f\u8bbe\u8ba1\uff0c\u6211\u4eec\u76f4\u63a5\u5728\u5bf9\u8c61\u5185\u90e8\u901a\u8fc7<\/span>new<\/span>\u8fdb\u884c\u521b\u5efa\u5bf9\u8c61\uff0c\u662f\u7a0b\u5e8f\u4e3b\u52a8\u53bb\u521b\u5efa\u4f9d\u8d56\u5bf9\u8c61\uff1b\u800c<\/span>IoC<\/span>\u662f\u6709\u4e13\u95e8\u4e00\u4e2a\u5bb9\u5668\u6765\u521b\u5efa\u8fd9\u4e9b\u5bf9\u8c61\uff0c\u5373\u7531<\/span>Ioc<\/span>\u5bb9\u5668\u6765\u63a7\u5236\u5bf9<\/span> \u8c61\u7684\u521b\u5efa\uff1b<\/span>\u8c01\u63a7\u5236\u8c01\uff1f\u5f53\u7136\u662f<\/strong><\/span>IoC <\/strong><\/span>\u5bb9\u5668\u63a7\u5236\u4e86\u5bf9\u8c61\uff1b\u63a7\u5236\u4ec0\u4e48\uff1f\u90a3\u5c31\u662f\u4e3b\u8981\u63a7\u5236\u4e86\u5916\u90e8\u8d44\u6e90\u83b7\u53d6\uff08\u4e0d\u53ea\u662f\u5bf9\u8c61\u5305\u62ec\u6bd4\u5982\u6587\u4ef6\u7b49\uff09<\/strong><\/span>\u3002<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>\u25cf<\/span>\u4e3a\u4f55\u662f\u53cd\u8f6c\uff0c\u54ea\u4e9b\u65b9\u9762\u53cd\u8f6c\u4e86<\/strong><\/span>\uff1a<\/strong>\u6709\u53cd\u8f6c\u5c31\u6709\u6b63\u8f6c\uff0c\u4f20\u7edf\u5e94\u7528\u7a0b\u5e8f\u662f\u7531\u6211\u4eec\u81ea\u5df1\u5728\u5bf9\u8c61\u4e2d\u4e3b\u52a8\u63a7\u5236\u53bb\u76f4\u63a5\u83b7\u53d6\u4f9d\u8d56\u5bf9\u8c61\uff0c\u4e5f\u5c31\u662f\u6b63\u8f6c\uff1b\u800c\u53cd\u8f6c\u5219\u662f\u7531\u5bb9\u5668\u6765\u5e2e\u5fd9\u521b\u5efa\u53ca\u6ce8\u5165\u4f9d\u8d56\u5bf9\u8c61\uff1b\u4e3a\u4f55\u662f\u53cd\u8f6c\uff1f<\/span>\u56e0\u4e3a\u7531\u5bb9\u5668\u5e2e\u6211\u4eec\u67e5\u627e\u53ca\u6ce8\u5165\u4f9d\u8d56\u5bf9\u8c61\uff0c\u5bf9\u8c61\u53ea\u662f\u88ab\u52a8\u7684\u63a5\u53d7\u4f9d\u8d56\u5bf9\u8c61\uff0c\u6240\u4ee5\u662f\u53cd\u8f6c\uff1b\u54ea\u4e9b\u65b9\u9762\u53cd\u8f6c\u4e86\uff1f\u4f9d\u8d56\u5bf9\u8c61\u7684\u83b7\u53d6\u88ab\u53cd\u8f6c\u4e86\u3002<\/strong><\/span><\/p>\n

\u3000\u3000\u7528\u56fe\u4f8b\u8bf4\u660e\u4e00\u4e0b\uff0c\u4f20\u7edf\u7a0b\u5e8f\u8bbe\u8ba1\u5982\u56fe<\/span>2-1<\/span>\uff0c\u90fd\u662f\u4e3b\u52a8\u53bb\u521b\u5efa\u76f8\u5173\u5bf9\u8c61\u7136\u540e\u518d\u7ec4\u5408\u8d77\u6765\uff1a<\/span><\/p>\n

\u7528\u56fe\u4f8b\u8bf4\u660e\u4e00\u4e0b\uff0c\u4f20\u7edf\u7a0b\u5e8f\u8bbe\u8ba1\u5982\u56fe<\/span>2-1<\/span>\uff0c\u90fd\u662f\u4e3b\u52a8\u53bb\u521b\u5efa\u76f8\u5173\u5bf9\u8c61\u7136\u540e\u518d\u7ec4\u5408\u8d77\u6765\uff1a<\/span><\/p>\n

\n

\u56fe<\/span>1-1 <\/span>\u4f20\u7edf\u5e94\u7528\u7a0b\u5e8f\u793a\u610f\u56fe<\/span><\/p>\n

\u3000\u3000\u5f53\u6709\u4e86<\/span>IoC\/DI<\/span>\u7684\u5bb9\u5668\u540e\uff0c\u5728\u5ba2\u6237\u7aef\u7c7b\u4e2d\u4e0d\u518d\u4e3b\u52a8\u53bb\u521b\u5efa\u8fd9\u4e9b\u5bf9\u8c61\u4e86<\/span><\/p>\n

1.2<\/strong><\/span>\u3001<\/strong><\/span>IoC<\/strong><\/span>\u80fd\u505a\u4ec0\u4e48<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>IoC <\/span>\u4e0d\u662f\u4e00\u79cd\u6280\u672f\uff0c\u53ea\u662f\u4e00\u79cd\u601d\u60f3\uff0c\u4e00\u4e2a\u91cd\u8981\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6cd5\u5219\uff0c\u5b83\u80fd\u6307\u5bfc\u6211\u4eec\u5982\u4f55\u8bbe\u8ba1\u51fa\u677e\u8026\u5408\u3001\u66f4\u4f18\u826f\u7684\u7a0b\u5e8f\u3002\u4f20\u7edf\u5e94\u7528\u7a0b\u5e8f\u90fd\u662f\u7531\u6211\u4eec\u5728\u7c7b\u5185\u90e8\u4e3b\u52a8\u521b\u5efa\u4f9d\u8d56\u5bf9\u8c61\uff0c\u4ece\u800c\u5bfc\u81f4\u7c7b\u4e0e\u7c7b\u4e4b\u95f4\u9ad8\u8026\u5408\uff0c\u96be\u4e8e\u6d4b\u8bd5\uff1b\u6709\u4e86<\/span>IoC<\/span>\u5bb9\u5668\u540e\uff0c\u628a\u521b\u5efa\u548c\u67e5\u627e\u4f9d\u8d56\u5bf9\u8c61\u7684\u63a7\u5236\u6743\u4ea4\u7ed9\u4e86\u5bb9\u5668\uff0c\u7531\u5bb9\u5668\u8fdb\u884c\u6ce8\u5165\u7ec4\u5408\u5bf9\u8c61\uff0c\u6240\u4ee5\u5bf9\u8c61\u4e0e\u5bf9\u8c61\u4e4b\u95f4\u662f<\/span> \u677e\u6563\u8026\u5408\uff0c\u8fd9\u6837\u4e5f\u65b9\u4fbf\u6d4b\u8bd5\uff0c\u5229\u4e8e\u529f\u80fd\u590d\u7528\uff0c\u66f4\u91cd\u8981\u7684\u662f\u4f7f\u5f97\u7a0b\u5e8f\u7684\u6574\u4e2a\u4f53\u7cfb\u7ed3\u6784\u53d8\u5f97\u975e\u5e38\u7075\u6d3b\u3002<\/span><\/p>\n

\u3000\u3000\u5176\u5b9e<\/span>IoC<\/strong><\/span>\u5bf9\u7f16\u7a0b\u5e26\u6765\u7684\u6700\u5927\u6539\u53d8\u4e0d\u662f\u4ece\u4ee3\u7801\u4e0a\uff0c\u800c\u662f\u4ece\u601d\u60f3\u4e0a\uff0c\u53d1\u751f\u4e86<\/strong><\/span>\u201c<\/strong><\/span>\u4e3b\u4ece\u6362\u4f4d<\/strong><\/span>\u201d<\/strong><\/span>\u7684\u53d8\u5316\u3002\u5e94\u7528\u7a0b\u5e8f\u539f\u672c\u662f\u8001\u5927\uff0c\u8981\u83b7\u53d6\u4ec0\u4e48\u8d44\u6e90\u90fd\u662f\u4e3b\u52a8\u51fa\u51fb\uff0c\u4f46\u662f\u5728<\/strong><\/span>IoC\/DI<\/strong><\/span>\u601d\u60f3\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u5c31\u53d8\u6210\u88ab\u52a8\u7684\u4e86\uff0c\u88ab\u52a8\u7684\u7b49\u5f85<\/strong><\/span>IoC<\/strong><\/span>\u5bb9\u5668\u6765\u521b\u5efa\u5e76\u6ce8\u5165\u5b83\u6240\u9700\u8981\u7684\u8d44\u6e90\u4e86\u3002<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>IoC<\/strong><\/span>\u5f88\u597d\u7684\u4f53\u73b0\u4e86\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u6cd5\u5219\u4e4b\u4e00<\/strong><\/span>\u2014\u2014 <\/strong><\/span>\u597d\u83b1\u575e\u6cd5\u5219\uff1a<\/strong><\/span>\u201c<\/strong><\/span>\u522b\u627e\u6211\u4eec\uff0c\u6211\u4eec\u627e\u4f60<\/strong><\/span>\u201d<\/strong><\/span>\uff1b\u5373\u7531<\/strong><\/span>IoC<\/strong><\/span>\u5bb9\u5668\u5e2e\u5bf9\u8c61\u627e\u76f8\u5e94\u7684\u4f9d\u8d56\u5bf9\u8c61\u5e76\u6ce8\u5165\uff0c\u800c\u4e0d\u662f\u7531\u5bf9\u8c61\u4e3b\u52a8\u53bb\u627e\u3002<\/strong><\/span><\/p>\n

1.3<\/strong><\/span>\u3001<\/strong><\/span>IoC<\/strong><\/span>\u548c<\/strong><\/span>DI<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>DI\u2014Dependency Injection<\/strong><\/span>\uff0c\u5373<\/strong><\/span>\u201c<\/strong><\/span>\u4f9d\u8d56\u6ce8\u5165<\/strong><\/span>\u201d<\/strong><\/span>\uff1a<\/span>\u7ec4\u4ef6\u4e4b\u95f4\u4f9d\u8d56\u5173\u7cfb<\/strong><\/span>\u7531\u5bb9\u5668\u5728\u8fd0\u884c\u671f\u51b3\u5b9a\uff0c\u5f62\u8c61\u7684\u8bf4\uff0c\u5373<\/span>\u7531\u5bb9\u5668\u52a8\u6001\u7684\u5c06\u67d0\u4e2a\u4f9d\u8d56\u5173\u7cfb\u6ce8\u5165\u5230\u7ec4\u4ef6\u4e4b\u4e2d<\/strong><\/span>\u3002<\/span>\u4f9d\u8d56\u6ce8\u5165\u7684\u76ee\u7684\u5e76\u975e\u4e3a\u8f6f\u4ef6\u7cfb\u7edf\u5e26\u6765\u66f4\u591a\u529f\u80fd\uff0c\u800c\u662f\u4e3a\u4e86\u63d0\u5347\u7ec4\u4ef6\u91cd\u7528\u7684\u9891\u7387\uff0c\u5e76\u4e3a\u7cfb\u7edf\u642d\u5efa\u4e00\u4e2a\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u7684\u5e73\u53f0\u3002<\/strong><\/span>\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\u673a\u5236\uff0c\u6211\u4eec\u53ea\u9700\u8981\u901a\u8fc7\u7b80\u5355\u7684\u914d\u7f6e\uff0c\u800c\u65e0\u9700\u4efb\u4f55\u4ee3\u7801\u5c31\u53ef\u6307\u5b9a\u76ee\u6807\u9700\u8981\u7684\u8d44\u6e90\uff0c\u5b8c\u6210\u81ea\u8eab\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u800c\u4e0d\u9700\u8981\u5173\u5fc3\u5177\u4f53\u7684\u8d44\u6e90\u6765\u81ea\u4f55\u5904\uff0c\u7531\u8c01\u5b9e\u73b0\u3002<\/span><\/p>\n

\u3000\u3000\u7406\u89e3<\/span>DI<\/span>\u7684\u5173\u952e\u662f\uff1a<\/span>\u201c<\/span>\u8c01\u4f9d\u8d56\u8c01\uff0c\u4e3a\u4ec0\u4e48\u9700\u8981\u4f9d\u8d56\uff0c\u8c01\u6ce8\u5165\u8c01\uff0c\u6ce8\u5165\u4e86\u4ec0\u4e48<\/span>\u201d<\/span>\uff0c\u90a3\u6211\u4eec\u6765\u6df1\u5165\u5206\u6790\u4e00\u4e0b\uff1a<\/span><\/p>\n

\u3000\u3000<\/span>\u25cf<\/span>\u8c01\u4f9d\u8d56\u4e8e\u8c01\uff1a<\/strong>\u5f53\u7136\u662f<\/span>\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u4e8e<\/strong><\/span>IoC<\/strong><\/span>\u5bb9\u5668<\/strong><\/span>\uff1b<\/span><\/p>\n

\u3000\u3000<\/span>\u25cf<\/span>\u4e3a\u4ec0\u4e48\u9700\u8981\u4f9d\u8d56\uff1a<\/strong><\/span>\u5e94\u7528\u7a0b\u5e8f\u9700\u8981<\/strong><\/span>IoC<\/strong><\/span>\u5bb9\u5668\u6765\u63d0\u4f9b\u5bf9\u8c61\u9700\u8981\u7684\u5916\u90e8\u8d44\u6e90<\/strong><\/span>\uff1b<\/span><\/p>\n

\u3000\u3000<\/span>\u25cf<\/span>\u8c01\u6ce8\u5165\u8c01\uff1a<\/strong>\u5f88\u660e\u663e\u662f<\/span>IoC<\/strong><\/span>\u5bb9\u5668\u6ce8\u5165\u5e94\u7528\u7a0b\u5e8f\u67d0\u4e2a\u5bf9\u8c61\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u7684\u5bf9\u8c61<\/strong><\/span>\uff1b<\/span><\/p>\n

\u3000\u3000<\/strong><\/span>\u25cf<\/strong><\/span>\u6ce8\u5165\u4e86\u4ec0\u4e48\uff1a<\/strong>\u5c31\u662f<\/span>\u6ce8\u5165\u67d0\u4e2a\u5bf9\u8c61\u6240\u9700\u8981\u7684\u5916\u90e8\u8d44\u6e90\uff08\u5305\u62ec\u5bf9\u8c61\u3001\u8d44\u6e90\u3001\u5e38\u91cf\u6570\u636e\uff09<\/strong><\/span>\u3002<\/span><\/p>\n

\u3000\u3000<\/span>IoC<\/strong><\/span>\u548c<\/strong><\/span>DI<\/strong><\/span>\u7531\u4ec0\u4e48<\/span>\u5173\u7cfb<\/strong><\/span>\u5462\uff1f\u5176\u5b9e\u5b83\u4eec<\/span>\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u7684\u4e0d\u540c\u89d2\u5ea6\u63cf\u8ff0<\/strong><\/span>\uff0c\u7531\u4e8e\u63a7\u5236\u53cd\u8f6c\u6982\u5ff5\u6bd4\u8f83\u542b\u7cca\uff08\u53ef\u80fd\u53ea\u662f\u7406\u89e3\u4e3a\u5bb9\u5668\u63a7\u5236\u5bf9\u8c61\u8fd9\u4e00\u4e2a\u5c42\u9762\uff0c\u5f88\u96be\u8ba9\u4eba\u60f3\u5230\u8c01\u6765\u7ef4\u62a4\u5bf9\u8c61\u5173\u7cfb\uff09\uff0c\u6240\u4ee5<\/span>2004<\/span>\u5e74\u5927\u5e08\u7ea7\u4eba\u7269<\/span>Martin Fowler<\/span>\u53c8\u7ed9\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u540d\u5b57\uff1a<\/span>\u201c<\/span>\u4f9d\u8d56\u6ce8\u5165<\/span>\u201d<\/span>\uff0c\u76f8\u5bf9<\/span>IoC <\/span>\u800c\u8a00\uff0c<\/span>\u201c<\/strong><\/span>\u4f9d\u8d56\u6ce8\u5165<\/strong><\/span>\u201d<\/strong><\/span>\u660e\u786e\u63cf\u8ff0\u4e86<\/strong><\/span>\u201c<\/strong><\/span>\u88ab\u6ce8\u5165\u5bf9\u8c61\u4f9d\u8d56<\/strong><\/span>IoC<\/strong><\/span>\u5bb9\u5668\u914d\u7f6e\u4f9d\u8d56\u5bf9\u8c61<\/strong><\/span>\u201d<\/strong><\/span>\u3002<\/strong><\/span><\/p>\n

\n

\u4e8c\u3001\u5206\u4eab<\/strong><\/span>Bromon<\/strong><\/span>\u7684<\/strong><\/span>blog<\/strong><\/span>\u4e0a\u5bf9<\/strong><\/span>IoC<\/strong><\/span>\u4e0e<\/strong><\/span>DI<\/strong><\/span>\u6d45\u663e\u6613\u61c2\u7684\u8bb2\u89e3<\/strong><\/span><\/p>\n

2.1<\/strong><\/span>\u3001<\/strong><\/span>IoC(<\/strong><\/span>\u63a7\u5236\u53cd\u8f6c<\/strong><\/span>)<\/strong><\/span><\/p>\n

\u3000\u3000\u9996\u5148\u60f3\u8bf4\u8bf4<\/span>IoC<\/strong><\/span>\uff08<\/strong><\/span>Inversion of Control<\/strong><\/span>\uff0c\u63a7\u5236\u53cd\u8f6c\uff09<\/strong><\/span>\u3002\u8fd9\u662f<\/span>spring<\/strong><\/span>\u7684\u6838\u5fc3<\/strong><\/span>\uff0c\u8d2f\u7a7f\u59cb\u7ec8\u3002<\/span>\u6240\u8c13<\/strong><\/span>IoC<\/strong><\/span>\uff0c\u5bf9\u4e8e<\/strong><\/span>spring<\/strong><\/span>\u6846\u67b6\u6765\u8bf4\uff0c\u5c31\u662f\u7531<\/strong><\/span>spring<\/strong><\/span>\u6765\u8d1f\u8d23\u63a7\u5236\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u548c\u5bf9\u8c61\u95f4\u7684\u5173\u7cfb\u3002<\/strong><\/span>\u8fd9\u662f\u4ec0\u4e48\u610f\u601d\u5462\uff0c\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u662f\u5982\u4f55\u627e\u5973\u670b\u53cb\u7684\uff1f\u5e38\u89c1\u7684\u60c5\u51b5\u662f\uff0c\u6211\u4eec\u5230\u5904\u53bb\u770b\u54ea\u91cc\u6709\u957f\u5f97\u6f02\u4eae\u8eab\u6750\u53c8\u597d\u7684<\/span>mm<\/span>\uff0c\u7136\u540e\u6253\u542c\u5979\u4eec\u7684\u5174\u8da3\u7231\u597d\u3001<\/span>qq<\/span>\u53f7\u3001\u7535\u8bdd\u53f7\u3001<\/span>ip<\/span>\u53f7\u3001<\/span>iq<\/span>\u53f7<\/span>\u2026\u2026\u2026<\/span>\uff0c\u60f3\u529e\u6cd5\u8ba4\u8bc6\u5979\u4eec\uff0c\u6295\u5176\u6240\u597d\u9001\u5176\u6240\u8981\uff0c\u7136\u540e\u563f\u563f<\/span>\u2026\u2026<\/span>\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u590d\u6742\u6df1\u5965\u7684\uff0c\u6211\u4eec\u5fc5\u987b\u81ea\u5df1\u8bbe\u8ba1\u548c\u9762\u5bf9\u6bcf\u4e2a\u73af\u8282\u3002\u4f20\u7edf\u7684\u7a0b\u5e8f\u5f00\u53d1\u4e5f\u662f\u5982\u6b64\uff0c\u5728\u4e00\u4e2a\u5bf9\u8c61\u4e2d\uff0c\u5982\u679c\u8981\u4f7f\u7528\u53e6\u5916\u7684\u5bf9\u8c61\uff0c\u5c31\u5fc5\u987b\u5f97\u5230\u5b83\uff08\u81ea\u5df1<\/span>new<\/span>\u4e00\u4e2a\uff0c\u6216\u8005\u4ece<\/span>JNDI<\/span>\u4e2d\u67e5\u8be2\u4e00\u4e2a\uff09\uff0c\u4f7f\u7528\u5b8c\u4e4b\u540e\u8fd8\u8981\u5c06\u5bf9\u8c61\u9500\u6bc1\uff08\u6bd4\u5982<\/span>Connection<\/span>\u7b49\uff09\uff0c\u5bf9\u8c61\u59cb\u7ec8\u4f1a\u548c\u5176\u4ed6\u7684\u63a5\u53e3\u6216\u7c7b\u85d5\u5408\u8d77\u6765\u3002<\/span><\/p>\n

\u3000\u3000\u90a3\u4e48<\/span>IoC<\/span>\u662f\u5982\u4f55\u505a\u7684\u5462\uff1f\u6709\u70b9\u50cf\u901a\u8fc7\u5a5a\u4ecb\u627e\u5973\u670b\u53cb\uff0c\u5728\u6211\u548c\u5973\u670b\u53cb\u4e4b\u95f4\u5f15\u5165\u4e86\u4e00\u4e2a\u7b2c\u4e09\u8005\uff1a\u5a5a\u59fb\u4ecb\u7ecd\u6240\u3002\u5a5a\u4ecb\u7ba1\u7406\u4e86\u5f88\u591a\u7537\u7537\u5973\u5973\u7684\u8d44\u6599\uff0c\u6211\u53ef\u4ee5\u5411\u5a5a\u4ecb\u63d0\u51fa\u4e00\u4e2a\u5217\u8868\uff0c\u544a\u8bc9\u5b83\u6211\u60f3\u627e\u4e2a\u4ec0\u4e48\u6837\u7684\u5973\u670b\u53cb\uff0c\u6bd4\u5982\u957f\u5f97\u50cf\u674e\u5609\u6b23\uff0c\u8eab\u6750\u50cf\u6797\u7199\u96f7\uff0c\u5531\u6b4c\u50cf\u5468\u6770\u4f26\uff0c\u901f\u5ea6\u50cf\u5361\u6d1b\u65af\uff0c\u6280\u672f\u50cf\u9f50\u8fbe\u5185\u4e4b\u7c7b\u7684\uff0c\u7136\u540e\u5a5a\u4ecb\u5c31\u4f1a\u6309\u7167\u6211\u4eec\u7684\u8981\u6c42\uff0c\u63d0\u4f9b\u4e00\u4e2a<\/span>mm<\/span>\uff0c\u6211\u4eec\u53ea\u9700\u8981\u53bb\u548c\u5979\u8c08\u604b\u7231\u3001\u7ed3\u5a5a\u5c31\u884c\u4e86\u3002\u7b80\u5355\u660e\u4e86\uff0c\u5982\u679c\u5a5a\u4ecb\u7ed9\u6211\u4eec\u7684\u4eba\u9009\u4e0d\u7b26\u5408\u8981\u6c42\uff0c\u6211\u4eec\u5c31\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\u6574\u4e2a\u8fc7\u7a0b\u4e0d\u518d\u7531\u6211\u81ea\u5df1\u63a7\u5236\uff0c\u800c\u662f\u6709\u5a5a\u4ecb\u8fd9\u6837\u4e00\u4e2a\u7c7b\u4f3c\u5bb9\u5668\u7684\u673a\u6784\u6765\u63a7\u5236\u3002<\/span>Spring<\/strong><\/span>\u6240\u5021\u5bfc\u7684\u5f00\u53d1\u65b9\u5f0f<\/strong><\/span>\u5c31\u662f\u5982\u6b64\uff0c<\/span>\u6240\u6709\u7684\u7c7b\u90fd\u4f1a\u5728<\/strong><\/span>spring<\/strong><\/span>\u5bb9\u5668\u4e2d\u767b\u8bb0\uff0c\u544a\u8bc9<\/strong><\/span>spring<\/strong><\/span>\u4f60\u662f\u4e2a\u4ec0\u4e48\u4e1c\u897f\uff0c\u4f60\u9700\u8981\u4ec0\u4e48\u4e1c\u897f\uff0c\u7136\u540e<\/strong><\/span>spring<\/strong><\/span>\u4f1a\u5728\u7cfb\u7edf\u8fd0\u884c\u5230\u9002\u5f53\u7684\u65f6\u5019\uff0c\u628a\u4f60\u8981\u7684\u4e1c\u897f\u4e3b\u52a8\u7ed9\u4f60\uff0c\u540c\u65f6\u4e5f\u628a\u4f60\u4ea4\u7ed9\u5176\u4ed6\u9700\u8981\u4f60\u7684\u4e1c\u897f\u3002\u6240\u6709\u7684\u7c7b\u7684\u521b\u5efa\u3001\u9500\u6bc1\u90fd\u7531<\/strong><\/span>\u00a0spring<\/strong><\/span>\u6765\u63a7\u5236\uff0c\u4e5f\u5c31\u662f\u8bf4\u63a7\u5236\u5bf9\u8c61\u751f\u5b58\u5468\u671f\u7684\u4e0d\u518d\u662f\u5f15\u7528\u5b83\u7684\u5bf9\u8c61\uff0c\u800c\u662f<\/strong><\/span>spring<\/strong><\/span>\u3002\u5bf9\u4e8e\u67d0\u4e2a\u5177\u4f53\u7684\u5bf9\u8c61\u800c\u8a00\uff0c\u4ee5\u524d\u662f\u5b83\u63a7\u5236\u5176\u4ed6\u5bf9\u8c61\uff0c\u73b0\u5728\u662f\u6240\u6709\u5bf9\u8c61\u90fd\u88ab<\/strong><\/span>spring<\/strong><\/span>\u63a7\u5236\uff0c\u6240\u4ee5\u8fd9\u53eb\u63a7\u5236\u53cd\u8f6c\u3002<\/strong><\/span><\/p>\n

2.2<\/strong><\/span>\u3001<\/strong><\/span>DI(<\/strong><\/span>\u4f9d\u8d56\u6ce8\u5165<\/strong><\/span>)<\/strong><\/span><\/p>\n

\u3000\u3000<\/span>IoC<\/strong><\/span>\u7684\u4e00\u4e2a\u91cd\u70b9\u662f\u5728\u7cfb\u7edf\u8fd0\u884c\u4e2d\uff0c\u52a8\u6001\u7684\u5411\u67d0\u4e2a\u5bf9\u8c61\u63d0\u4f9b\u5b83\u6240\u9700\u8981\u7684\u5176\u4ed6\u5bf9\u8c61\u3002\u8fd9\u4e00\u70b9\u662f\u901a\u8fc7<\/strong><\/span>DI<\/strong><\/span>\uff08<\/strong><\/span>Dependency Injection<\/strong><\/span>\uff0c\u4f9d\u8d56\u6ce8\u5165\uff09\u6765\u5b9e\u73b0\u7684<\/strong><\/span>\u3002\u6bd4\u5982\u5bf9\u8c61<\/span>A<\/span>\u9700\u8981\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4ee5\u524d\u6211\u4eec\u603b\u662f\u8981\u5728<\/span>A<\/span>\u4e2d\u81ea\u5df1\u7f16\u5199\u4ee3\u7801\u6765\u83b7\u5f97\u4e00\u4e2a<\/span>Connection<\/span>\u5bf9\u8c61\uff0c\u6709\u4e86<\/span>\u00a0spring<\/span>\u6211\u4eec\u5c31\u53ea\u9700\u8981\u544a\u8bc9<\/span>spring<\/span>\uff0c<\/span>A<\/span>\u4e2d\u9700\u8981\u4e00\u4e2a<\/span>Connection<\/span>\uff0c\u81f3\u4e8e\u8fd9\u4e2a<\/span>Connection<\/span>\u600e\u4e48\u6784\u9020\uff0c\u4f55\u65f6\u6784\u9020\uff0c<\/span>A<\/span>\u4e0d\u9700\u8981\u77e5\u9053\u3002\u5728\u7cfb\u7edf\u8fd0\u884c\u65f6\uff0c<\/span>spring<\/span>\u4f1a\u5728\u9002\u5f53\u7684\u65f6\u5019\u5236\u9020\u4e00\u4e2a<\/span>Connection<\/span>\uff0c\u7136\u540e\u50cf\u6253\u9488\u4e00\u6837\uff0c\u6ce8\u5c04\u5230<\/span>A<\/span>\u5f53\u4e2d\uff0c\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u5bf9\u5404\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u5173\u7cfb\u7684\u63a7\u5236\u3002<\/span>A<\/span>\u9700\u8981\u4f9d\u8d56<\/span>\u00a0Connection<\/span>\u624d\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u800c\u8fd9\u4e2a<\/span>Connection<\/span>\u662f\u7531<\/span>spring<\/span>\u6ce8\u5165\u5230<\/span>A<\/span>\u4e2d\u7684\uff0c\u4f9d\u8d56\u6ce8\u5165\u7684\u540d\u5b57\u5c31\u8fd9\u4e48\u6765\u7684\u3002\u90a3\u4e48<\/span>DI<\/span>\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u5462\uff1f<\/span>\u00a0Java 1.3<\/span>\u4e4b\u540e\u4e00\u4e2a\u91cd\u8981\u7279\u5f81\u662f\u53cd\u5c04\uff08<\/span>reflection<\/span>\uff09\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u5728\u8fd0\u884c\u7684\u65f6\u5019\u52a8\u6001\u7684\u751f\u6210\u5bf9\u8c61\u3001\u6267\u884c\u5bf9\u8c61\u7684\u65b9\u6cd5\u3001\u6539\u53d8\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c<\/span>spring<\/span>\u5c31\u662f\u901a\u8fc7\u53cd\u5c04\u6765\u5b9e\u73b0\u6ce8\u5165\u7684\u3002<\/span><\/p>\n

\u3000\u3000\u7406\u89e3\u4e86<\/span>IoC<\/span>\u548c<\/span>DI<\/span>\u7684\u6982\u5ff5\u540e\uff0c\u4e00\u5207\u90fd\u5c06\u53d8\u5f97\u7b80\u5355\u660e\u4e86\uff0c\u5269\u4e0b\u7684\u5de5\u4f5c\u53ea\u662f\u5728<\/span>spring<\/span>\u7684\u6846\u67b6\u4e2d\u5806\u79ef\u6728\u800c\u5df2\u3002<\/span><\/p>\n

\u4e09\u3001\u6211\u5bf9<\/strong><\/span>IoC<\/strong><\/span>(<\/strong><\/span>\u63a7\u5236\u53cd\u8f6c<\/strong><\/span>)<\/strong><\/span>\u548c<\/strong><\/span>DI<\/strong><\/span>(<\/strong><\/span>\u4f9d\u8d56\u6ce8\u5165<\/strong><\/span>)<\/strong><\/span>\u7684\u7406\u89e3<\/strong><\/span><\/p>\n

\u3000\u3000\u5728\u5e73\u65f6\u7684<\/span>java<\/span>\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u8981\u5b9e\u73b0\u67d0\u4e00\u4e2a\u529f\u80fd\u6216\u8005\u8bf4\u662f\u5b8c\u6210\u67d0\u4e2a\u4e1a\u52a1\u903b\u8f91\u65f6\u81f3\u5c11\u9700\u8981\u4e24\u4e2a\u6216\u4ee5\u4e0a\u7684\u5bf9\u8c61\u6765\u534f\u4f5c\u5b8c\u6210\uff0c\u5728\u6ca1\u6709\u4f7f\u7528<\/span>Spring<\/span>\u7684\u65f6\u5019\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u5728\u9700\u8981\u4f7f\u7528\u4ed6\u7684\u5408\u4f5c\u5bf9\u8c61\u65f6\uff0c\u81ea\u5df1\u5747\u8981\u4f7f\u7528\u50cf<\/span>new object() <\/span>\u8fd9\u6837\u7684\u8bed\u6cd5\u6765\u5c06\u5408\u4f5c\u5bf9\u8c61\u521b\u5efa\u51fa\u6765\uff0c\u8fd9\u4e2a\u5408\u4f5c\u5bf9\u8c61\u662f\u7531\u81ea\u5df1\u4e3b\u52a8\u521b\u5efa\u51fa\u6765\u7684\uff0c\u521b\u5efa\u5408\u4f5c\u5bf9\u8c61\u7684\u4e3b\u52a8\u6743\u5728\u81ea\u5df1\u624b\u4e0a\uff0c\u81ea\u5df1\u9700\u8981\u54ea\u4e2a\u5408\u4f5c\u5bf9\u8c61\uff0c\u5c31\u4e3b\u52a8\u53bb\u521b\u5efa\uff0c\u521b\u5efa\u5408\u4f5c\u5bf9\u8c61\u7684\u4e3b\u52a8\u6743\u548c\u521b\u5efa\u65f6\u673a\u662f\u7531\u81ea\u5df1\u628a\u63a7\u7684\uff0c\u800c\u8fd9\u6837\u5c31\u4f1a\u4f7f\u5f97\u5bf9\u8c61\u95f4\u7684\u8026\u5408\u5ea6\u9ad8\u4e86\uff0c<\/span>A<\/span>\u5bf9\u8c61\u9700\u8981\u4f7f\u7528\u5408\u4f5c\u5bf9\u8c61<\/span>B<\/span>\u6765\u5171\u540c\u5b8c\u6210\u4e00\u4ef6\u4e8b\uff0c<\/span>A<\/span>\u8981\u4f7f\u7528<\/span>B<\/span>\uff0c\u90a3\u4e48<\/span>A<\/span>\u5c31\u5bf9<\/span>B<\/span>\u4ea7\u751f\u4e86\u4f9d\u8d56\uff0c\u4e5f\u5c31\u662f<\/span>A<\/span>\u548c<\/span>B<\/span>\u4e4b\u95f4\u5b58\u5728\u4e00\u79cd\u8026\u5408\u5173\u7cfb\uff0c\u5e76\u4e14\u662f\u7d27\u5bc6\u8026\u5408\u5728\u4e00\u8d77\uff0c\u800c\u4f7f\u7528\u4e86<\/span>Spring<\/span>\u4e4b\u540e\u5c31\u4e0d\u4e00\u6837\u4e86\uff0c\u521b\u5efa\u5408\u4f5c\u5bf9\u8c61<\/span>B<\/span>\u7684\u5de5\u4f5c\u662f\u7531<\/span>Spring<\/span>\u6765\u505a\u7684\uff0c<\/span>Spring<\/span>\u521b\u5efa\u597d<\/span>B<\/span>\u5bf9\u8c61\uff0c\u7136\u540e\u5b58\u50a8\u5230\u4e00\u4e2a\u5bb9\u5668\u91cc\u9762\uff0c\u5f53<\/span>A<\/span>\u5bf9\u8c61\u9700\u8981\u4f7f\u7528<\/span>B<\/span>\u5bf9\u8c61\u65f6\uff0c<\/span>Spring<\/span>\u5c31\u4ece\u5b58\u653e\u5bf9\u8c61\u7684\u90a3\u4e2a\u5bb9\u5668\u91cc\u9762\u53d6\u51fa<\/span>A<\/span>\u8981\u4f7f\u7528\u7684\u90a3\u4e2a<\/span>B<\/span>\u5bf9\u8c61\uff0c\u7136\u540e\u4ea4\u7ed9<\/span>A<\/span>\u5bf9\u8c61\u4f7f\u7528\uff0c\u81f3\u4e8e<\/span>Spring<\/span>\u662f\u5982\u4f55\u521b\u5efa\u90a3\u4e2a\u5bf9\u8c61\uff0c\u4ee5\u53ca\u4ec0\u4e48\u65f6\u5019\u521b\u5efa\u597d\u5bf9\u8c61\u7684\uff0c<\/span>A<\/span>\u5bf9\u8c61\u4e0d\u9700\u8981\u5173\u5fc3\u8fd9\u4e9b\u7ec6\u8282\u95ee\u9898<\/span>(<\/span>\u4f60\u662f\u4ec0\u4e48\u65f6\u5019\u751f\u7684\uff0c\u600e\u4e48\u751f\u51fa\u6765\u7684\u6211\u53ef\u4e0d\u5173\u5fc3\uff0c\u80fd\u5e2e\u6211\u5e72\u6d3b\u5c31\u884c<\/span>)<\/span>\uff0c<\/span>A<\/span>\u5f97\u5230<\/span>Spring<\/span>\u7ed9\u6211\u4eec\u7684\u5bf9\u8c61\u4e4b\u540e\uff0c\u4e24\u4e2a\u4eba\u4e00\u8d77\u534f\u4f5c\u5b8c\u6210\u8981\u5b8c\u6210\u7684\u5de5\u4f5c\u5373\u53ef\u3002<\/span><\/p>\n

\u3000\u3000\u6240\u4ee5<\/span>\u63a7\u5236\u53cd\u8f6c<\/strong><\/span>IoC(Inversion of Control)<\/strong><\/span>\u662f\u8bf4\u521b\u5efa\u5bf9\u8c61\u7684\u63a7\u5236\u6743\u8fdb\u884c\u8f6c\u79fb\uff0c\u4ee5\u524d\u521b\u5efa\u5bf9\u8c61\u7684\u4e3b\u52a8\u6743\u548c\u521b\u5efa\u65f6\u673a\u662f\u7531\u81ea\u5df1\u628a\u63a7\u7684\uff0c\u800c\u73b0\u5728\u8fd9\u79cd\u6743\u529b\u8f6c\u79fb\u5230\u7b2c\u4e09\u65b9<\/strong><\/span>\uff0c\u6bd4\u5982\u8f6c\u79fb\u4ea4\u7ed9\u4e86<\/span>IoC<\/span>\u5bb9\u5668\uff0c\u5b83\u5c31\u662f\u4e00\u4e2a\u4e13\u95e8\u7528\u6765\u521b\u5efa\u5bf9\u8c61\u7684\u5de5\u5382\uff0c\u4f60\u8981\u4ec0\u4e48\u5bf9\u8c61\uff0c\u5b83\u5c31\u7ed9\u4f60\u4ec0\u4e48\u5bf9\u8c61\uff0c\u6709\u4e86<\/span> IoC<\/span>\u5bb9\u5668\uff0c\u4f9d\u8d56\u5173\u7cfb\u5c31\u53d8\u4e86\uff0c\u539f\u5148\u7684\u4f9d\u8d56\u5173\u7cfb\u5c31\u6ca1\u4e86\uff0c\u5b83\u4eec\u90fd\u4f9d\u8d56<\/span>IoC<\/span>\u5bb9\u5668\u4e86\uff0c\u901a\u8fc7<\/span>IoC<\/span>\u5bb9\u5668\u6765\u5efa\u7acb\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/span><\/p>\n

\u3000\u3000\u8fd9\u662f\u6211\u5bf9<\/span>Spring<\/span>\u7684<\/span>IoC<\/span>(<\/strong><\/span>\u63a7\u5236\u53cd\u8f6c<\/strong><\/span>)<\/strong><\/span>\u7684\u7406\u89e3\u3002<\/span>DI<\/span>(<\/strong><\/span>\u4f9d\u8d56\u6ce8\u5165<\/strong><\/span>)<\/strong><\/span>\u5176\u5b9e\u5c31\u662f<\/span>IOC<\/span>\u7684\u53e6\u5916\u4e00\u79cd\u8bf4\u6cd5\uff0c<\/span>DI<\/span>\u662f\u7531<\/span>Martin Fowler <\/span>\u5728<\/span>2004<\/span>\u5e74\u521d\u7684\u4e00\u7bc7\u8bba\u6587\u4e2d\u9996\u6b21\u63d0\u51fa\u7684\u3002\u4ed6\u603b\u7ed3\uff1a<\/span>\u63a7\u5236\u7684\u4ec0\u4e48\u88ab\u53cd\u8f6c\u4e86\uff1f\u5c31\u662f\uff1a\u83b7\u5f97\u4f9d\u8d56\u5bf9\u8c61\u7684\u65b9\u5f0f\u53cd\u8f6c\u4e86\u3002<\/strong><\/span><\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/developer.aliyun.com\/article\/685332<\/span><\/p>\n

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\u62d3\u5c55\u9605\u8bfb<\/span><\/span><\/p>\n

\u2014\u2014\u2014<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n