{"id":1744,"date":"2023-06-27T13:54:15","date_gmt":"2023-06-27T05:54:15","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1744"},"modified":"2023-06-27T13:54:15","modified_gmt":"2023-06-27T05:54:15","slug":"%e6%b7%b1%e5%85%a5%e5%88%86%e6%9e%90redis%e7%9a%84%e4%ba%94%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e5%8f%8a%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86%e3%80%82","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/redis\/%e6%b7%b1%e5%85%a5%e5%88%86%e6%9e%90redis%e7%9a%84%e4%ba%94%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e5%8f%8a%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86%e3%80%82\/","title":{"rendered":"\u6df1\u5165\u5206\u6790Redis\u7684\u4e94\u79cd\u6570\u636e\u7ed3\u6784\u53ca\u5b9e\u73b0\u539f\u7406\u3002"},"content":{"rendered":"<div class='wxsyncmain'>\n<h2 data-renderer-start-pos=\"1\" style=\"font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">1. \u524d\u5e8f<\/h2>\n<p data-renderer-start-pos=\"8\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">Redis \u6570\u636e\u5e93\u91cc\u9762\u7684\u6bcf\u4e2a\u952e\u503c\u5bf9\uff08key-value-pair\uff09\u90fd\u662f\u7531\u5bf9\u8c61\uff08object\uff09\u7ec4\u6210\u7684\uff0c\u6bcf\u6b21\u5728\u6570\u636e\u5e93\u4e2d\u65b0\u521b\u5efa\u4e00\u4e2a\u952e\u503c\u5bf9\u65f6\uff0cRedis\u90fd\u4f1a\u5e2e\u6211\u4eec\u81f3\u5c11\u4f1a\u521b\u5efa\u4e24\u4e2a\u5bf9\u8c61\uff0c\u5206\u522b\u662f\u952e\u5bf9\u8c61\u548c\u503c\u5bf9\u8c61\uff0c\u5176\u4e2d\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-indent-level=\"1\" style=\"margin-top: 10px;padding-left: 24px;display: flow-root;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;text-align: start;white-space: pre-wrap;\">\n<li style=\"background-color: rgb(255, 255, 255);\">\n<p data-renderer-start-pos=\"113\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">Redis\u6570\u636e\u5e93\u91cc\u7684\u952e\u603b\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61\uff08string object\uff09\uff1b<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"153\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\"><span style=\"background-color: rgb(255, 255, 255);\">\u800cRedis\u6570\u636e\u5e93\u952e\u7684\u503c\u5219\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u5bf9\u8c61\u3001\u5217\u8868\u5bf9\u8c61\uff08list object\uff09\u3001\u54c8\u5e0c\u5bf9\u8c61\uff08hash object\uff09\u3001\u96c6\u5408\u5bf9\u8c61\uff08set object\uff09\u3001\u6709\u5e8f\u96c6\u5408\u5bf9\u8c61\uff08sorted set object\uff09\u8fd9\u4e94<\/span>\u79cd<span style=\"background-color: rgb(255, 255, 255);\">\u5bf9\u8c61\u4e2d\u7684\u5176\u4e2d\u4e00\u79cd\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-renderer-start-pos=\"269\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u6bd4\u5982\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u952e\u4e3a\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u503c\u4e5f\u4e3a\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u952e\u503c\u5bf9\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"css\"><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">SET<\/span> <span class=\"code-snippet__selector-tag\">msg<\/span> \"<span class=\"code-snippet__selector-tag\">hello<\/span> <span class=\"code-snippet__selector-tag\">world<\/span>\"<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__selector-tag\">OK<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">TYPE<\/span> <span class=\"code-snippet__selector-tag\">msg<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__selector-tag\">string<\/span><\/span><\/code><\/pre>\n<\/section>\n<p data-renderer-start-pos=\"385\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u800c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u952e\u4e3a\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u503c\u4e3a\u5217\u8868\u5bf9\u8c61\u7684\u952e\u503c\u5bf9\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"css\"><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">RPUSH<\/span> <span class=\"code-snippet__selector-tag\">numbers<\/span> 1 3 5 7 9<\/span><\/code><code><span class=\"code-snippet_outer\">(<span class=\"code-snippet__selector-tag\">integer<\/span>) 5<\/span><\/code><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">TYPE<\/span> <span class=\"code-snippet__selector-tag\">numbers<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__selector-tag\">list<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"display: flex;-webkit-box-pack: end;justify-content: flex-end;top: 0px;grid-column: 1 \/ auto;\"><\/span><\/p>\n<p data-renderer-start-pos=\"510\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u63a5\u4e0b\u6765\u5c06\u5bf9\u4ee5\u4e0a\u63d0\u5230\u7684\u4e94\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u8fdb\u884c\u4ecb\u7ecd\uff0c\u5256\u6790\u8fd9\u4e9b\u5bf9\u8c61\u6240\u4f7f\u7528\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u8bf4\u660e\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u662f\u5982\u4f55\u6df1\u523b\u5730\u5f71\u54cd\u7684\u529f\u80fd\u548c\u6027\u80fd\u7684\u3002<\/p>\n<h2 data-renderer-start-pos=\"578\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2. &nbsp;\u5bf9\u8c61\u4e0e\u6570\u636e\u7ed3\u6784<\/h2>\n<p data-renderer-start-pos=\"591\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">Redis\u4e2d\u5171\u6709\u5b57\u7b26\u4e32\u5bf9\u8c61\u3001\u5217\u8868\u5bf9\u8c61\u3001\u54c8\u5e0c\u5bf9\u8c61\u3001\u96c6\u5408\u5bf9\u8c61\u3001\u6709\u5e8f\u96c6\u5408\u5bf9\u8c61\u4e94\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u6bcf\u79cd\u5bf9\u8c61\u5e95\u5c42\u90fd\u7528\u5230\u4e86\u81f3\u5c11\u4e00\u79cd\u4e0b\u9762\u5373\u5c06\u4ecb\u7ecd\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u4e14\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u7531\u4e00\u4e2aredisObject\u7ed3\u6784\u8868\u793a\uff0c\u8be5\u7ed3\u6784\u4e2d\u548c\u4fdd\u5b58\u6570\u636e\u6709\u5173\u7684\u4e09\u4e2a\u5c5e\u6027\u5206\u522b\u662ftype\u3001encoding\u3001ptr\u5c5e\u6027\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">redisObject<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">&nbsp;&nbsp;<span class=\"code-snippet__comment\">\/\/&nbsp;\u7c7b\u578b\uff0c\u4e0a\u9762\u63d0\u5230\u76845\u79cd\u5bf9\u8c61&nbsp;\uff08TYPE&nbsp;key\uff09<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> type;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u7f16\u7801 \u8bb0\u5f55\u4e86\u5bf9\u8c61\u6240\u4f7f\u7528\u7684\u6570\u636e\u7ed3\u6784\u4f5c\u4e3a\u5bf9\u8c61\u7684\u5e95\u5c42\u5b9e\u73b0 \uff08OBJECT ENCODING key\uff09<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> encoding;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u6307\u5411\u5e95\u5c42\u5b9e\u73b0\u6570\u636e\u7ed3\u6784\u7684\u6307\u9488<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">void<\/span> *ptr;<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<p><br  \/><\/p>\n<p data-renderer-start-pos=\"921\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5bf9\u8c61\u7684\u7f16\u7801<\/p>\n<table interlaced=\"enabled\">\n<tbody>\n<tr class=\"ue-table-interlace-color-single\">\n<th style=\"word-break: break-all;\">\u7f16\u7801\u5e38\u91cf<br  \/><\/th>\n<th style=\"word-break: break-all;\">\u5e95\u5c42\u6570\u636e\u7ed3\u6784<\/th>\n<\/tr>\n<tr class=\"ue-table-interlace-color-double\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_HT<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\">\u5b57\u5178<br  \/><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-single\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_INTSET<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\">\u6574\u6570\u96c6\u5408<br  \/><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-double\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_LINKEDLIST<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u53cc\u7aef\u94fe\u8868<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-single\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_RAW<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7b80\u5355\u52a8\u6001\u5b57\u7b26\u4e32<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-double\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_SKIPLIST<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u8df3\u8868<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-single\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">REDIS_ENCODING_ZIPLIST<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u538b\u7f29\u5217\u8868<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-renderer-start-pos=\"1166\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2. 1 \u7b80\u5355\u52a8\u6001\u5b57\u7b26\u4e32\uff08SDS\uff09<\/h2>\n<h3 data-renderer-start-pos=\"1185\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.1.1 \u7ed3\u6784\u4e0e\u5b9e\u73b0<\/h3>\n<p data-renderer-start-pos=\"1198\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">Redis\u6ca1\u6709\u4f7f\u7528C\u8bed\u8a00\u4f20\u7edf\u7684\u5b57\u7b26\u4e32\u8868\u793a\uff08\u4ee5\u7a7a\u5b57\u7b26\u7ed3\u5c3e<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">'\u0000'<\/code>\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff09\uff0c\u800c\u662f\u81ea\u5df1\u6784\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u7b80\u5355\u52a8\u6001\u5b57\u7b26\u4e32\uff08Simple Dynamic String, SDS\uff09\u7684\u62bd\u8c61\u7c7b\u578b\uff0c\u5e76\u5c06SDS\u4f5c\u4e3aRedis\u7684\u9ed8\u8ba4\u5b57\u7b26\u4e32\u8868\u793a\u3002<\/p>\n<p data-renderer-start-pos=\"1312\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">SDS\u7684\u5b9a\u4e49\u548c\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">sdsdr<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u5b57\u8282\u6570\u7ec4\uff0c\u7528\u4e8e\u4fdd\u5b58\u5b57\u7b26\u4e32<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">char<\/span> buf[];<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u8bb0\u5f55buf\u6570\u7ec4\u4e2d\u5df2\u4f7f\u7528\u5b57\u8282\u7684\u6570\u91cf\uff0c\u7b49\u4e8eSDS\u6240\u4fdd\u5b58\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">int<\/span> len;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u8bb0\u5f55buf\u6570\u7ec4\u4e2d\u672a\u4f7f\u7528\u5b57\u8282\u7684\u6570\u91cf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">int<\/span> <span class=\"code-snippet__built_in\">free<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.34934497816593885\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"916\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044833638.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.34934497816593885\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"916\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044833638.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"1463\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u76f8\u6bd4C\u8bed\u8a00\u5b57\u7b26\u4e32\uff0c\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-indent-level=\"1\" style=\"margin-top: 10px;padding-left: 24px;display: flow-root;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\n<li>\n<p data-renderer-start-pos=\"1482\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u5e38\u6570O(1)\u65f6\u95f4\u590d\u6742\u5ea6\u83b7\u53d6\u6574\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"1507\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u675c\u7edd\u7f13\u51b2\u533a\u6ea2\u51fa\uff08buffer overflow\uff09\uff0c\u5373\u5206\u914d\u7684\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u5b57\u7b26\u4e32\uff0c\u81ea\u52a8\u6269\u5bb9\u673a\u5236<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"1557\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u51cf\u5c11\u4fee\u6539\u5b57\u7b26\u4e32\u65f6\u5e26\u6765\u7684\u5185\u5b58\u91cd\u5206\u914d\u6b21\u6570\uff0c\u5373\u5185\u5b58\u7a7a\u95f4\u9884\u5206\u914d\u4e0e\u60f0\u6027\u91ca\u653e<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"1593\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u4e8c\u8fdb\u5236\u5b89\u5168\uff0c\u53ef\u4ee5\u4fdd\u5b58\u975e\u6587\u672c\u7c7b\u578b\u7684\u6570\u636e<\/p>\n<\/li>\n<\/ul>\n<h3 data-renderer-start-pos=\"1615\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7a7a\u95f4\u9884\u5206\u914d<\/h3>\n<p data-renderer-start-pos=\"1622\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7528\u4e8e\u5b57\u7b26\u4e32\u589e\u957f\u64cd\u4f5c\uff0c\u5f53\u5b57\u7b26\u4e32\u589e\u957f\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u5148\u68c0\u67e5\u9700\u4e0d\u9700\u8981\u5bf9SDS\u7a7a\u95f4\u8fdb\u884c\u6269\u5c55\uff0c\u5982\u679c\u9700\u8981\u6269\u5c55\uff0c\u7a0b\u5e8f\u4e0d\u4ec5\u4f1a\u4e3aSDS\u5206\u914d\u4fee\u6539\u6240\u5fc5\u8981\u7684\u7a7a\u95f4\uff0c\u8fd8\u4f1a\u4e3aSDS\u5206\u914d\u989d\u5916\u7684\u672a\u4f7f\u7528\u7a7a\u95f4\u3002\uff08\u5206\u914d\u548clen\u5c5e\u6027\u540c\u6837\u5927\u5c0f\u7684\u672a\u4f7f\u7528\u7a7a\u95f4\uff0c \u5373\u4fee\u6539\u540e\u7684\u957f\u5ea6+ \u76f8\u540c\u957f\u5ea6free+1\uff09<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.465625\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044835886.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.465625\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044835886.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"1760\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><span style=\"font-size: 1.142em;font-weight: 600;letter-spacing: -0.006em;\">\u60f0\u6027\u7a7a\u95f4\u91ca\u653e<\/span><\/p>\n<p data-renderer-start-pos=\"1760\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><span style=\"letter-spacing: -0.005em;\">\u7528\u4e8e<\/span><span style=\"letter-spacing: -0.005em;\">\u4f18\u5316SDS\u7684\u5b57\u7b26\u4e32\u6536\u7f29(trim)\u64cd\u4f5c\uff0c\u5f53\u5b57\u7b26\u4e32\u6536\u7f29\u65f6\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\u5185\u5b58\u91cd\u5206\u914d\u6765\u56de\u6536\u6536\u7f29\u540e\u5185\u5b58\u591a\u51fa\u6765\u7684\u7a7a\u95f4\uff0c\u800c\u662f\u4f7f\u7528free\u5c5e\u6027\u8bb0\u5f55\u4e0b\u6765\uff0c\u4ee5\u5907\u5c06\u6765\u4f7f\u7528\u3002<\/span><span style=\"letter-spacing: -0.005em;\">SDS\u6709\u63d0\u4f9bAPI\u53bb\u4e3b\u52a8\u91ca\u653e\u672a\u4f7f\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.5592948717948718\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1248\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044837172.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.5592948717948718\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1248\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044837172.jpeg\"  \/><\/noscript><\/p>\n<h3 data-renderer-start-pos=\"1888\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.1.2 C\u5b57\u7b26\u4e32\u4e0eSDS\u4e4b\u95f4\u7684\u533a\u522b&nbsp;<\/h3>\n<p><br  \/><\/p>\n<table interlaced=\"enabled\">\n<tbody>\n<tr class=\"ue-table-interlace-color-single\">\n<th style=\"word-break: break-all;\">C\u5b57\u7b26\u4e32<br  \/><\/th>\n<th style=\"word-break: break-all;\">SDS<br  \/><\/th>\n<\/tr>\n<tr class=\"ue-table-interlace-color-double\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">API\u662f\u4e0d\u5b89\u5168\u7684\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u7f13\u51b2\u533a\u6ea2\u51fa<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">API\u662f\u5b89\u5168\u7684\uff0c\u4e0d\u4f1a\u9020\u6210\u7f13\u51b2\u533a\u6ea2\u51fa<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-single\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u53ea\u80fd\u4fdd\u5b58\u6587\u672c\u6570\u636e<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u53ef\u4ee5\u4fdd\u5b58\u6587\u672c\u6216\u8005\u4e8c\u8fdb\u5236\u6570\u636e<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-double\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u4fee\u6539\u5b57\u7b26\u4e32\u957f\u5ea6N\u6b21\u5fc5\u7136\u9700\u8981\u6267\u884cN\u6b21\u5185\u5b58\u91cd\u5206\u914d<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u4fee\u6539\u5b57\u7b26\u4e32\u957f\u5ea6N\u6b21\u81f3\u591a\u9700\u8981\u6267\u884cN\u6b21\u5185\u5b58\u91cd\u5206\u914d<\/span><\/td>\n<\/tr>\n<tr class=\"ue-table-interlace-color-single\">\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u7684\u590d\u6742\u5ea6\u4e3aO(N)<\/span><\/td>\n<td width=\"268\" valign=\"top\" style=\"word-break: break-all;\"><span style=\"color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.08px;text-align: left;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u7684\u590d\u6742\u5ea6\u4e3aO(1)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-renderer-start-pos=\"2103\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.1.3 SDS\u7684\u5e94\u7528<\/h3>\n<p data-renderer-start-pos=\"2117\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5728redis\u5185\u90e8\u7528\u4f5c\u6240\u6709\u952e\u503c\u5bf9\u7684\u952e\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3001\u5185\u90e8\u7684\u5f02\u5e38\u4fe1\u606f\u5c01\u88c5\u7b49\u3002<\/p>\n<h2 data-renderer-start-pos=\"2154\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.2 \u94fe\u8868<\/h2>\n<h3 data-renderer-start-pos=\"2162\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.2.1 \u7ed3\u6784\u4e0e\u5b9e\u73b0<\/h3>\n<p data-renderer-start-pos=\"2175\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><span style=\"letter-spacing: -0.005em;\">\u94fe\u8868\u4f5c\u4e3a\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u8282\u70b9\u91cd\u6392\u80fd\u529b\uff0c\u4ee5\u53ca\u987a\u5e8f\u6027\u7684\u8282\u70b9\u8bbf\u95ee\u65b9\u5f0f\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u589e\u5220\u94fe\u8868\u4e2d\u4efb\u610f\u8282\u70b9\u6765\u7075\u6d3b\u5730\u8c03\u6574\u94fe\u8868\u957f\u5ea6\u3002<\/span><\/p>\n<p data-renderer-start-pos=\"2243\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u94fe\u8868\u7684\u5355\u4e2a\u8282\u70b9\u548c\u6574\u4e2a\u94fe\u8868\u7684\u5b9a\u4e49\u548c\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">listNode<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u8282\u70b9\u7684\u503c<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">void<\/span> *value;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u524d\u7f6e\u8282\u70b9<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">listNode<\/span> *<span class=\"code-snippet__title\">prev<\/span>;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u540e\u7f6e\u8282\u70b9<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">listNode<\/span> *<span class=\"code-snippet__title\">next<\/span>;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">} listNode;<\/span><\/code><code><span class=\"code-snippet_outer\"><br  \/><\/span><\/code><code><span class=\"code-snippet_outer\"><br  \/><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">list<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u8868\u5934\u8282\u70b9<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  listNode *head;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u8868\u5c3e\u8282\u70b9<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  listNode *tail;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u94fe\u8868\u8282\u70b9\u6570\u91cf\uff0c\u5373\u957f\u5ea6<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> <span class=\"code-snippet__keyword\">long<\/span> len;<\/span><\/code><code><span class=\"code-snippet_outer\">} <span class=\"code-snippet__built_in\">list<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"display: flex;-webkit-box-pack: end;justify-content: flex-end;top: 0px;grid-column: 1 \/ auto;\"><\/span><\/p>\n<p data-renderer-start-pos=\"2526\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7ed3\u6784\u793a\u610f\u56fe\u5982\u4e0b\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.31208053691275167\" data-s=\"300,640\"  data-type=\"png\" data-w=\"1192\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044839163.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.31208053691275167\" data-s=\"300,640\"  data-type=\"png\" data-w=\"1192\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044839163.png\"  \/><\/noscript><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\">&nbsp;<\/span><\/p>\n<p data-renderer-start-pos=\"2567\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7531\u4e0a\u56fe\u53ef\u4ee5\u770b\u51faRedis\u5e76\u4e0d\u662f\u4ec5\u4ec5\u4f7f\u7528\u591a\u4e2alistNode\u7ed3\u6784\u7ec4\u6210\u94fe\u8868\uff0c\u800c\u662f\u63d0\u4f9b\u4e86\u8868\u5934\u6307\u9488head\uff0c\u8868\u5c3e\u6307\u9488tail\uff0c\u4ee5\u53ca\u94fe\u8868\u957f\u5ea6\u8ba1\u6570\u5668len\uff0c\u8fd9\u6837\u8bbe\u8ba1\u6709\u5982\u4e0b\u597d\u5904\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-indent-level=\"1\" style=\"margin-top: 10px;padding-left: 24px;display: flow-root;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\n<li>\n<p data-renderer-start-pos=\"2653\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u65e0\u73af\u94fe\u8868\uff1a\u8868\u5934\u8282\u70b9\u7684prev\u6307\u9488\u548c\u8868\u5c3e\u8282\u70b9\u7684next\u6307\u9488\u90fd\u6307\u5411NULL\uff0c<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"2693\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u5e38\u6570\u7ea7\u522b\u65f6\u95f4\u590d\u6742\u5ea6\u83b7\u53d6\u94fe\u8868\u7684\u8868\u5934\u8282\u70b9\u548c\u8868\u5c3e\u8282\u70b9\uff0c\u4e3aO(1);<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"2727\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u5e26\u94fe\u8868\u957f\u5ea6\u8ba1\u6570\u5668\uff0c\u5e38\u6570\u7ea7\u522b\u65f6\u95f4\u590d\u6742\u5ea6\u83b7\u53d6\u6574\u4e2a\u94fe\u8868\u4e2d\u8282\u70b9\u7684\u6570\u91cf\uff0c\u4e3aO(1);<\/p>\n<\/li>\n<\/ul>\n<h3 data-renderer-start-pos=\"2768\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.2.2 \u94fe\u8868\u7684\u5e94\u7528<\/h3>\n<p data-renderer-start-pos=\"2781\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><span style=\"letter-spacing: -0.005em;\">\u53d1\u5e03\u4e0e\u8ba2\u9605\u3001\u6162\u67e5\u8be2\u3001\u76d1\u89c6\u5668\u7b49\u529f\u80fd\uff0credis\u670d\u52a1\u5668\u672c\u8eab\u8fd8\u4f7f\u7528\u94fe\u8868\u6765\u4fdd\u5b58\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u72b6\u6001\u4fe1\u606f\u3002<\/span><\/p>\n<p data-renderer-start-pos=\"2781\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><span style=\"letter-spacing: -0.005em;\">news.it \u9891\u9053\u548c\u5b83\u7684\u4e09\u4e2a\u8ba2\u9605\u8005\uff1a<\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.3482587064676617\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"804\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044840828.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.3482587064676617\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"804\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044840828.jpeg\"  \/><\/noscript><\/p>\n<p><span style=\"font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;\">\u5411 news.it \u9891\u9053\u53d1\u9001\u6d88\u606f\uff1a<\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.4257907542579075\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"822\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044841111.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.4257907542579075\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"822\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044841111.jpeg\"  \/><\/noscript><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\"><\/span><\/p>\n<p><span style=\"font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;\">Redis \u4e2d\u53d1\u5e03\u4e0e\u8ba2\u9605\u5b57\u5178\u7684\u793a\u4f8b\uff1a<\/span><span style=\"font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;\"><\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.3442088091353997\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1226\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044843553.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.3442088091353997\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1226\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044843553.jpeg\"  \/><\/noscript><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\"><\/span><\/p>\n<h2 data-renderer-start-pos=\"2899\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.3 \u5b57\u5178<\/h2>\n<h3 data-renderer-start-pos=\"2907\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.3.1 \u7ed3\u6784\u4e0e\u5b9e\u73b0<\/h3>\n<p data-renderer-start-pos=\"2920\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5b57\u5178\uff0c\u53c8\u79f0\u4e3a\u7b26\u53f7\u8868(symbol table)\uff0c\u6620\u5c04(map)\uff0c\u662f\u4e00\u79cd\u7528\u4e8e\u4fdd\u5b58\u952e\u503c\u5bf9(key-value-pair)\u7684\u62bd\u8c61\u6570\u636e\u7ed3\u6784\u3002\u5728Redis\u4e2d\uff0c\u5b57\u5178\u88ab\u7528\u4e8eRedis\u6570\u636e\u5e93\u7684\u5e95\u5c42\u5b9e\u73b0\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u5b58\u50a8\u7684\u4e94\u5927Redis\u6570\u636e\u7c7b\u578b<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">String<\/code>,<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">List<\/code>,<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">Set<\/code>,<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">Zset<\/code>,<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">Hash<\/code> \u90fd\u88ab\u5b58\u50a8\u5728\u5b57\u5178\u91cc\u3002<\/p>\n<p data-renderer-start-pos=\"3080\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">Redis\u7684\u5b57\u5178\u5e95\u5c42\u91c7\u7528\u54c8\u5e0c\u8868\u5b9e\u73b0\uff0c\u4e00\u4e2a\u54c8\u5e0c\u8868\u5185\u53ef\u5305\u542b\u591a\u4e2a\u54c8\u5e0c\u8282\u70b9\uff0c\u5e76\u4e14\u6bcf\u4e2a\u54c8\u5e0c\u8282\u70b9\u5c31\u4fdd\u5b58\u4e86\u4e00\u4e2a\u952e\u503c\u5bf9\u3002<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">dictht<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u54c8\u5e0c\u8282\u70b9\u6570\u7ec4<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  dictEntry **table;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u54c8\u5e0c\u8868\u5927\u5c0f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> <span class=\"code-snippet__keyword\">long<\/span> size;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u54c8\u5e0c\u8868\u5927\u5c0f\u63a9\u7801\uff0c\u7528\u4e8e\u8ba1\u7b97\u54c8\u5e0c\u8282\u70b9\u7684\u7d22\u5f15\u503c<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u503c\u603b\u662fsize-1<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> <span class=\"code-snippet__keyword\">long<\/span> sizemask;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u54c8\u5e0c\u8868\u4e2d\u54c8\u5e0c\u8282\u70b9\u6570\u91cf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">unsigned<\/span> <span class=\"code-snippet__keyword\">long<\/span> used;<\/span><\/code><code><span class=\"code-snippet_outer\">}dictht;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\">dictht\u4e0edict\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.32109375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044844187.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.32109375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044844187.jpeg\"  \/><\/noscript><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">dict<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u54c8\u5e0c\u8868\u6570\u7ec4<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  dictht ht[<span class=\"code-snippet__number\">2<\/span>];<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ rehash index \u975e\u5904\u4e8erehash\u65f6\uff0c\u503c\u4e3a-1<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">int<\/span> trehashidx<\/span><\/code><code><span class=\"code-snippet_outer\">}dict;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.43125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044845760.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.43125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044845760.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"3506\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u53ef\u4ee5\u4ece dictht \u7ed3\u6784\u56fe\u4e2d\u770b\u51fa\uff0cRedis\u4e2d\u7684\u54c8\u5e0c\u8868\u91c7\u7528\u7684\u662f\u94fe\u5730\u5740\u6cd5\u6765\u89e3\u51b3\u952e\u51b2\u7a81\uff0c\u6bcf\u4e2a\u54c8\u5e0c\u8868\u8282\u70b9\u90fd\u6709\u4e00\u4e2anext\u6307\u9488\uff0c\u5176\u6307\u5411\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u8282\u70b9\uff0c\u5e76\u4e14\u56e0\u4e3a\u5b57\u5178\u4e2d\u7684dictEntry\u8282\u70b9\u7ec4\u6210\u7684\u94fe\u8868\u6ca1\u6709\u6307\u5411\u94fe\u8868\u8868\u5c3e\u7684\u6307\u9488\uff0c\u6240\u4ee5\u4e3a\u4e86\u901f\u5ea6\u7684\u8003\u8651\uff0c\u65b0\u8282\u70b9\u603b\u662f\u6dfb\u52a0\u5230\u94fe\u8868\u7684\u8868\u5934\u4f4d\u7f6e\uff08\u590d\u6742\u5ea6O(1)\uff09\uff0c\u5373\u5934\u63d2\u6cd5\u3002<\/p>\n<p>\u5305\u542b\u4e24\u4e2a\u952e\u503c\u5bf9\u7684\u54c8\u5e0c\u8868\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.41232227488151657\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1266\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044847534.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.41232227488151657\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1266\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044847534.jpeg\"  \/><\/noscript><\/p>\n<p>\u4f7f\u7528\u94fe\u8868\u6765\u89e3\u51b3k2 \u548ck1 \u51b2\u7a81\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.3453125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044848552.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.3453125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044848552.jpeg\"  \/><\/noscript><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\"><\/span><\/p>\n<h3 data-renderer-start-pos=\"3703\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.3.2 rehash(\u91cd\u65b0\u6563\u5217)<\/h3>\n<p data-renderer-start-pos=\"3724\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 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style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.10234375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044850494.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.10234375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044850494.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"4712\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, 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&quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5982\u679c\u5bf9\u94fe\u8868\u5efa\u7acb\u4e00\u7ea7\u201c\u7d22\u5f15\u201d\uff0c\u6bcf\u4e24\u4e2a\u7ed3\u70b9\u63d0\u53d6\u4e00\u4e2a\u7ed3\u70b9\u5230\u4e0a\u4e00\u7ea7\uff0c\u6211\u4eec\u628a\u62bd\u53d6\u51fa\u6765\u7684\u90a3\u4e00\u7ea7\u53eb\u505a\u7d22\u5f15\u6216\u8005\u7d22\u5f15\u5c42\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p>\u5e26\u4e00\u7ea7\u7d22\u5f15\u7684\u94fe\u8868\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.12734375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044851270.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.12734375\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044851270.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"4942\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5047\u8bbe\u8fd8\u662f\u8981\u67e5\u627e52\u8fd9\u4e2a\u7ed3\u70b9\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u5148\u67e5\u627e\u7b2c\u4e00\u7ea7\u7d22\u5f15(Index1)\uff0c\u4f9d\u6b21\u662f11\uff0c17\uff0c 27\uff0c41\uff0c52\u572841\u548c59\u4e4b\u95f4\uff0c\u6240\u4ee5\u67e5\u627e\u4e0b\u4e00\u7ea7\u94fe\u8868\uff0c\u4e5f\u5c31\u662f\u539f\u59cb\u94fe\u8868\uff0c\u67e5\u523052\u8fd9\u4e2a\u7ed3\u70b9\uff0c\u67e5\u627e\u8def\u7ebf\uff1a\uff0811 \u2192 17 \u2192 27 \u2192 41 \u2192 52\uff09\uff0c\u67e5\u627e\u6548\u7387\u5927\u5927\u63d0\u5347\u3002<\/p>\n<p data-renderer-start-pos=\"5082\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5f53\u7136\u6211\u4eec\u53ef\u4ee5\u5728\u8fd9\u4e2a\u57fa\u7840\u4e4b\u4e0a\u518d\u591a\u5efa\u7acb\u4e00\u7ea7\u7d22\u5f15(Index2)\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p>\u5e26\u4e8c\u7ea7\u7d22\u5f15\u7684\u94fe\u8868\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.2328125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044852860.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.2328125\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044852860.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"5142\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u8fd8\u662f\u67e5\u627e52\u8fd9\u4e2a\u7ed3\u70b9\uff0c\u5c31\u5148\u5728\u7b2c\u4e8c\u7ea7\u7d22\u5f15(Index2)\u4e2d\u67e5\u627e11\uff0c27\uff0c52\u4ecb\u4e8e27\u548c59\u4e4b\u95f4\uff0c\u8df3\u5165\u4e0b\u4e00\u7ea7\u94fe\u8868(Index1)\uff0c52\u4ecb\u4e8e41\u4e0e59\u4e4b\u95f4\uff0c\u8df3\u5165\u4e0b\u4e00\u7ea7\u94fe\u8868\uff0c\u7136\u540e\u627e\u523052\uff0c\u8def\u7ebf\uff1a\uff0811 \u2192 27 \u2192 41 \u2192 52\uff09\uff0c\u76f8\u6bd4\u67e5\u627e\u6548\u7387\u53c8\u6709\u6240\u63d0\u5347\u3002<\/p>\n<p data-renderer-start-pos=\"5278\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7531\u4e0a\u56fe\u5206\u6790\u53ef\u77e5\uff0c\u8fd9\u79cd\u67e5\u627e\u6548\u7387\u7684\u63d0\u5347\u662f\u5efa\u7acb\u5728\u5f88\u591a\u7ea7\u7d22\u5f15\u4e4b\u4e0a\u7684\uff0c\u8df3\u8dc3\u8868\u7531\u4e8e\u589e\u52a0\u4e86\u591a\u7ea7\u7d22\u5f15\uff0c\u5bf9\u5185\u5b58\u7684\u5360\u7528\u548c\u4f7f\u7528\u6709\u6240\u589e\u52a0\uff0c\u6240\u4ee5\u8df3\u8dc3\u8868\u662f\u4e00\u79cd\u5178\u578b\u7684\u7a7a\u95f4\u6362\u65f6\u95f4\u601d\u60f3\u7684\u5b9e\u73b0\u3002<\/p>\n<h3 data-renderer-start-pos=\"5366\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\"><strong data-renderer-mark=\"true\">2.4.2 \u8df3\u8dc3\u8868\u7684\u66f4\u65b0<\/strong><\/h3>\n<p data-renderer-start-pos=\"5380\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5728\u5355\u94fe\u8868\u4e2d\uff0c\u4e00\u65e6\u5b9a\u4f4d\u597d\u8981\u63d2\u5165\u6216\u5220\u9664\u7684\u4f4d\u7f6e\uff0c\u6267\u884c\u63d2\u5165\u6216\u5220\u9664\u7ed3\u70b9\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u5f88\u4f4e\u7684\uff0c\u5c31\u662fO(1)\u3002\u4f46\u662f\u4e3a\u4e86\u4fdd\u8bc1\u539f\u59cb\u94fe\u8868\u4e2d\u6570\u636e\u7684\u6709\u5e8f\u6027\uff0c\u6211\u4eec\u9700\u8981\u5148\u627e\u5230\u6267\u884c\u64cd\u4f5c\u94fe\u8868\u7684\u4f4d\u7f6e\uff0c\u8fd9\u4e2a\u67e5\u627e\u7684\u64cd\u4f5c\u5c31\u4f1a\u6bd4\u8f83\u8017\u65f6\uff0c\u5c31\u662fO(n)\u3002<\/p>\n<p data-renderer-start-pos=\"5494\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u4f46\u662f\u5bf9\u4e8e\u8df3\u8868\u6765\u8bf4\uff0c\u7531\u4e8e\u5b58\u5728\u591a\u7ea7\u7d22\u5f15\uff0c\u67e5\u627e\u67d0\u4e2a\u6570\u636e\u5e94\u8be5\u63d2\u5165\u6216\u5220\u9664\u7684\u4f4d\u7f6e\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u53ea\u9700O(logn)\uff0c \u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.36796875\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044854659.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.36796875\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"1280\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044854659.jpeg\"  \/><\/noscript><\/p>\n<p data-renderer-start-pos=\"5564\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u7efc\u4e0a\u53ef\u5f97\uff0c\u8df3\u8dc3\u8868\u63d2\u5165\u548c\u5220\u9664\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a\uff1aO(logn)(\u4e8c\u5206\u67e5\u627e\u7684\u590d\u6742\u5ea6)\uff0c\u652f\u6301\u9ad8\u6548\u7684\u52a8\u6001\u63d2\u5165\u3002<\/p>\n<h3 data-renderer-start-pos=\"5615\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.4.3 \u8df3\u8dc3\u8868\u7684\u5e94\u7528<\/h3>\n<p data-renderer-start-pos=\"5636\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u9002<span style=\"letter-spacing: -0.005em;\">\u7528\u573a\u666f\uff1a<\/span><span style=\"letter-spacing: -0.005em;\">\u8282\u70b9\u589e\u52a0\u548c\u66f4\u65b0\u6bd4\u8f83\u5c11\uff0c\u67e5\u8be2\u9891\u6b21\u8f83\u591a\u7684\u60c5\u51b5\u3002<\/span><\/p>\n<p data-renderer-start-pos=\"5664\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u548c\u94fe\u8868\u3001\u5b57\u5178\u7b49\u6570\u636e\u7ed3\u6784\u88ab\u5e7f\u6cdb\u5730\u4f7f\u7528\u5728Redis\u5185\u90e8\u4e0d\u540c\uff0cRedis\u53ea\u5728\u4e24\u4e2a\u5730\u65b9\u4f7f\u7528\u5230\u4e86\u8df3\u8dc3\u8868\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-indent-level=\"1\" style=\"margin-top: 10px;padding-left: 24px;display: flow-root;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\n<li>\n<p data-renderer-start-pos=\"5715\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u4f5c\u4e3a\u6709\u5e8f\u96c6\u5408(zset)\u952e\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u4e4b\u4e00<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"5741\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u5728\u96c6\u7fa4\u8282\u70b9\u4e2d\u7528\u4f5c\u5185\u90e8\u6570\u636e\u7ed3\u6784<\/p>\n<\/li>\n<\/ul>\n<p data-renderer-start-pos=\"5759\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u9664\u5728Redis\u4e4b\u5916\uff0cLucene, ElasticSearch\u90fd\u6709\u4f7f\u7528\u8df3\u8dc3\u8868\u3002<\/p>\n<p data-renderer-start-pos=\"5800\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">&nbsp;<\/p>\n<h2 data-renderer-start-pos=\"5802\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.5 \u6574\u6570\u96c6\u5408<\/h2>\n<h3 data-renderer-start-pos=\"5812\" style=\"margin-top: 2em;font-size: 1.142em;line-height: 1.5;color: rgb(23, 43, 77);font-weight: 600;letter-spacing: -0.006em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.5.1 \u7ed3\u6784\u4e0e\u5b9e\u73b0<\/h3>\n<p data-renderer-start-pos=\"5825\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u6574\u6570\u96c6\u5408\uff08intset\uff09\u662f\u96c6\u5408\u952e\u7684\u5e95\u5c42\u5b9e\u73b0\u4e4b\u4e00\uff0c\u5f53\u4e00\u4e2a\u96c6\u5408\u53ea\u5305\u542b\u6574\u6570\u503c\u5143\u7d20\uff0c\u5e76\u4e14\u8fd9\u4e2a\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u4e0d\u591a\u65f6\uff0cRedis\u5c31\u4f1a\u4f7f\u7528\u6574\u6570\u96c6\u5408\u4f5c\u4e3a\u96c6\u5408\u952e\u7684\u5e95\u5c42\u5b9e\u73b0\u3002<\/p>\n<p data-renderer-start-pos=\"5911\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5982\u4e0b\u6240\u793a\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u53ea\u5305\u542b5\u4e2a\u5143\u7d20\u7684\u96c6\u5408\u952etest\uff0c\u5e76\u4e14\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\u90fd\u662f\u6574\u6570\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u96c6\u5408\u952e\u7684\u5e95\u5c42\u5b9e\u73b0\u5c31\u4f1a\u662f\u6574\u6570\u96c6\u5408<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"css\"><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">SADD<\/span> <span class=\"code-snippet__selector-tag\">test<\/span> 1 3 5 7 9<\/span><\/code><code><span class=\"code-snippet_outer\">(<span class=\"code-snippet__selector-tag\">integer<\/span>) 5<\/span><\/code><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">TYPE<\/span> <span class=\"code-snippet__selector-tag\">test<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__selector-tag\">set<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">127<span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.0<\/span><span class=\"code-snippet__selector-class\">.1<\/span><span class=\"code-snippet__selector-pseudo\">:6379<\/span>&gt; <span class=\"code-snippet__selector-tag\">OBJECT<\/span> <span class=\"code-snippet__selector-tag\">ENCODING<\/span> <span class=\"code-snippet__selector-tag\">test<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">\"<span class=\"code-snippet__selector-tag\">intset<\/span>\"<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"display: flex;-webkit-box-pack: end;justify-content: flex-end;top: 0px;grid-column: 1 \/ auto;\"><\/span><\/p>\n<p data-renderer-start-pos=\"6106\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u6574\u6570\u96c6\u5408\uff08intset\uff09\u662fRedis\u7528\u4e8e\u4fdd\u5b58\u6574\u6570\u503c\u7684\u96c6\u5408\u62bd\u8c61\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u4fdd\u5b58\u7c7b\u578b\u4e3aint16_t\u3001int32_t\u6216int64_t\u7684\u6574\u6570\u503c\uff0c\u5e76\u4e14\u4fdd\u8bc1\u96c6\u5408\u4e2d\u4e0d\u4f1a\u51fa\u73b0\u91cd\u590d\u5143\u7d20\u3002\u5176\u7ed3\u6784\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">typedef<\/span> <span class=\"code-snippet__class\"><span class=\"code-snippet__keyword\">struct<\/span> <span class=\"code-snippet__title\">intset<\/span> {<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u4fdd\u5b58\u5143\u7d20\u7684\u6570\u7ec4, \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4ece\u5927\u5230\u5c0f\u6709\u5e8f\u6392\u5217<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">int8_t<\/span> contents[];<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u6574\u6570\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u7f16\u7801\u65b9\u5f0f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">uint32_t<\/span> encoding;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">\/\/ \u6574\u6570\u96c6\u5408\u5305\u542b\u7684\u5143\u7d20\u6570\u91cf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">uint32_t<\/span> length;<\/span><\/code><code><span class=\"code-snippet_outer\">} intset;<\/span><\/code><\/pre>\n<\/section>\n<p data-renderer-start-pos=\"6363\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">contents\u6570\u7ec4\u5c31\u662f\u6574\u6570\u96c6\u5408\u7684\u5e95\u5c42\u5b9e\u73b0\uff0c\u8fd9\u4e2a\u6570\u7ec4\u4ee5\u6709\u5e8f\u3001\u65e0\u91cd\u590d\u7684\u65b9\u5f0f\u4fdd\u5b58\u96c6\u5408\u5143\u7d20\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg lazyload\" data-ratio=\"0.36983471074380164\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"968\" style=\"\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044855750.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"0.36983471074380164\" data-s=\"300,640\"  data-type=\"jpeg\" data-w=\"968\" style=\"\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044855750.jpeg\"  \/><\/noscript><\/p>\n<p><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 1.142em;font-weight: 600;letter-spacing: -0.006em;text-align: start;white-space: pre-wrap;\">2.5.2 \u5347\u7ea7<\/span><\/p>\n<p><span style=\"background-color: rgb(255, 255, 255);color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;letter-spacing: -0.005em;text-align: start;white-space: pre-wrap;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u6bcf\u5411\u6574\u6570\u96c6\u5408\u4e2d\u6dfb\u52a0\u65b0\u5143\u7d20\u65f6\uff0c\u4f1a\u5bf9\u65b0\u5143\u7d20\u7684\u503c\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u8be5\u503c\u8d85\u8fc7\u4e86\u6574\u6570\u96c6\u5408\u4e2d\u6240\u6709\u5143\u7d20\u7684\u7f16\u7801\u5f62\u5f0f\u7684\u53d6\u503c\u8303\u56f4\uff0c\u90a3\u4e48\u5c31\u4f1a\u5bf9\u6574\u6570\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5148\u8fdb\u884c\u5347\u7ea7\uff0c\u4e5f\u5c31\u662f\u5c06\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u7684\u7f16\u7801\u5f62\u5f0f\u8f6c\u6362\u4e3a\u66f4\u5927\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u518d\u5c06\u65b0\u5143\u7d20\u52a0\u5165\u7684\u65b0\u7f16\u7801\u65b9\u5f0f\u7684\u6574\u6570\u96c6\u5408\u4e2d\uff0c\u5e76\u4e14\u6574\u6570\u96c6\u5408\u4e0d\u652f\u6301\u964d\u7ea7\u884c\u4e3a\u3002<\/span><\/p>\n<p data-renderer-start-pos=\"6592\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5347\u7ea7\u8fc7\u7a0b\uff1a<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">int16_t --&gt; int32_t --&gt; int64_t<\/code><\/p>\n<p data-renderer-start-pos=\"6630\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\u5347\u7ea7\u7684\u597d\u5904<\/p>\n<ul class=\"list-paddingleft-1\" data-indent-level=\"1\" style=\"margin-top: 10px;padding-left: 24px;display: flow-root;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;font-size: 16px;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">\n<li>\n<p data-renderer-start-pos=\"6639\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u63d0\u5347\u7075\u6d3b\u6027\uff1a\u6574\u6570\u96c6\u5408\u4e2d\u53ea\u4fdd\u5b58\u540c\u4e00\u7f16\u7801<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">encoding<\/code>\u7684\u6570\u636e\uff0c\u6dfb\u52a0\u4e0d\u540c\u7684\u7f16\u7801\u65b9\u5f0f\u7684\u6570\u636e\u4f1a\u81ea\u52a8\u8fdb\u884c\u5347\u7ea7\uff0c\u4e0d\u5fc5\u62c5\u5fc3\u7a0b\u5e8f\u7684\u7c7b\u578b\u51fa\u9519<\/p>\n<\/li>\n<li style=\"margin-top: 4px;\">\n<p data-renderer-start-pos=\"6704\" style=\"font-size: 1em;line-height: 1.714;letter-spacing: -0.005em;\">\u8282\u7ea6\u5185\u5b58\uff1a\u5982\u679c\u96c6\u5408\u4e2d\u7684\u6570\u636e\u53ea\u9700\u8981\u4f7f\u752816\u4f4d\u5c31\u53ef\u4ee5\u8868\u793a\u4e86\uff0c\u90a3\u4e48Redis\u4f1a\u81ea\u52a8\u4f7f\u7528<code data-renderer-mark=\"true\" style=\"font-family: SFMono-Medium, &quot;SF Mono&quot;, &quot;Segoe UI Mono&quot;, &quot;Roboto Mono&quot;, &quot;Ubuntu Mono&quot;, Menlo, Consolas, Courier, monospace;font-size: 0.875em;background-color: var(--ds--code--bg-color,var(--ds-background-neutral, #F4F5F7));color: var(--ds-text, #172B4D);border-style: none;border-radius: 3px;display: inline;padding: 2px 0.5ch;-webkit-box-decoration-break: clone;overflow: auto;overflow-wrap: break-word;\">int16_t<\/code>\uff0c\u53ea\u6709\u5728\u5143\u7d20\u9700\u8981\u66f4\u9ad8\u4f4d\u6570\u6765\u8868\u793a\u65f6\u624d\u4f1a\u8fdb\u884c\u7f16\u7801\u8f6c\u6362<\/p>\n<\/li>\n<\/ul>\n<h2 data-renderer-start-pos=\"6779\" style=\"margin-top: 1.8em;font-size: 1.43em;line-height: 1.2;color: rgb(23, 43, 77);letter-spacing: -0.008em;scroll-margin-top: 56px;font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">2.6 \u5176\u4ed6<\/h2>\n<p data-renderer-start-pos=\"6787\" style=\"margin-top: 0.75rem;margin-bottom: 0px;font-size: 16px;line-height: 1.714;letter-spacing: -0.005em;color: rgb(23, 43, 77);font-family: -apple-system, &quot;system-ui&quot;, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, &quot;Fira Sans&quot;, &quot;Droid Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif;text-align: start;white-space: pre-wrap;background-color: rgb(255, 255, 255);\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u9664\u4ee5\u4e0a\u4ecb\u7ecd\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u5916\uff0c\u8fd8\u6709\u7ecf\u8fc7\u4e00\u7cfb\u5217\u7279\u6b8a\u7f16\u7801\u7684\u8fde\u7eed\u5185\u5b58\u5757\u7ec4\u6210\u7684\u987a\u5e8f\u5e8f\u5217\u6570\u636e\u7ed3\u6784\u7684\u538b\u7f29\u5217\u8868\uff08ziplist\uff09\uff0c\u5b83\u548c\u6574\u6570\u96c6\u5408(intset)\u4e00\u6837\uff0c\u662f\u4e3a\u4e86\u63d0\u9ad8\u5185\u5b58\u7684\u5b58\u50a8\u6548\u7387\u800c\u8bbe\u8ba1\u7684\u3002\u5728Redis 3.2\u7248\u672c\u4e4b\u540e\uff0c\u8fd8\u5f15\u5165\u4e86\u5feb\u901f\u5217\u8868quickList\uff0c\u5b83\u66ff\u4ee3\u4e86\u538b\u7f29\u5217\u8868\u4f5c\u4e3a\u5217\u8868\u952e\u5e95\u5c42\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<p><br  \/><\/p>\n<p style=\"display: none;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<blockquote>\n<p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 Java\u7801\u519c\u6742\u8c08              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>1. \u524d\u5e8f Redis \u6570\u636e\u5e93\u91cc\u9762\u7684\u6bcf\u4e2a\u952e\u503c\u5bf9\uff08key-value-pair\uff09\u90fd\u662f\u7531\u5bf9\u8c61\uff08object\uff09\u7ec4\u6210\u7684\uff0c\u6bcf\u6b21\u5728\u6570\u636e\u5e93\u4e2d\u65b0\u521b 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