{"id":167619,"date":"2024-11-06T02:54:26","date_gmt":"2024-11-05T18:54:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167619\/"},"modified":"2024-11-06T02:54:26","modified_gmt":"2024-11-05T18:54:26","slug":"%e5%88%a9%e7%94%a8redis%e6%b1%82%e5%be%97%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%88redis%e7%9a%84%e7%8d%b2%e5%8f%96%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167619\/","title":{"rendered":"\u5229\u7528Redis\u6c42\u5f97\u6700\u5927\u503c\uff08redis\u7684\u7372\u53d6\u6700\u5927\u503c\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e6%b1%82%e5%be%97%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%88redis%e7%9a%84%e7%8d%b2%e5%8f%96%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%89-WIEyNtWCyi\">\u5229\u7528Redis\u6c42\u5f97\u6700\u5927\u503c\uff08redis\u7684\u7372\u53d6\u6700\u5927\u503c\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5f97Redis\u6210\u70ba\u958b\u767c\u8005\u7684\u71b1\u9580\u9078\u64c7\u3002\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u7372\u53d6\u4e00\u7d44\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u7372\u53d6\u6700\u5927\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e6%a6%82%e8%bf%b0-WIEyNtWCyi\">Redis\u6578\u64da\u7d50\u69cb\u6982\u8ff0<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u512a\u52e2\u3002\u5728\u7372\u53d6\u6700\u5927\u503c\u7684\u60c5\u5883\u4e2d\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u662f\u4e00\u500b\u975e\u5e38\u5408\u9069\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u6839\u64da\u5206\u6578\uff08score\uff09\u81ea\u52d5\u6392\u5e8f\uff0c\u4e26\u4e14\u652f\u6301\u9ad8\u6548\u7684\u67e5\u8a62\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e7%8d%b2%e5%8f%96%e6%9c%80%e5%a4%a7%e5%80%bc-WIEyNtWCyi\">\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u7372\u53d6\u6700\u5927\u503c<\/h2>\n<p>\u6709\u5e8f\u96c6\u5408\u662f\u4e00\u7a2e\u5305\u542b\u552f\u4e00\u5143\u7d20\u7684\u96c6\u5408\uff0c\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u8207\u4e4b\u76f8\u95dc\u806f\u7684\u5206\u6578\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u6839\u64da\u5206\u6578\u4f86\u7372\u53d6\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u6709\u5e8f\u96c6\u5408\u7372\u53d6\u6700\u5927\u503c\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%88%b0%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88-WIEyNtWCyi\">1. \u6dfb\u52a0\u6578\u64da\u5230\u6709\u5e8f\u96c6\u5408<\/h3>\n<pre><code>127.0.0.1:6379&gt; ZADD myset 1 \"value1\"\n127.0.0.1:6379&gt; ZADD myset 3 \"value2\"\n127.0.0.1:6379&gt; ZADD myset 2 \"value3\"\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cmyset\u201d\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u4e26\u6dfb\u52a0\u4e86\u4e09\u500b\u5143\u7d20\uff0c\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5c0d\u61c9\u7684\u5206\u6578\u3002<\/p>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e6%9c%80%e5%a4%a7%e5%80%bc-WIEyNtWCyi\">2. \u7372\u53d6\u6700\u5927\u503c<\/h3>\n<p>\u8981\u7372\u53d6\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6700\u5927\u503c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>ZREVRANGE<\/code> \u547d\u4ee4\uff0c\u9019\u500b\u547d\u4ee4\u6703\u6839\u64da\u5206\u6578\u7684\u964d\u5e8f\u8fd4\u56de\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u7372\u53d6\u6700\u5927\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; ZREVRANGE myset 0 0 WITHSCORES\n1) \"value2\"\n2) \"3\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>ZREVRANGE<\/code> \u8fd4\u56de\u4e86\u5206\u6578\u6700\u9ad8\u7684\u5143\u7d20\u201cvalue2\u201d\uff0c\u5176\u5206\u6578\u70ba3\u3002<\/p>\n<h3 id=\"3-%e7%8d%b2%e5%8f%96%e6%9c%80%e5%a4%a7%e5%80%bc%e7%9a%84%e5%8f%a6%e4%b8%80%e7%a8%ae%e6%96%b9%e6%b3%95-WIEyNtWCyi\">3. \u7372\u53d6\u6700\u5927\u503c\u7684\u53e6\u4e00\u7a2e\u65b9\u6cd5<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528 <code>ZREVRANGE<\/code>\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u4f7f\u7528 <code>ZRANGE<\/code> \u547d\u4ee4\u7d50\u5408 <code>ZCARD<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6700\u5927\u503c\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; ZCARD myset\n(integer) 3\n127.0.0.1:6379&gt; ZRANGE myset -1 -1 WITHSCORES\n1) \"value2\"\n2) \"3\"\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u6211\u5011\u4f7f\u7528 <code>ZCARD<\/code> \u7372\u53d6\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6578\u91cf\uff0c\u7136\u5f8c\u4f7f\u7528 <code>ZRANGE<\/code> \u7372\u53d6\u6700\u5f8c\u4e00\u500b\u5143\u7d20\uff0c\u5373\u6700\u5927\u503c\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-WIEyNtWCyi\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u7372\u53d6\u6700\u5927\u503c\u6642\uff0c\u6027\u80fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002Redis\u7684\u64cd\u4f5c\u90fd\u662f\u5728\u5167\u5b58\u4e2d\u9032\u884c\u7684\uff0c\u56e0\u6b64\u5176\u67e5\u8a62\u901f\u5ea6\u975e\u5e38\u5feb\u3002\u5c0d\u65bc\u5927\u898f\u6a21\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u7684\u67e5\u8a62\u6548\u7387\u4ecd\u7136\u4fdd\u6301\u5728O(log(N))\u7684\u7bc4\u570d\u5167\uff0c\u9019\u4f7f\u5f97Redis\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u4f9d\u7136\u80fd\u5920\u4fdd\u6301\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WIEyNtWCyi\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u4f86\u7372\u53d6\u6700\u5927\u503c\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u4f7f\u7528 <code>ZADD<\/code>\u3001<code>ZREVRANGE<\/code> \u548c <code>ZRANGE<\/code> \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u7de9\u5b58\u3001\u6578\u64da\u5206\u6790\u9084\u662f\u5176\u4ed6\u61c9\u7528\u5834\u666f\u4e2d\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u9ad8\u6548\u83b7\u53d6\u6570\u636e\u96c6\u4e2d\u7684\u6700\u5927\u503c\uff0c\u63d0\u5347\u6570\u636e\u5904\u7406\u6027\u80fd\u4e0e\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-167619","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=167619"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167619\/revisions"}],"predecessor-version":[{"id":167620,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167619\/revisions\/167620"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}