{"id":98560,"date":"2024-10-21T03:38:16","date_gmt":"2024-10-20T19:38:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98560\/"},"modified":"2024-10-21T03:38:16","modified_gmt":"2024-10-20T19:38:16","slug":"redis-%e7%9a%84-zset-%e6%8c%87%e4%bb%a4%e6%93%81%e6%8a%b1%e9%81%8b%e7%ae%97%e6%80%a7%e8%83%bd%e7%9a%84%e9%9b%99%e8%b4%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98560\/","title":{"rendered":"Redis \u7684 ZSET \u6307\u4ee4\u64c1\u62b1\u904b\u7b97\u6027\u80fd\u7684\u96d9\u8d0f"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84-zset-%e6%8c%87%e4%bb%a4%e6%93%81%e6%8a%b1%e9%81%8b%e7%ae%97%e6%80%a7%e8%83%bd%e7%9a%84%e9%9b%99%e8%b4%8f-QCwCkOTcvJ\">Redis \u7684 ZSET \u6307\u4ee4\u64c1\u62b1\u904b\u7b97\u6027\u80fd\u7684\u96d9\u8d0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u6240\u8ffd\u6c42\u7684\u76ee\u6a19\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d ZSET\uff08\u6709\u5e8f\u96c6\u5408\uff09\u662f\u4e00\u500b\u7279\u5225\u53d7\u6b61\u8fce\u7684\u9078\u64c7\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684 ZSET \u6307\u4ee4\uff0c\u4e26\u5206\u6790\u5176\u5728\u904b\u7b97\u6027\u80fd\u4e0a\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-zset%ef%bc%9f-QCwCkOTcvJ\">\u4ec0\u9ebc\u662f ZSET\uff1f<\/h2>\n<p>ZSET \u662f Redis \u4e2d\u7684\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5b83\u7d50\u5408\u4e86\u96c6\u5408\u548c\u6709\u5e8f\u5217\u8868\u7684\u7279\u6027\u3002\u6bcf\u500b ZSET \u4e2d\u7684\u5143\u7d20\u90fd\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u8207\u4e4b\u76f8\u95dc\u806f\u7684\u5206\u6578\uff08score\uff09\uff0c\u9019\u4f7f\u5f97 ZSET \u80fd\u5920\u6839\u64da\u5206\u6578\u81ea\u52d5\u6392\u5e8f\u3002\u9019\u7a2e\u7279\u6027\u4f7f\u5f97 ZSET \u5728\u9700\u8981\u6392\u5e8f\u548c\u7be9\u9078\u7684\u5834\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"zset-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%8c%87%e4%bb%a4-QCwCkOTcvJ\">ZSET \u7684\u57fa\u672c\u6307\u4ee4<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u4f86\u64cd\u4f5c ZSET\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6307\u4ee4\uff1a<\/p>\n<ul>\n<li><code>ZADD<\/code>\uff1a\u5411 ZSET \u4e2d\u6dfb\u52a0\u4e00\u500b\u6216\u591a\u500b\u6210\u54e1\uff0c\u4e26\u70ba\u5176\u6307\u5b9a\u5206\u6578\u3002<\/li>\n<li><code>ZREM<\/code>\uff1a\u5f9e ZSET \u4e2d\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u6210\u54e1\u3002<\/li>\n<li><code>ZScore<\/code>\uff1a\u7372\u53d6\u6307\u5b9a\u6210\u54e1\u7684\u5206\u6578\u3002<\/li>\n<li><code>ZRANGE<\/code>\uff1a\u8fd4\u56de\u6307\u5b9a\u7bc4\u570d\u5167\u7684\u6210\u54e1\uff0c\u6309\u5206\u6578\u6392\u5e8f\u3002<\/li>\n<li><code>ZREVRANGE<\/code>\uff1a\u8fd4\u56de\u6307\u5b9a\u7bc4\u570d\u5167\u7684\u6210\u54e1\uff0c\u6309\u5206\u6578\u9006\u5e8f\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"zset-%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-QCwCkOTcvJ\">ZSET \u7684\u6027\u80fd\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 ZSET \u7684\u4e00\u500b\u4e3b\u8981\u512a\u52e2\u662f\u5176\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\u3002Redis \u4f7f\u7528\u8df3\u8868\uff08Skip List\uff09\u4f86\u5be6\u73fe ZSET\uff0c\u9019\u4f7f\u5f97\u63d2\u5165\u3001\u522a\u9664\u548c\u67e5\u8a62\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u5747\u70ba O(log(N))\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u5728\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\uff0cZSET \u4ecd\u7136\u80fd\u5920\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-QCwCkOTcvJ\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h3>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0cZSET \u7684\u6027\u80fd\u512a\u52e2\u5f97\u5230\u4e86\u5145\u5206\u9ad4\u73fe\u3002\u4f8b\u5982\uff0c\u5728\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u4e2d\uff0cZSET \u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u7528\u6236\u7684\u9ede\u8d0a\u6578\u64da\u3002\u6bcf\u7576\u7528\u6236\u9ede\u8d0a\u4e00\u500b\u5e16\u5b50\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u4f7f\u7528 <code>ZADD<\/code> \u6307\u4ee4\u5feb\u901f\u66f4\u65b0\u8a72\u5e16\u5b50\u7684\u9ede\u8d0a\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 <code>ZRANGE<\/code> \u6307\u4ee4\u5feb\u901f\u7372\u53d6\u6700\u53d7\u6b61\u8fce\u7684\u5e16\u5b50\u3002<\/p>\n<pre><code>redis&gt; ZADD posts 100 \"post1\"\nredis&gt; ZADD posts 200 \"post2\"\nredis&gt; ZRANGE posts 0 -1 WITHSCORES\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5c07\u5169\u500b\u5e16\u5b50\u6dfb\u52a0\u5230 ZSET \u4e2d\uff0c\u4e26\u6309\u5206\u6578\u7372\u53d6\u6240\u6709\u5e16\u5b50\u3002\u9019\u7a2e\u9ad8\u6548\u7684\u64cd\u4f5c\u65b9\u5f0f\u4f7f\u5f97 ZSET \u6210\u70ba\u8a31\u591a\u5be6\u6642\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-QCwCkOTcvJ\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684 ZSET \u6307\u4ee4\u4e0d\u50c5\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u64cd\u4f5c\u65b9\u5f0f\uff0c\u9084\u5728\u6027\u80fd\u4e0a\u5c55\u73fe\u4e86\u5176\u512a\u52e2\u3002\u7121\u8ad6\u662f\u5728\u793e\u4ea4\u5a92\u9ad4\u3001\u904a\u6232\u6392\u884c\u699c\u9084\u662f\u5176\u4ed6\u9700\u8981\u6392\u5e8f\u548c\u7be9\u9078\u7684\u5834\u666f\u4e2d\uff0cZSET \u90fd\u80fd\u5920\u6709\u6548\u5730\u652f\u6301\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u548c\u5b58\u5132\u65b9\u6848\u5c07\u6210\u70ba\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\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 Redis\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5728\u9999\u6e2f\u7684\u696d\u52d9\u4e2d\u7372\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u7684 ZSET \u6307\u4ee4\uff0c\u5be6\u73fe\u9ad8\u6548\u904b\u7b97\u6027\u80fd\u8207\u9748\u6d3b\u6578\u64da\u7ba1\u7406\u7684\u96d9\u8d0f\u89e3\u6c7a\u65b9\u6848\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-98560","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98560","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=98560"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98560\/revisions"}],"predecessor-version":[{"id":98561,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98560\/revisions\/98561"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}