{"id":170165,"date":"2024-11-06T21:41:38","date_gmt":"2024-11-06T13:41:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170165\/"},"modified":"2024-11-06T21:41:38","modified_gmt":"2024-11-06T13:41:38","slug":"%e6%8e%92%e8%a1%8c%e6%a6%9c%e4%bd%bf%e7%94%a8redis%e7%9a%84set%e5%af%a6%e7%8f%be%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%8a%9f%e8%83%bd%ef%bc%88redis%e7%9a%84set%e5%af%a6%e7%8f%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170165\/","title":{"rendered":"\u6392\u884c\u699c\u4f7f\u7528Redis\u7684Set\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff08redis\u7684set\u5be6\u73fe\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%92%e8%a1%8c%e6%a6%9c%e4%bd%bf%e7%94%a8redis%e7%9a%84set%e5%af%a6%e7%8f%be%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%8a%9f%e8%83%bd-HSoJtAHQRb\">\u6392\u884c\u699c\u4f7f\u7528Redis\u7684Set\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u6392\u884c\u699c\u529f\u80fd\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u7121\u8ad6\u662f\u904a\u6232\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff0c\u5176\u4e2dSet\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u7684Set\u4f86\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis-set%e7%9a%84%e7%89%b9%e6%80%a7-HSoJtAHQRb\">Redis Set\u7684\u7279\u6027<\/h2>\n<p>Redis\u7684Set\u662f\u4e00\u7a2e\u7121\u5e8f\u4e14\u4e0d\u91cd\u8907\u7684\u6578\u64da\u96c6\u5408\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u6392\u884c\u699c\u7684\u5be6\u73fe\u3002\u4ee5\u4e0b\u662fRedis Set\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>Set\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u90fd\u662f\u552f\u4e00\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u6392\u884c\u699c\u4e2d\u4e0d\u6703\u51fa\u73fe\u91cd\u8907\u7684\u5206\u6578\u3002<\/li>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684Set\u64cd\u4f5c\u975e\u5e38\u9ad8\u6548\uff0c\u80fd\u5920\u5728O(1)\u7684\u6642\u9593\u5167\u9032\u884c\u6dfb\u52a0\u3001\u522a\u9664\u548c\u67e5\u8a62\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u652f\u6301\u96c6\u5408\u904b\u7b97\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u96c6\u5408\u904b\u7b97\uff0c\u5982\u4ea4\u96c6\u3001\u4e26\u96c6\u548c\u5dee\u96c6\uff0c\u9019\u5728\u67d0\u4e9b\u8907\u96dc\u7684\u6392\u884c\u699c\u9700\u6c42\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis-set%e5%af%a6%e7%8f%be%e6%8e%92%e8%a1%8c%e6%a6%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-HSoJtAHQRb\">\u4f7f\u7528Redis Set\u5be6\u73fe\u6392\u884c\u699c\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u8981\u4f7f\u7528Redis Set\u4f86\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%b7%bb%e5%8a%a0%e5%88%86%e6%95%b8-HSoJtAHQRb\">1. \u6dfb\u52a0\u5206\u6578<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u7528\u6236\u7684\u5206\u6578\u6dfb\u52a0\u5230Redis Set\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684SADD\u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>redis&gt; SADD leaderboard user1 100\nredis&gt; SADD leaderboard user2 200\nredis&gt; SADD leaderboard user3 150\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u4e09\u500b\u7528\u6236\u53ca\u5176\u5206\u6578\u6dfb\u52a0\u5230\u540d\u70ba\u201cleaderboard\u201d\u7684Set\u4e2d\u3002<\/p>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e6%8e%92%e8%a1%8c%e6%a6%9c-HSoJtAHQRb\">2. \u7372\u53d6\u6392\u884c\u699c<\/h3>\n<p>\u8981\u7372\u53d6\u6392\u884c\u699c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684ZRANGE\u547d\u4ee4\u4f86\u6309\u5206\u6578\u6392\u5e8f\u4e26\u7372\u53d6\u524dN\u540d\u7528\u6236\uff1a<\/p>\n<pre><code>redis&gt; ZREVRANGE leaderboard 0 2 WITHSCORES\n<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u5206\u6578\u6700\u9ad8\u7684\u4e09\u500b\u7528\u6236\u53ca\u5176\u5206\u6578\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e5%88%86%e6%95%b8-HSoJtAHQRb\">3. \u66f4\u65b0\u5206\u6578<\/h3>\n<p>\u5982\u679c\u7528\u6236\u7684\u5206\u6578\u9700\u8981\u66f4\u65b0\uff0c\u53ef\u4ee5\u4f7f\u7528ZADD\u547d\u4ee4\u4f86\u66ff\u63db\u820a\u7684\u5206\u6578\uff1a<\/p>\n<pre><code>redis&gt; ZADD leaderboard user1 250\n<\/code><\/pre>\n<p>\u9019\u5c07\u628auser1\u7684\u5206\u6578\u66f4\u65b0\u70ba250\u3002<\/p>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e7%94%a8%e6%88%b6-HSoJtAHQRb\">4. \u522a\u9664\u7528\u6236<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5f9e\u6392\u884c\u699c\u4e2d\u522a\u9664\u67d0\u500b\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528ZREM\u547d\u4ee4\uff1a<\/p>\n<pre><code>redis&gt; ZREM leaderboard user2\n<\/code><\/pre>\n<p>\u9019\u5c07\u5f9e\u6392\u884c\u699c\u4e2d\u522a\u9664user2\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-HSoJtAHQRb\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684Set\u4f86\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u7528\u6236\u53ca\u5176\u5206\u6578\nr.zadd('leaderboard', {'user1': 100, 'user2': 200, 'user3': 150})\n\n# \u7372\u53d6\u6392\u884c\u699c\ntop_users = r.zrevrange('leaderboard', 0, 2, withscores=True)\nprint(\"\u6392\u884c\u699c\uff1a\", top_users)\n\n# \u66f4\u65b0\u7528\u6236\u5206\u6578\nr.zadd('leaderboard', {'user1': 250})\n\n# \u522a\u9664\u7528\u6236\nr.zrem('leaderboard', 'user2')\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HSoJtAHQRb\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u7684Set\u4f86\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u65b9\u6cd5\u3002\u901a\u904e\u5229\u7528Redis\u7684\u9ad8\u6027\u80fd\u6578\u64da\u7d50\u69cb\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u7528\u6236\u7684\u5206\u6578\uff0c\u4e26\u5feb\u901f\u7372\u53d6\u6392\u884c\u699c\u3002\u7121\u8ad6\u662f\u5728\u904a\u6232\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u5176\u4ed6\u61c9\u7528\u4e2d\uff0c\u9019\u7a2e\u65b9\u6cd5\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u7684Set\u5be6\u73fe\u6392\u884c\u699c\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u6392\u884c\u699c\u7684\u7ba1\u7406\u8207\u67e5\u8a62\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-170165","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170165","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=170165"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170165\/revisions"}],"predecessor-version":[{"id":170166,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170165\/revisions\/170166"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}