{"id":190952,"date":"2024-11-12T15:52:19","date_gmt":"2024-11-12T07:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190952\/"},"modified":"2024-11-12T15:52:20","modified_gmt":"2024-11-12T07:52:20","slug":"%e9%99%90%e5%88%b6redis-zset%e9%99%90%e5%88%b6%e5%85%83%e7%b4%a0%e5%80%8b%e6%95%b8%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88zset-redis%e5%80%8b%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190952\/","title":{"rendered":"\u9650\u5236Redis ZSET\u9650\u5236\u5143\u7d20\u500b\u6578\u7684\u5be6\u73fe\uff08zset redis\u500b\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e9%99%90%e5%88%b6redis-zset%e9%99%90%e5%88%b6%e5%85%83%e7%b4%a0%e5%80%8b%e6%95%b8%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88zset-redis%e5%80%8b%e6%95%b8%ef%bc%89-ECuuwbyyVC\">\u9650\u5236Redis ZSET\u9650\u5236\u5143\u7d20\u500b\u6578\u7684\u5be6\u73fe\uff08zset redis\u500b\u6578\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u5176\u6578\u64da\u7d50\u69cb\u4e2d\uff0cZSET\uff08\u6709\u5e8f\u96c6\u5408\uff09\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\uff0c\u5141\u8a31\u7528\u6236\u4ee5\u5206\u6578\uff08score\uff09\u4f86\u6392\u5e8f\u5143\u7d20\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u9650\u5236 ZSET \u4e2d\u7684\u5143\u7d20\u500b\u6578\uff0c\u4ee5\u907f\u514d\u6578\u64da\u904e\u591a\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u5167\u5b58\u6ea2\u51fa\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe ZSET \u7684\u5143\u7d20\u500b\u6578\u9650\u5236\u3002<\/p>\n<h2 id=\"redis-zset-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ECuuwbyyVC\">Redis ZSET \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cZSET \u662f\u4e00\u7a2e\u96c6\u5408\uff0c\u8207\u666e\u901a\u96c6\u5408\u4e0d\u540c\u7684\u662f\uff0c\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u8207\u4e4b\u76f8\u95dc\u806f\u7684\u5206\u6578\u3002\u9019\u4f7f\u5f97 ZSET \u53ef\u4ee5\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\uff0c\u4e26\u4e14\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u3002ZSET \u7684\u57fa\u672c\u64cd\u4f5c\u5305\u62ec\u6dfb\u52a0\u5143\u7d20\u3001\u522a\u9664\u5143\u7d20\u3001\u67e5\u8a62\u5143\u7d20\u7b49\u3002<\/p>\n<h3 id=\"zset-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-ECuuwbyyVC\">ZSET \u7684\u57fa\u672c\u64cd\u4f5c<\/h3>\n<ul>\n<li><code>ZADD<\/code>\uff1a\u6dfb\u52a0\u5143\u7d20\u5230 ZSET \u4e2d\u3002<\/li>\n<li><code>ZREM<\/code>\uff1a\u5f9e ZSET \u4e2d\u522a\u9664\u5143\u7d20\u3002<\/li>\n<li><code>ZCARD<\/code>\uff1a\u7372\u53d6 ZSET \u4e2d\u7684\u5143\u7d20\u500b\u6578\u3002<\/li>\n<li><code>ZRANGE<\/code>\uff1a\u6839\u64da\u7d22\u5f15\u7bc4\u570d\u67e5\u8a62\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%99%90%e5%88%b6-zset-%e5%85%83%e7%b4%a0%e5%80%8b%e6%95%b8%e7%9a%84%e9%9c%80%e6%b1%82-ECuuwbyyVC\">\u9650\u5236 ZSET \u5143\u7d20\u500b\u6578\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u9650\u5236 ZSET \u4e2d\u7684\u5143\u7d20\u500b\u6578\u3002\u4f8b\u5982\uff0c\u5728\u6392\u884c\u699c\u7cfb\u7d71\u4e2d\uff0c\u6211\u5011\u53ef\u80fd\u53ea\u5e0c\u671b\u4fdd\u7559\u524d 100 \u540d\u7684\u7528\u6236\u5206\u6578\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u904e\u591a\u5c0e\u81f4\u67e5\u8a62\u6548\u7387\u4e0b\u964d\uff0c\u4e26\u4e14\u6709\u52a9\u65bc\u7bc0\u7701\u5167\u5b58\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be-zset-%e5%85%83%e7%b4%a0%e5%80%8b%e6%95%b8%e9%99%90%e5%88%b6%e7%9a%84%e6%96%b9%e6%b3%95-ECuuwbyyVC\">\u5be6\u73fe ZSET \u5143\u7d20\u500b\u6578\u9650\u5236\u7684\u65b9\u6cd5<\/h2>\n<p>\u8981\u5be6\u73fe ZSET \u7684\u5143\u7d20\u500b\u6578\u9650\u5236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5728\u6dfb\u52a0\u65b0\u5143\u7d20\u4e4b\u524d\uff0c\u6aa2\u67e5 ZSET \u7684\u7576\u524d\u5143\u7d20\u500b\u6578\u3002<\/li>\n<li>\u5982\u679c\u5143\u7d20\u500b\u6578\u5df2\u9054\u5230\u9650\u5236\uff0c\u5247\u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\u3002<\/li>\n<li>\u7136\u5f8c\u518d\u6dfb\u52a0\u65b0\u5143\u7d20\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-ECuuwbyyVC\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u7684 ZSET \u540d\u7a31\u70ba \"leaderboard\"\n# \u9650\u5236\u5143\u7d20\u500b\u6578\u70ba 100\nMAX_SIZE = 100\nZSET_NAME = \"leaderboard\"\n\ndef add_to_zset(redis_client, member, score):\n    # \u7372\u53d6\u7576\u524d ZSET \u7684\u5143\u7d20\u500b\u6578\n    current_size = redis_client.zcard(ZSET_NAME)\n    \n    # \u5982\u679c\u5df2\u9054\u5230\u6700\u5927\u9650\u5236\uff0c\u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\n    if current_size &gt;= MAX_SIZE:\n        redis_client.zremrangebyrank(ZSET_NAME, 0, 0)  # \u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\n    \n    # \u6dfb\u52a0\u65b0\u5143\u7d20\n    redis_client.zadd(ZSET_NAME, {member: score})\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u7372\u53d6 ZSET \u7684\u7576\u524d\u5143\u7d20\u500b\u6578\u3002\u5982\u679c\u5df2\u9054\u5230\u6700\u5927\u9650\u5236\uff0c\u6211\u5011\u4f7f\u7528 <code>ZREMRANGEBYRANK<\/code> \u547d\u4ee4\u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\uff0c\u7136\u5f8c\u518d\u4f7f\u7528 <code>ZADD<\/code> \u547d\u4ee4\u6dfb\u52a0\u65b0\u5143\u7d20\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ECuuwbyyVC\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe ZSET \u5143\u7d20\u500b\u6578\u9650\u5236\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\u53ef\u80fd\u6703\u5f71\u97ff\u5230 ZSET \u7684\u6392\u5e8f\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u9700\u8981\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u522a\u9664\u7b56\u7565\u3002<\/li>\n<li>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528 Redis \u7684\u4e8b\u52d9\u6216 Lua \u8173\u672c\u4f86\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/li>\n<li>\u6839\u64da\u61c9\u7528\u5834\u666f\u7684\u4e0d\u540c\uff0c\u53ef\u80fd\u9700\u8981\u8abf\u6574\u6700\u5927\u5143\u7d20\u500b\u6578\u7684\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ECuuwbyyVC\">\u7e3d\u7d50<\/h2>\n<p>\u9650\u5236 Redis ZSET \u4e2d\u7684\u5143\u7d20\u500b\u6578\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u7ba1\u7406\u6392\u884c\u699c\u6216\u5176\u4ed6\u985e\u4f3c\u61c9\u7528\u6642\u3002\u901a\u904e\u6aa2\u67e5\u7576\u524d\u5143\u7d20\u500b\u6578\u4e26\u5728\u9054\u5230\u9650\u5236\u6642\u522a\u9664\u5206\u6578\u6700\u4f4e\u7684\u5143\u7d20\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236 ZSET \u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u5167\u5b58\u4f7f\u7528\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u9650\u5236ZSET\u5143\u7d20\u500b\u6578\u7684\u5be6\u73fe\u65b9\u6cd5\uff0c\u78ba\u4fdd\u6578\u64da\u7d50\u69cb\u7684\u9ad8\u6548\u7ba1\u7406\u8207\u6027\u80fd\u512a\u5316\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-190952","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190952","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=190952"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190952\/revisions"}],"predecessor-version":[{"id":190953,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190952\/revisions\/190953"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}