{"id":202089,"date":"2025-05-10T09:53:51","date_gmt":"2025-05-10T01:53:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202089\/"},"modified":"2025-05-10T09:53:51","modified_gmt":"2025-05-10T01:53:51","slug":"redis%e4%b8%8eruby%e7%9a%84%e4%bd%8d%e5%9b%be%e6%93%8d%e4%bd%9c%ef%bc%9a%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%95%88%e7%9a%84%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202089\/","title":{"rendered":"Redis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff1a\u5982\u4f55\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff1a\u5982\u4f55\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aRedis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff1a\u5982\u4f55\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728golang\u5b66\u4e60\u7f51\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p>Redis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff1a\u5982\u4f55\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u968f\u7740\u5927\u6570\u636e\u65f6\u4ee3\u7684\u5230\u6765\uff0c\u6570\u636e\u5206\u6790\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u5728\u6570\u636e\u5206\u6790\u8fc7\u7a0b\u4e2d\uff0c\u4f4d\u56fe\u64cd\u4f5c\u662f\u4e00\u79cd\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u6280\u672f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u6765\u8fdb\u884c\u4f4d\u56fe\u64cd\u4f5c\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790\u3002<\/p>\n<ol>\n<li>Redis\u4f4d\u56fe\u64cd\u4f5c\u7b80\u4ecb<br \/>Redis\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u800c\u4f4d\u56fe\u662fRedis\u4e2d\u7684\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u80fd\u591f\u7528\u6765\u8868\u793a\u5927\u91cf\u7684\u4e8c\u8fdb\u5236\u4f4d\uff0c\u5e76\u652f\u6301\u591a\u79cd\u4f4d\u64cd\u4f5c\u3002Redis\u7684\u4f4d\u56fe\u64cd\u4f5c\u4e3b\u8981\u5305\u62ec\u8bbe\u7f6e\u3001\u6e05\u9664\u3001\u83b7\u53d6\u4f4d\u4ee5\u53ca\u591a\u4e2a\u4f4d\u8fdb\u884c\u903b\u8f91\u8fd0\u7b97\u3002\u901a\u8fc7\u8fd9\u4e9b\u4f4d\u56fe\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u7684\u7edf\u8ba1\u548c\u5206\u6790\u3002<\/li>\n<li>Redis\u4e2d\u7684\u4f4d\u56fe\u64cd\u4f5c<br \/>2.1 \u8bbe\u7f6e\u4f4d\uff1a\u4f7f\u7528SETBIT\u547d\u4ee4\u53ef\u4ee5\u8bbe\u7f6e\u6307\u5b9a\u4f4d\u7f6e\u7684\u4e8c\u8fdb\u5236\u4f4d\u3002\u4f8b\u5982\uff0cSETBIT mybitmap 0 1 \u5c06mybitmap\u4e2d\u4f4d\u7f6e0\u7684\u4e8c\u8fdb\u5236\u4f4d\u8bbe\u7f6e\u4e3a1\u3002<br \/>2.2 \u6e05\u9664\u4f4d\uff1a\u4f7f\u7528DELBIT\u547d\u4ee4\u53ef\u4ee5\u6e05\u9664\u6307\u5b9a\u4f4d\u7f6e\u7684\u4e8c\u8fdb\u5236\u4f4d\u3002\u4f8b\u5982\uff0cDELBIT mybitmap 0\u5c06mybitmap\u4e2d\u4f4d\u7f6e0\u7684\u4e8c\u8fdb\u5236\u4f4d\u6e05\u96f6\u3002<br \/>2.3 \u83b7\u53d6\u4f4d\uff1a\u4f7f\u7528GETBIT\u547d\u4ee4\u53ef\u4ee5\u83b7\u53d6\u6307\u5b9a\u4f4d\u7f6e\u7684\u4e8c\u8fdb\u5236\u4f4d\u7684\u503c\u3002\u4f8b\u5982\uff0cGETBIT mybitmap 0\u5c06\u8fd4\u56demybitmap\u4e2d\u4f4d\u7f6e0\u7684\u4e8c\u8fdb\u5236\u4f4d\u7684\u503c\u3002<br \/>2.4 \u4f4d\u64cd\u4f5c\uff1aRedis\u652f\u6301\u591a\u4e2a\u4f4d\u8fdb\u884c\u903b\u8f91\u8fd0\u7b97\uff0c\u5305\u62ecAND\u3001OR\u3001XOR\u548cNOT\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7BITOP AND destkey srckey1 srckey2\u547d\u4ee4\u6765\u5c06srckey1\u548csrckey2\u4e2d\u5bf9\u5e94\u4f4d\u7f6e\u7684\u4e8c\u8fdb\u5236\u4f4d\u8fdb\u884cAND\u8fd0\u7b97\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5230destkey\u4e2d\u3002<\/li>\n<li>Ruby\u5b9e\u73b0\u4f4d\u56fe\u64cd\u4f5c\u7684\u793a\u4f8b<br \/>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Ruby\u5b9e\u73b0\u4f4d\u56fe\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n<pre>require 'redis'\n\nredis = Redis.new\n\n# \u8bbe\u7f6e\u4f4d\nredis.setbit('mybitmap', 0, 1)\n\n# \u6e05\u9664\u4f4d\nredis.setbit('mybitmap', 0, 0)\n\n# \u83b7\u53d6\u4f4d\nvalue = redis.getbit('mybitmap', 0)\n\n# \u4f4d\u64cd\u4f5c\nredis.setbit('bitmap1', 0, 1)\nredis.setbit('bitmap2', 0, 1)\n\nredis.bitop('AND', 'bitmap_result', 'bitmap1', 'bitmap2')<\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528Ruby\u901a\u8fc7Redis\u8fdb\u884c\u4f4d\u56fe\u64cd\u4f5c\u3002\u9996\u5148\uff0c\u6211\u4eec\u901a\u8fc7Redis.new\u521b\u5efa\u4e00\u4e2aRedis\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528setbit\u547d\u4ee4\u6765\u8bbe\u7f6e\u4f4d\u3001\u4f7f\u7528getbit\u547d\u4ee4\u6765\u83b7\u53d6\u4f4d\uff0c\u5e76\u4f7f\u7528bitop\u547d\u4ee4\u8fdb\u884c\u4f4d\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li>\u6570\u636e\u5206\u6790\u5b9e\u4f8b<br \/>\u501f\u52a9Redis\u548cRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790\u5e94\u7528\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a\u7edf\u8ba1\u6bcf\u5929\u767b\u5f55\u7528\u6237\u6570\u3002<\/li>\n<\/ol>\n<pre>require 'redis'\n\nredis = Redis.new\n\n# \u6a21\u62df\u7528\u6237\u767b\u5f55\ndef login(user_id, date)\n    redis = Redis.new\n    redis.setbit(\"login_#{date}\", user_id, 1)\nend\n\n# \u7edf\u8ba1\u6bcf\u5929\u767b\u5f55\u7528\u6237\u6570\ndef get_daily_login_count(date)\n    redis = Redis.new\n    redis.bitcount(\"login_#{date}\")\nend\n\n# \u6a21\u62df\u7528\u6237\u767b\u5f55\nlogin(1, '20220101')\nlogin(2, '20220101')\nlogin(3, '20220102')\nlogin(4, '20220102')\n\n# \u83b7\u53d62022\u5e741\u67081\u65e5\u7684\u767b\u5f55\u7528\u6237\u6570\ncount = get_daily_login_count('20220101')\nputs \"2022\u5e741\u67081\u65e5\u7684\u767b\u5f55\u7528\u6237\u6570\u4e3a\uff1a#{count}\"<\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528Redis\u7684\u4f4d\u56fe\u64cd\u4f5c\u6765\u7edf\u8ba1\u6bcf\u5929\u7684\u767b\u5f55\u7528\u6237\u6570\u3002\u9996\u5148\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2alogin\u65b9\u6cd5\uff0c\u7528\u4e8e\u6a21\u62df\u7528\u6237\u767b\u5f55\uff0c\u5c06\u7528\u6237\u7684\u767b\u5f55\u72b6\u6001\u8bbe\u7f6e\u5230\u76f8\u5e94\u7684\u4f4d\u56fe\u4e2d\u3002\u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aget_daily_login_count\u65b9\u6cd5\uff0c\u7528\u4e8e\u7edf\u8ba1\u6bcf\u5929\u7684\u767b\u5f55\u7528\u6237\u6570\uff0c\u4f7f\u7528bitcount\u547d\u4ee4\u6765\u8ba1\u7b97\u4f4d\u56fe\u4e2d\u4e3a1\u7684\u4f4d\u6570\u3002\u6700\u540e\uff0c\u6211\u4eec\u6a21\u62df\u4e86\u51e0\u6b21\u7528\u6237\u767b\u5f55\uff0c\u5e76\u901a\u8fc7get_daily_login_count\u65b9\u6cd5\u83b7\u53d6\u4e862022\u5e741\u67081\u65e5\u7684\u767b\u5f55\u7528\u6237\u6570\u3002<\/p>\n<p>\u7ed3\u8bba\uff1a<br \/>\u901a\u8fc7Redis\u7684\u4f4d\u56fe\u64cd\u4f5c\uff0c\u7ed3\u5408Ruby\u7684\u7f16\u7a0b\u80fd\u529b\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u9ad8\u6548\u7684\u6570\u636e\u5206\u6790\u3002\u65e0\u8bba\u662f\u8ba1\u6570\u3001\u7edf\u8ba1\u8fd8\u662f\u66f4\u590d\u6742\u7684\u903b\u8f91\u8fd0\u7b97\uff0cRedis\u7684\u4f4d\u56fe\u64cd\u4f5c\u90fd\u80fd\u591f\u63d0\u4f9b\u9ad8\u6027\u80fd\u548c\u7075\u6d3b\u6027\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u4e86\u89e3Redis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff0c\u5e76\u5e94\u7528\u5230\u5b9e\u9645\u7684\u6570\u636e\u5206\u6790\u4e2d\u3002<\/p>\n<p>\u53c2\u8003\u6587\u732e\uff1a<\/p>\n<ul>\n<li>Redis Documentation: https:\/\/redis.io\/documentation<\/li>\n<li>Ruby Redis Gem: https:\/\/github.com\/redis\/redis-rb<\/li>\n<\/ul>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0\u6570\u636e\u5206\u9875\u529f\u80fd\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5229\u7528Redis\u548cNode.js\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u4e0eRuby\u7684\u4f4d\u56fe\u64cd\u4f5c\uff1a&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202089","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202089","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202089"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202089\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}