{"id":133401,"date":"2024-10-30T23:01:23","date_gmt":"2024-10-30T15:01:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/133401\/"},"modified":"2024-10-30T23:01:24","modified_gmt":"2024-10-30T15:01:24","slug":"redis%e5%ad%b8%e7%bf%92lua%ef%bc%8c%e5%8f%af%e6%9c%89%e5%8f%af%e7%84%a1%ef%bc%88redis%e8%a6%81%e5%ad%b8lua%e5%97%8e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/133401\/","title":{"rendered":"Redis\u5b78\u7fd2Lua\uff0c\u53ef\u6709\u53ef\u7121\uff08redis\u8981\u5b78Lua\u55ce\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%ad%b8%e7%bf%92lua%ef%bc%8c%e5%8f%af%e6%9c%89%e5%8f%af%e7%84%a1%ef%bc%88redis%e8%a6%81%e5%ad%b8lua%e5%97%8e%ef%bc%89-zKdhPPzxvA\">Redis\u5b78\u7fd2Lua\uff0c\u53ef\u6709\u53ef\u7121\uff08redis\u8981\u5b78Lua\u55ce\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u9818\u57df\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0cRedis\u4e5f\u5f15\u5165\u4e86Lua\u8173\u672c\u7684\u652f\u6301\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u8907\u96dc\u7684\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u8a31\u591a\u4f7f\u7528\u8005\u4f86\u8aaa\uff0c\u5b78\u7fd2Lua\u662f\u5426\u771f\u7684\u5fc5\u8981\u5462\uff1f\u672c\u6587\u5c07\u63a2\u8a0eRedis\u8207Lua\u7684\u95dc\u4fc2\uff0c\u4e26\u5206\u6790\u5b78\u7fd2Lua\u7684\u5fc5\u8981\u6027\u3002<\/p>\n<h2 id=\"redis%e8%88%87lua%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zKdhPPzxvA\">Redis\u8207Lua\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u3002\u800cLua\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u8173\u672c\u8a9e\u8a00\uff0c\u8a2d\u8a08\u7528\u65bc\u5d4c\u5165\u5f0f\u7cfb\u7d71\uff0c\u5177\u6709\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u9ad8\u6548\u7684\u57f7\u884c\u901f\u5ea6\u3002<\/p>\n<p>Redis\u652f\u6301Lua\u8173\u672c\u7684\u57f7\u884c\uff0c\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u5728Redis\u670d\u52d9\u5668\u4e0a\u76f4\u63a5\u57f7\u884cLua\u4ee3\u78bc\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u958b\u92b7\u3002\u9019\u5c0d\u65bc\u9700\u8981\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e5%ad%b8%e7%bf%92lua%ef%bc%9f-zKdhPPzxvA\">\u70ba\u4ec0\u9ebc\u8981\u5b78\u7fd2Lua\uff1f<\/h2>\n<h3 id=\"1-%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd-zKdhPPzxvA\">1. \u63d0\u9ad8\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528Lua\u8173\u672c\u53ef\u4ee5\u5c07\u591a\u500bRedis\u547d\u4ee4\u5408\u4f75\u70ba\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u9700\u8981\u5f9e\u4e00\u500b\u5217\u8868\u4e2d\u522a\u9664\u67d0\u4e9b\u5143\u7d20\u4e26\u8a08\u7b97\u5269\u9918\u5143\u7d20\u7684\u6578\u91cf\uff0c\u9019\u901a\u5e38\u9700\u8981\u591a\u6b21\u5f80\u8fd4\u65bc\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u3002\u800c\u4f7f\u7528Lua\u8173\u672c\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u670d\u52d9\u5668\u7aef\u4e00\u6b21\u6027\u5b8c\u6210\u9019\u4e9b\u64cd\u4f5c\u3002<\/p>\n<pre><code>\nlocal count = 0\nfor i, v in ipairs(redis.call('LRANGE', KEYS[1], 0, -1)) do\n    if v ~= ARGV[1] then\n        count = count + 1\n    end\nend\nreturn count\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e8%a4%87%e9%9b%9c%e9%82%8f%e8%bc%af-zKdhPPzxvA\">2. \u5be6\u73fe\u8907\u96dc\u908f\u8f2f<\/h3>\n<p>Lua\u7684\u9748\u6d3b\u6027\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u5728Redis\u4e2d\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002\u4f8b\u5982\uff0c\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u5c0d\u6578\u64da\u9032\u884c\u7be9\u9078\u548c\u8655\u7406\uff0c\u9019\u5728\u4f7f\u7528\u55ae\u4e00\u7684Redis\u547d\u4ee4\u6642\u53ef\u80fd\u7121\u6cd5\u5be6\u73fe\u3002<\/p>\n<h3 id=\"3-%e5%8e%9f%e5%ad%90%e6%80%a7%e6%93%8d%e4%bd%9c-zKdhPPzxvA\">3. \u539f\u5b50\u6027\u64cd\u4f5c<\/h3>\n<p>Lua\u8173\u672c\u5728Redis\u4e2d\u662f\u539f\u5b50\u57f7\u884c\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\u5c07\u88ab\u963b\u585e\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u4fdd\u8b49\u6578\u64da\u5b8c\u6574\u6027\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%ad%b8%e7%bf%92lua%e7%9a%84%e6%8c%91%e6%88%b0-zKdhPPzxvA\">\u5b78\u7fd2Lua\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1Lua\u5728Redis\u4e2d\u6709\u5176\u512a\u52e2\uff0c\u4f46\u5b78\u7fd2Lua\u4e5f\u4e26\u975e\u6c92\u6709\u6311\u6230\u3002\u5c0d\u65bc\u4e00\u4e9b\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u5b78\u7fd2\u4e00\u9580\u65b0\u7684\u7de8\u7a0b\u8a9e\u8a00\u53ef\u80fd\u6703\u589e\u52a0\u5b78\u7fd2\u6210\u672c\u3002\u6b64\u5916\uff0cLua\u7684\u8a9e\u6cd5\u548c\u7279\u6027\u8207\u5176\u4ed6\u4e3b\u6d41\u8a9e\u8a00\uff08\u5982Python\u6216Java\uff09\u6709\u6240\u4e0d\u540c\uff0c\u9019\u53ef\u80fd\u9700\u8981\u6642\u9593\u4f86\u9069\u61c9\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96%ef%bc%9a%e5%ad%b8%e7%bf%92lua%e6%98%af%e5%90%a6%e5%bf%85%e8%a6%81%ef%bc%9f-zKdhPPzxvA\">\u7d50\u8ad6\uff1a\u5b78\u7fd2Lua\u662f\u5426\u5fc5\u8981\uff1f<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c\u5b78\u7fd2Lua\u5728\u4f7f\u7528Redis\u6642\u4e26\u4e0d\u662f\u7d55\u5c0d\u5fc5\u8981\u7684\uff0c\u4f46\u5b83\u78ba\u5be6\u80fd\u5920\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u66f4\u9ad8\u7684\u9748\u6d3b\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u4f60\u7684\u61c9\u7528\u9700\u8981\u9032\u884c\u8907\u96dc\u7684\u6578\u64da\u8655\u7406\u6216\u9700\u8981\u4fdd\u8b49\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u90a3\u9ebc\u5b78\u7fd2Lua\u5c07\u662f\u975e\u5e38\u6709\u76ca\u7684\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u4e00\u4e9b\u7c21\u55ae\u7684\u61c9\u7528\u5834\u666f\uff0c\u4f7f\u7528Redis\u7684\u57fa\u672c\u547d\u4ee4\u53ef\u80fd\u5df2\u7d93\u8db3\u5920\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u662f\u5426\u5b78\u7fd2Lua\u53d6\u6c7a\u65bc\u4f60\u7684\u5177\u9ad4\u9700\u6c42\u548c\u4f7f\u7528\u5834\u666f\u3002\u5982\u679c\u4f60\u5e0c\u671b\u5145\u5206\u767c\u63eeRedis\u7684\u6f5b\u529b\uff0c\u5b78\u7fd2Lua\u5c07\u662f\u4e00\u500b\u503c\u5f97\u7684\u6295\u8cc7\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zKdhPPzxvA\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u5b78\u7fd2Lua\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3001\u5be6\u73fe\u8907\u96dc\u908f\u8f2f\u548c\u4fdd\u8b49\u539f\u5b50\u6027\u64cd\u4f5c\u3002\u96d6\u7136\u5b78\u7fd2Lua\u53ef\u80fd\u6703\u589e\u52a0\u4e00\u4e9b\u5b78\u7fd2\u6210\u672c\uff0c\u4f46\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5b78\u7fd2Lua\u7684\u5fc5\u8981\u6027\uff0c\u4e86\u89e3\u5728\u4f7f\u7528Redis\u6642Lua\u8173\u672c\u7684\u512a\u7f3a\u9ede\uff0c\u5e6b\u52a9\u4f60\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\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-133401","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/133401","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=133401"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/133401\/revisions"}],"predecessor-version":[{"id":133402,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/133401\/revisions\/133402"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=133401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=133401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=133401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}