{"id":153975,"date":"2024-11-02T11:55:20","date_gmt":"2024-11-02T03:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153975\/"},"modified":"2024-11-02T11:55:21","modified_gmt":"2024-11-02T03:55:21","slug":"%e7%9a%84%e5%a5%bd%e5%b9%ab%e6%89%8bredis%e9%85%8d%e5%90%88lua-%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%ef%bc%88redis%e7%9c%9f%e6%98%aflua%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153975\/","title":{"rendered":"\u7684\u597d\u5e6b\u624bRedis\u914d\u5408Lua \u63d0\u5347\u6548\u7387\uff08redis\u771f\u662flua\uff09"},"content":{"rendered":"<h1 id=\"%e7%9a%84%e5%a5%bd%e5%b9%ab%e6%89%8bredis%e9%85%8d%e5%90%88lua-%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%ef%bc%88redis%e7%9c%9f%e6%98%aflua%ef%bc%89-ZvQGTtXpFn\">\u7684\u597d\u5e6b\u624bRedis\u914d\u5408Lua \u63d0\u5347\u6548\u7387\uff08redis\u771f\u662flua\uff09<\/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\u7ba1\u7406\u54e1\u6240\u8ffd\u6c42\u7684\u76ee\u6a19\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u800cLua\u4f5c\u70ba\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u8173\u672c\u8a9e\u8a00\uff0c\u5247\u70baRedis\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u8207Lua\u7684\u7d50\u5408\u5982\u4f55\u63d0\u5347\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-ZvQGTtXpFn\">Redis\u7c21\u4ecb<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\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\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"lua%e7%b0%a1%e4%bb%8b-ZvQGTtXpFn\">Lua\u7c21\u4ecb<\/h2>\n<p>Lua\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u8173\u672c\u8a9e\u8a00\uff0c\u8a2d\u8a08\u4e0a\u6ce8\u91cd\u7c21\u6f54\u548c\u9ad8\u6548\u3002\u5b83\u7684\u5d4c\u5165\u5f0f\u7279\u6027\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5c07Lua\u8173\u672c\u5d4c\u5165\u5230\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5f9e\u800c\u5be6\u73fe\u9748\u6d3b\u7684\u64f4\u5c55\u3002Lua\u7684\u8a9e\u6cd5\u7c21\u55ae\u6613\u5b78\uff0c\u4e26\u4e14\u5177\u6709\u826f\u597d\u7684\u6027\u80fd\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis%e8%88%87lua%e7%9a%84%e7%b5%90%e5%90%88-ZvQGTtXpFn\">Redis\u8207Lua\u7684\u7d50\u5408<\/h2>\n<p>Redis\u652f\u6301Lua\u8173\u672c\u7684\u57f7\u884c\uff0c\u9019\u4e00\u7279\u6027\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5728Redis\u670d\u52d9\u5668\u7aef\u57f7\u884c\u8907\u96dc\u7684\u64cd\u4f5c\uff0c\u800c\u7121\u9700\u5c07\u6578\u64da\u50b3\u8f38\u5230\u5ba2\u6236\u7aef\u9032\u884c\u8655\u7406\u3002\u9019\u6a23\u4e0d\u50c5\u6e1b\u5c11\u4e86\u7db2\u7d61\u5ef6\u9072\uff0c\u9084\u63d0\u9ad8\u4e86\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87lua%ef%bc%9f-ZvQGTtXpFn\">\u70ba\u4ec0\u9ebc\u9078\u64c7Lua\uff1f<\/h3>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u5728Redis\u4e2d\u57f7\u884cLua\u8173\u672c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u7121\u6cd5\u5c0d\u6578\u64da\u9032\u884c\u4fee\u6539\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u7db2\u7d61\u958b\u92b7\uff1a<\/strong>\u901a\u904e\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u8173\u672c\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u6578\u64da\u50b3\u8f38\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>Lua\u8a9e\u8a00\u7684\u9748\u6d3b\u6027\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7de8\u5beb\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u4e26\u5728Redis\u4e2d\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-ZvQGTtXpFn\">\u4f7f\u7528\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Lua\u8173\u672c\u793a\u4f8b\uff0c\u8a72\u8173\u672c\u7528\u65bc\u8a08\u7b97\u4e00\u500b\u5217\u8868\u4e2d\u6240\u6709\u5143\u7d20\u7684\u7e3d\u548c\uff1a<\/p>\n<pre><code>\nlocal sum = 0\nlocal list = redis.call('LRANGE', KEYS[1], 0, -1)\nfor i=1, #list do\n    sum = sum + tonumber(list[i])\nend\nreturn sum\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528`LRANGE`\u547d\u4ee4\u7372\u53d6\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u7136\u5f8c\u8a08\u7b97\u5b83\u5011\u7684\u7e3d\u548c\u3002\u9019\u500b\u64cd\u4f5c\u5728Redis\u670d\u52d9\u5668\u7aef\u5b8c\u6210\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6548\u7387\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-ZvQGTtXpFn\">\u6027\u80fd\u512a\u52e2<\/h2>\n<p>\u6839\u64da\u4e00\u4e9b\u57fa\u6e96\u6e2c\u8a66\uff0c\u4f7f\u7528Lua\u8173\u672c\u7684Redis\u64cd\u4f5c\u6bd4\u50b3\u7d71\u7684\u591a\u6b21\u8acb\u6c42\u8981\u5feb\u5f97\u591a\u3002\u9019\u662f\u56e0\u70baLua\u8173\u672c\u53ef\u4ee5\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u5b8c\u6210\u591a\u500b\u64cd\u4f5c\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u7db2\u7d61\u5ef6\u9072\u548c\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZvQGTtXpFn\">\u7d50\u8ad6<\/h2>\n<p>Redis\u8207Lua\u7684\u7d50\u5408\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\u3002\u901a\u904e\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884cLua\u8173\u672c\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u8655\u7406\u3001\u7de9\u5b58\u9084\u662f\u5be6\u6642\u5206\u6790\u4e2d\uff0c\u9019\u7a2e\u7d44\u5408\u90fd\u80fd\u5920\u767c\u63ee\u51fa\u8272\u7684\u6548\u679c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528Redis\u548cLua\u7684\u7d44\u5408\uff0c\u4e26\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u670d\u52d9\u5668\uff0c\u78ba\u4fdd\u6700\u4f73\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u8207Lua\u7d50\u5408\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u61c9\u7528\u6027\u80fd\u3002Redis\u771f\u662fLua\u7684\u6700\u4f73\u5e6b\u624b\uff01<\/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-153975","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153975","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=153975"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153975\/revisions"}],"predecessor-version":[{"id":153976,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153975\/revisions\/153976"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}