{"id":125063,"date":"2024-10-25T19:30:20","date_gmt":"2024-10-25T11:30:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125063\/"},"modified":"2024-10-25T19:30:21","modified_gmt":"2024-10-25T11:30:21","slug":"redis-%e8%85%b3%e6%9c%ac%e7%b4%b0%e8%aa%aa%e9%81%8b%e7%94%a8%e5%a7%bf%e5%8b%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125063\/","title":{"rendered":"Redis \u8173\u672c\u7d30\u8aaa\u904b\u7528\u59ff\u52e2"},"content":{"rendered":"<h1 id=\"redis-%e8%85%b3%e6%9c%ac%e7%b4%b0%e8%aa%aa%e9%81%8b%e7%94%a8%e5%a7%bf%e5%8b%a2-SKbOfSaIjt\">Redis \u8173\u672c\u7d30\u8aaa\u904b\u7528\u59ff\u52e2<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u5176\u5f37\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u662f\u652f\u6301\u8173\u672c\u7de8\u5beb\uff0c\u7279\u5225\u662f\u4f7f\u7528 Lua \u8173\u672c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u8173\u672c\u7684\u904b\u7528\u59ff\u52e2\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u7279\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e8%85%b3%e6%9c%ac%ef%bc%9f-SKbOfSaIjt\">\u4ec0\u9ebc\u662f Redis \u8173\u672c\uff1f<\/h2>\n<p>Redis \u8173\u672c\u662f\u6307\u4f7f\u7528 Lua \u8a9e\u8a00\u7de8\u5beb\u7684\u8173\u672c\uff0c\u9019\u4e9b\u8173\u672c\u53ef\u4ee5\u5728 Redis \u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u8207\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u7576\u4e00\u500b\u8173\u672c\u5728 Redis \u4e2d\u57f7\u884c\u6642\uff0c\u5b83\u53ef\u4ee5\u539f\u5b50\u6027\u5730\u57f7\u884c\u591a\u500b\u547d\u4ee4\uff0c\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u7121\u6cd5\u5e72\u64fe\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-redis-%e8%85%b3%e6%9c%ac%ef%bc%9f-SKbOfSaIjt\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 Redis \u8173\u672c\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u901a\u904e\u5c07\u591a\u500b\u547d\u4ee4\u5408\u4f75\u70ba\u4e00\u500b\u8173\u672c\uff0c\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u8173\u672c\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u4fdd\u6301\u6578\u64da\u4e00\u81f4\u6027\u7684\u64cd\u4f5c\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u7c21\u5316\u908f\u8f2f\uff1a<\/strong>\u53ef\u4ee5\u5c07\u8907\u96dc\u7684\u908f\u8f2f\u653e\u5728\u4f3a\u670d\u5668\u7aef\uff0c\u6e1b\u5c11\u5ba2\u6236\u7aef\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%b7%a8%e5%af%ab%e5%92%8c%e5%9f%b7%e8%a1%8c-redis-%e8%85%b3%e6%9c%ac-SKbOfSaIjt\">\u5982\u4f55\u7de8\u5beb\u548c\u57f7\u884c Redis \u8173\u672c<\/h2>\n<p>\u7de8\u5beb Redis \u8173\u672c\u76f8\u5c0d\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n-- \u8a08\u7b97\u4e00\u500b\u9375\u7684\u503c\u7684\u5e73\u65b9\u4e26\u8fd4\u56de\nlocal value = redis.call('GET', KEYS[1])\nif value then\n    return tonumber(value) * tonumber(value)\nelse\n    return nil\nend\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b Lua \u8173\u672c\uff0c\u8a72\u8173\u672c\u5f9e Redis \u4e2d\u7372\u53d6\u4e00\u500b\u9375\u7684\u503c\uff0c\u7136\u5f8c\u8fd4\u56de\u8a72\u503c\u7684\u5e73\u65b9\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de nil\u3002<\/p>\n<h3 id=\"%e5%9f%b7%e8%a1%8c%e8%85%b3%e6%9c%ac-SKbOfSaIjt\">\u57f7\u884c\u8173\u672c<\/h3>\n<p>\u8981\u5728 Redis \u4e2d\u57f7\u884c\u8173\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EVAL<\/code> \u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u57f7\u884c\u4e0a\u9762\u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nEVAL \"local value = redis.call('GET', KEYS[1]) if value then return tonumber(value) * tonumber(value) else return nil end\" 1 mykey\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>1<\/code> \u8868\u793a\u6709\u4e00\u500b\u9375\uff08<code>mykey<\/code>\uff09\u5c07\u88ab\u50b3\u905e\u7d66\u8173\u672c\u3002<\/p>\n<h2 id=\"%e8%85%b3%e6%9c%ac%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-SKbOfSaIjt\">\u8173\u672c\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u907f\u514d\u9577\u6642\u9593\u904b\u884c\u7684\u8173\u672c\uff1a<\/strong>\u9577\u6642\u9593\u904b\u884c\u7684\u8173\u672c\u53ef\u80fd\u6703\u5c0e\u81f4 Redis \u4f3a\u670d\u5668\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u61c9\u76e1\u91cf\u4fdd\u6301\u8173\u672c\u7684\u57f7\u884c\u6642\u9593\u77ed\u3002<\/li>\n<li><strong>\u4f7f\u7528 KEYS \u548c ARGV\uff1a<\/strong>\u5229\u7528 KEYS \u548c ARGV \u53c3\u6578\u4f86\u50b3\u905e\u9375\u548c\u53c3\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u4f7f\u8173\u672c\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u8173\u672c\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\u4e4b\u524d\uff0c\u61c9\u5728\u958b\u767c\u74b0\u5883\u4e2d\u5145\u5206\u6e2c\u8a66\u8173\u672c\u7684\u6b63\u78ba\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SKbOfSaIjt\">\u7d50\u8ad6<\/h2>\n<p>Redis \u8173\u672c\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528 Lua \u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7c21\u5316\u908f\u8f2f\u3001\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027\u4e26\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0cRedis \u8173\u672c\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u8173\u672c\u7684\u904b\u7528\u6280\u5de7\uff0c\u6df1\u5165\u4e86\u89e3\u5982\u4f55\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u8b93\u4f60\u7684\u6578\u64da\u8655\u7406\u66f4\u6d41\u66a2\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-125063","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125063","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=125063"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125063\/revisions"}],"predecessor-version":[{"id":125064,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125063\/revisions\/125064"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}