{"id":125061,"date":"2024-10-25T19:29:19","date_gmt":"2024-10-25T11:29:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125061\/"},"modified":"2024-10-25T19:29:20","modified_gmt":"2024-10-25T11:29:20","slug":"redis-%e8%85%b3%e6%9c%ac%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125061\/","title":{"rendered":"Redis \u8173\u672c\u4f7f\u7528\u6307\u5357\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406"},"content":{"rendered":"<h1 id=\"redis-%e8%85%b3%e6%9c%ac%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-cxlXrtNtHJ\">Redis \u8173\u672c\u4f7f\u7528\u6307\u5357\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u548c\u9ad8\u6548\u7684\u6578\u64da\u64cd\u4f5c\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u8173\u672c\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e8%85%b3%e6%9c%ac%ef%bc%9f-cxlXrtNtHJ\">\u4ec0\u9ebc\u662f Redis \u8173\u672c\uff1f<\/h2>\n<p>Redis \u8173\u672c\u662f\u4f7f\u7528 Lua \u8a9e\u8a00\u7de8\u5beb\u7684\u8173\u672c\uff0c\u5141\u8a31\u7528\u6236\u5728 Redis \u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u591a\u500b\u547d\u4ee4\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u9084\u80fd\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u901a\u904e\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u5230\u4e00\u500b\u8173\u672c\u4e2d\uff0cRedis \u53ef\u4ee5\u5728\u55ae\u500b\u8acb\u6c42\u4e2d\u57f7\u884c\u6240\u6709\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\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-cxlXrtNtHJ\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 Redis \u8173\u672c\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u901a\u904e\u6e1b\u5c11\u5ba2\u6236\u7aef\u548c\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u5f80\u8fd4\u6b21\u6578\uff0cRedis \u8173\u672c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u6240\u6709\u5728\u8173\u672c\u4e2d\u57f7\u884c\u7684\u547d\u4ee4\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff0c\u907f\u514d\u4e86\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u7c21\u5316\u908f\u8f2f\uff1a<\/strong>\u5c07\u8907\u96dc\u7684\u908f\u8f2f\u653e\u5728\u4f3a\u670d\u5668\u7aef\u57f7\u884c\uff0c\u53ef\u4ee5\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-cxlXrtNtHJ\">\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\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%b7%a8%e5%af%ab-lua-%e8%85%b3%e6%9c%ac-cxlXrtNtHJ\">1. \u7de8\u5beb Lua \u8173\u672c<\/h3>\n<pre><code>\nlocal key = KEYS[1]\nlocal value = ARGV[1]\n\n-- \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\nif redis.call(\"EXISTS\", key) == 0 then\n    redis.call(\"SET\", key, value)\n    return \"Key set\"\nelse\n    return \"Key already exists\"\nend\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u8173\u672c\u6aa2\u67e5\u6307\u5b9a\u7684\u9375\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5247\u8a2d\u7f6e\u8a72\u9375\u7684\u503c\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-eval-%e5%91%bd%e4%bb%a4%e5%9f%b7%e8%a1%8c%e8%85%b3%e6%9c%ac-cxlXrtNtHJ\">2. \u4f7f\u7528 EVAL \u547d\u4ee4\u57f7\u884c\u8173\u672c<\/h3>\n<p>\u8981\u57f7\u884c\u8173\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EVAL<\/code> \u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u4e0a\u8ff0\u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nEVAL \"local key = KEYS[1] local value = ARGV[1] if redis.call('EXISTS', key) == 0 then redis.call('SET', key, value) return 'Key set' else return 'Key already exists' end\" 1 mykey \"myvalue\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u547d\u4ee4\u4e2d\uff0c<code>1<\/code> \u8868\u793a\u6709\u4e00\u500b\u9375\uff0c<code>mykey<\/code> \u662f\u9375\u540d\uff0c<code>myvalue<\/code> \u662f\u8981\u8a2d\u7f6e\u7684\u503c\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-cxlXrtNtHJ\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>Redis \u8173\u672c\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u8a08\u6578\u5668\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u8173\u672c\u4f86\u539f\u5b50\u6027\u5730\u589e\u52a0\u8a08\u6578\u5668\u7684\u503c\uff0c\u907f\u514d\u7af6\u722d\u689d\u4ef6\u3002<\/li>\n<li><strong>\u6279\u91cf\u64cd\u4f5c\uff1a<\/strong>\u5728\u9700\u8981\u5c0d\u591a\u500b\u9375\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u53ef\u4ee5\u5c07\u6240\u6709\u64cd\u4f5c\u653e\u5728\u4e00\u500b\u8173\u672c\u4e2d\u57f7\u884c\u3002<\/li>\n<li><strong>\u6578\u64da\u9a57\u8b49\uff1a<\/strong>\u5728\u8a2d\u7f6e\u6578\u64da\u4e4b\u524d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8173\u672c\u9032\u884c\u9a57\u8b49\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-cxlXrtNtHJ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u8173\u672c\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u8173\u672c\u7684\u57f7\u884c\u6642\u9593\u61c9\u8a72\u76e1\u91cf\u77ed\uff0c\u4ee5\u907f\u514d\u963b\u585e Redis \u4f3a\u670d\u5668\u3002<\/li>\n<li>\u907f\u514d\u5728\u8173\u672c\u4e2d\u4f7f\u7528\u9577\u6642\u9593\u904b\u884c\u7684\u64cd\u4f5c\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li>\u6e2c\u8a66\u8173\u672c\u7684\u6b63\u78ba\u6027\u548c\u6027\u80fd\uff0c\u78ba\u4fdd\u5176\u5728\u751f\u7522\u74b0\u5883\u4e2d\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cxlXrtNtHJ\">\u7e3d\u7d50<\/h2>\n<p>Redis \u8173\u672c\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3001\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u4e26\u7c21\u5316\u908f\u8f2f\u8655\u7406\u3002\u7121\u8ad6\u662f\u5728\u8a08\u6578\u5668\u3001\u6279\u91cf\u64cd\u4f5c\u9084\u662f\u6578\u64da\u9a57\u8b49\u65b9\u9762\uff0cRedis \u8173\u672c\u90fd\u80fd\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 Redis \u8173\u672c\u4f86\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u52a9\u60a8\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u8173\u672c\u4f7f\u7528\u6307\u5357\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u8207\u64cd\u4f5c\u6548\u7387\uff0c\u5be6\u73fe\u6700\u4f73\u6578\u64da\u8655\u7406\u7b56\u7565\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-125061","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125061","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=125061"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125061\/revisions"}],"predecessor-version":[{"id":125062,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125061\/revisions\/125062"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}