{"id":193719,"date":"2024-11-13T00:32:21","date_gmt":"2024-11-12T16:32:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193719\/"},"modified":"2024-11-13T00:32:23","modified_gmt":"2024-11-12T16:32:23","slug":"%e7%a0%94%e7%a9%b6redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%8e%9f%e5%ad%90%e6%80%a7%e7%89%b9%e5%be%b5%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%8e%9f%e5%ad%90%e7%89%b9%e6%80%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193719\/","title":{"rendered":"\u7814\u7a76Redis\u7de9\u5b58\u7684\u539f\u5b50\u6027\u7279\u5fb5\uff08redis\u7de9\u5b58\u7684\u539f\u5b50\u7279\u6027\uff09"},"content":{"rendered":"<h1 id=\"%e7%a0%94%e7%a9%b6redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%8e%9f%e5%ad%90%e6%80%a7%e7%89%b9%e5%be%b5%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%8e%9f%e5%ad%90%e7%89%b9%e6%80%a7%ef%bc%89-EKkMqdFJRP\">\u7814\u7a76Redis\u7de9\u5b58\u7684\u539f\u5b50\u6027\u7279\u5fb5\uff08redis\u7de9\u5b58\u7684\u539f\u5b50\u7279\u6027\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u7de9\u5b58\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7de9\u5b58\u7684\u539f\u5b50\u6027\u7279\u5fb5\uff0c\u4e26\u5206\u6790\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8e%9f%e5%ad%90%e6%80%a7%ef%bc%9f-EKkMqdFJRP\">\u4ec0\u9ebc\u662f\u539f\u5b50\u6027\uff1f<\/h2>\n<p>\u539f\u5b50\u6027\u662f\u6307\u4e00\u500b\u64cd\u4f5c\u8981\u9ebc\u5b8c\u5168\u57f7\u884c\uff0c\u8981\u9ebc\u5b8c\u5168\u4e0d\u57f7\u884c\uff0c\u9019\u610f\u5473\u8457\u5728\u64cd\u4f5c\u904e\u7a0b\u4e2d\u4e0d\u6703\u6709\u5176\u4ed6\u64cd\u4f5c\u4ecb\u5165\u3002\u9019\u4e00\u7279\u6027\u5728\u591a\u7dda\u7a0b\u6216\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%8e%9f%e5%ad%90%e6%80%a7%e6%93%8d%e4%bd%9c-EKkMqdFJRP\">Redis\u7684\u539f\u5b50\u6027\u64cd\u4f5c<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5728\u55ae\u500b\u547d\u4ee4\u4e2d\u5b8c\u6210\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u591a\u500b\u547d\u4ee4\u4e4b\u9593\u7684\u7af6\u722d\u689d\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u5b50\u6027\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><code>INCR<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5c0d\u4e00\u500b\u9375\u7684\u6574\u6578\u503c\u9032\u884c\u81ea\u589e\u64cd\u4f5c\uff0c\u4e26\u4e14\u662f\u539f\u5b50\u6027\u7684\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre><code>INCR mycounter<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u5c07<code>mycounter<\/code>\u7684\u503c\u52a01\uff0c\u7121\u8ad6\u6709\u591a\u5c11\u5ba2\u6236\u7aef\u540c\u6642\u57f7\u884c\u9019\u500b\u547d\u4ee4\uff0c\u6700\u7d42\u7684\u7d50\u679c\u90fd\u662f\u6b63\u78ba\u7684\u3002<\/p>\n<ul>\n<li><code>SETNX<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u7528\u65bc\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u503c\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u57f7\u884c\u3002\u9019\u4e5f\u662f\u4e00\u500b\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u9069\u5408\u7528\u65bc\u9396\u7684\u5be6\u73fe\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre><code>SETNX mylock \"locked\"<\/code><\/pre>\n<p>\u5982\u679c<code>mylock<\/code>\u5df2\u7d93\u5b58\u5728\uff0c\u9019\u500b\u547d\u4ee4\u5c07\u4e0d\u6703\u6539\u8b8a\u5176\u503c\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u591a\u500b\u9032\u7a0b\u540c\u6642\u7372\u53d6\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e5%92%8clua%e8%85%b3%e6%9c%ac-EKkMqdFJRP\">\u4e8b\u52d9\u548cLua\u8173\u672c<\/h2>\n<p>\u9664\u4e86\u55ae\u500b\u547d\u4ee4\u7684\u539f\u5b50\u6027\uff0cRedis\u9084\u652f\u6301\u4e8b\u52d9\u548cLua\u8173\u672c\uff0c\u9019\u4e9b\u529f\u80fd\u9032\u4e00\u6b65\u589e\u5f37\u4e86\u5176\u539f\u5b50\u6027\u7279\u5fb5\u3002<\/p>\n<h3 id=\"%e4%ba%8b%e5%8b%99-EKkMqdFJRP\">\u4e8b\u52d9<\/h3>\n<p>Redis\u7684\u4e8b\u52d9\u662f\u901a\u904e<code>MULTI<\/code>\u3001<code>EXEC<\/code>\u3001<code>DISCARD<\/code>\u7b49\u547d\u4ee4\u4f86\u5be6\u73fe\u7684\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u958b\u59cb\u5f8c\uff0c\u6240\u6709\u7684\u547d\u4ee4\u90fd\u6703\u88ab\u6392\u968a\uff0c\u76f4\u5230<code>EXEC<\/code>\u88ab\u8abf\u7528\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u4e8b\u52d9\u57f7\u884c\u671f\u9593\u4e0d\u6703\u6709\u5176\u4ed6\u547d\u4ee4\u4ecb\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>MULTI\nSET key1 \"value1\"\nSET key2 \"value2\"\nEXEC<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>key1<\/code>\u548c<code>key2<\/code>\u7684\u8a2d\u7f6e\u64cd\u4f5c\u5c07\u6703\u88ab\u539f\u5b50\u6027\u5730\u57f7\u884c\u3002<\/p>\n<h3 id=\"lua%e8%85%b3%e6%9c%ac-EKkMqdFJRP\">Lua\u8173\u672c<\/h3>\n<p>Redis\u9084\u652f\u6301\u4f7f\u7528Lua\u8173\u672c\u4f86\u57f7\u884c\u591a\u500b\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u5c07\u5728Redis\u670d\u52d9\u5668\u7aef\u539f\u5b50\u6027\u5730\u57f7\u884c\u3002\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u4e0d\u6703\u6709\u5176\u4ed6\u547d\u4ee4\u88ab\u57f7\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>eval \"redis.call('set', KEYS[1], ARGV[1])\" 1 mykey \"myvalue\"<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u5728Redis\u670d\u52d9\u5668\u4e0a\u539f\u5b50\u6027\u5730\u8a2d\u7f6e<code>mykey<\/code>\u7684\u503c\u70ba<code>myvalue<\/code>\u3002<\/p>\n<h2 id=\"%e5%8e%9f%e5%ad%90%e6%80%a7%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-EKkMqdFJRP\">\u539f\u5b50\u6027\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u539f\u5b50\u6027\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u6578\u64da\u7af6\u722d\u7684\u95dc\u9375\u3002Redis\u7684\u539f\u5b50\u6027\u7279\u5fb5\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u5b89\u5168\u5730\u64cd\u4f5c\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-EKkMqdFJRP\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u539f\u5b50\u6027\u7279\u5fb5\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u7ba1\u7406\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u4f7f\u7528\u539f\u5b50\u6027\u64cd\u4f5c\u3001\u4e8b\u52d9\u548cLua\u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u5b89\u5168\u5730\u57f7\u884c\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3Redis\u7684\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u5be6\u73fe\u5176\u7cfb\u7d71\u67b6\u69cb\uff0c\u5f9e\u800c\u5728\u7af6\u722d\u4e2d\u812b\u7a4e\u800c\u51fa\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7de9\u5b58\u7684\u539f\u5b50\u6027\u7279\u5fb5\uff0c\u4e86\u89e3\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u53ef\u9760\u6027\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-193719","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193719","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=193719"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193719\/revisions"}],"predecessor-version":[{"id":193720,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193719\/revisions\/193720"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}