{"id":159317,"date":"2024-11-03T13:28:23","date_gmt":"2024-11-03T05:28:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159317\/"},"modified":"2024-11-03T13:28:24","modified_gmt":"2024-11-03T05:28:24","slug":"%e7%b4%85%e8%89%b2%e7%9a%84%e5%90%8c%e6%ad%a5%e5%ae%88%e8%ad%b7%e4%bd%bf%e7%94%a8redis%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e7%9a%84%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159317\/","title":{"rendered":"\u7d05\u8272\u7684\u540c\u6b65\u5b88\u8b77\u4f7f\u7528Redis\u7684\u9396\u6a5f\u5236\uff08redis\u7684\u540c\u6b65\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%9a%84%e5%90%8c%e6%ad%a5%e5%ae%88%e8%ad%b7%e4%bd%bf%e7%94%a8redis%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e7%9a%84%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%89-cLxNSvnnoa\">\u7d05\u8272\u7684\u540c\u6b65\u5b88\u8b77\u4f7f\u7528Redis\u7684\u9396\u6a5f\u5236\uff08redis\u7684\u540c\u6b65\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u8cc7\u6e90\u7684\u6709\u6548\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u5982\u4f55\u5728\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u4e4b\u9593\u5b89\u5168\u5730\u5171\u4eab\u8cc7\u6e90\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u540c\u6b65\u9396\u6a5f\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u540c\u6b65\u9396\u6a5f\u5236\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%9a%84%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%9f-cLxNSvnnoa\">\u4ec0\u9ebc\u662fRedis\u7684\u540c\u6b65\u9396\uff1f<\/h2>\n<p>Redis\u7684\u540c\u6b65\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u5141\u8a31\u591a\u500b\u5ba2\u6236\u7aef\u5728\u540c\u4e00\u6642\u9593\u5167\u8a2a\u554f\u8cc7\u6e90\uff0c\u4f46\u53ea\u6709\u7372\u5f97\u9396\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u9032\u884c\u5beb\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-cLxNSvnnoa\">Redis\u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis\u7684\u9396\u6a5f\u5236\u901a\u5e38\u57fa\u65bcSETNX\u547d\u4ee4\uff08Set if Not eXists\uff09\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u6210\u529f\u3002\u9019\u610f\u5473\u8457\u6211\u5011\u53ef\u4ee5\u5229\u7528\u9019\u500b\u7279\u6027\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e7%8d%b2%e5%8f%96-cLxNSvnnoa\">\u9396\u7684\u7372\u53d6<\/h3>\n<pre><code>\nSET lock_key unique_lock_value NX PX 30000\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c<code>lock_key<\/code>\u662f\u9396\u7684\u540d\u7a31\uff0c<code>unique_lock_value<\/code>\u662f\u552f\u4e00\u6a19\u8b58\u7b26\uff0c<code>NX<\/code>\u8868\u793a\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u8a2d\u7f6e\uff0c<code>PX 30000<\/code>\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u70ba30\u79d2\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-cLxNSvnnoa\">\u9396\u7684\u91cb\u653e<\/h3>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u91cb\u653e\u5b83\u3002\u9019\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u9396\u7684\u503c\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>\nif (GET lock_key == unique_lock_value) {\n    DEL lock_key\n}\n<\/code><\/pre>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-cLxNSvnnoa\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-cLxNSvnnoa\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u9396\u6a5f\u5236\u57fa\u65bc\u5167\u5b58\u64cd\u4f5c\uff0c\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u9396\u6a5f\u5236\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u5be6\u73fe\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>Redis\u652f\u6301\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\uff0c\u9069\u5408\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-cLxNSvnnoa\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u904e\u671f\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u5d29\u6f70\uff0c\u9396\u53ef\u80fd\u6703\u5728\u904e\u671f\u5f8c\u88ab\u91cb\u653e\uff0c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>\u6b7b\u9396\u98a8\u96aa\uff1a<\/strong>\u5982\u679c\u9396\u7684\u7ba1\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-cLxNSvnnoa\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u7576\u7528\u6236\u4e0b\u55ae\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u6aa2\u67e5\u5eab\u5b58\u4e26\u66f4\u65b0\u5eab\u5b58\u6578\u91cf\u3002\u9019\u662f\u4e00\u500b\u5178\u578b\u7684\u9700\u8981\u4f7f\u7528\u9396\u7684\u5834\u666f\u3002\u901a\u904e\u4f7f\u7528Redis\u7684\u9396\u6a5f\u5236\uff0c\u53ef\u4ee5\u78ba\u4fdd\u5728\u5eab\u5b58\u66f4\u65b0\u904e\u7a0b\u4e2d\u4e0d\u6703\u51fa\u73fe\u6578\u64da\u7af6\u722d\uff0c\u5f9e\u800c\u4fdd\u8b49\u5eab\u5b58\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-cLxNSvnnoa\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u540c\u6b65\u9396\u6a5f\u5236\u70ba\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u8cc7\u6e90\u7ba1\u7406\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u9396\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u8b39\u614e\u7ba1\u7406\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u6b7b\u9396\u548c\u904e\u671f\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73feRedis\u7684\u9396\u6a5f\u5236\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u7684\u540c\u6b65\u5b88\u8b77\u5982\u4f55\u5229\u7528Redis\u7684\u9396\u6a5f\u5236\u5be6\u73fe\u9ad8\u6548\u7684\u540c\u6b65\u9396\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\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-159317","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159317","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=159317"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159317\/revisions"}],"predecessor-version":[{"id":159318,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159317\/revisions\/159318"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}