{"id":161467,"date":"2024-11-04T06:40:26","date_gmt":"2024-11-03T22:40:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161467\/"},"modified":"2024-11-04T06:40:27","modified_gmt":"2024-11-03T22:40:27","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f%e5%8f%8a%e6%b7%b1%e5%ba%a6%e5%89%96%e6%9e%90%ef%bc%88redis-%e9%8e%96%e5%ba%95%e5%b1%a4%e5%af%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161467\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u9396\u6a5f\u5236\u5be6\u73fe\u65b9\u5f0f\u53ca\u6df1\u5ea6\u5256\u6790\uff08redis \u9396\u5e95\u5c64\u5be6\u73fe\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f%e5%8f%8a%e6%b7%b1%e5%ba%a6%e5%89%96%e6%9e%90%ef%bc%88redis-%e9%8e%96%e5%ba%95%e5%b1%a4%e5%af%a6-mFQKQtZYhh\">\u57fa\u65bc Redis \u7684\u9396\u6a5f\u5236\u5be6\u73fe\u65b9\u5f0f\u53ca\u6df1\u5ea6\u5256\u6790\uff08redis \u9396\u5e95\u5c64\u5be6\u73fe\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u6a5f\u5236\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u5c31\u662f\u57fa\u65bc Redis \u7684\u5206\u4f48\u5f0f\u9396\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u9396\u6a5f\u5236\u7684\u5be6\u73fe\u65b9\u5f0f\u53ca\u5176\u5e95\u5c64\u539f\u7406\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-mFQKQtZYhh\">Redis \u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u9396\u7684\u57fa\u672c\u6982\u5ff5\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u63a7\u5236\u5c0d\u67d0\u500b\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u9700\u8981\u8a2a\u554f\u67d0\u500b\u8cc7\u6e90\u6642\uff0c\u5b83\u9996\u5148\u5617\u8a66\u7372\u53d6\u9396\uff0c\u53ea\u6709\u5728\u6210\u529f\u7372\u53d6\u9396\u7684\u60c5\u6cc1\u4e0b\uff0c\u624d\u80fd\u9032\u884c\u5f8c\u7e8c\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-mFQKQtZYhh\">Redis \u9396\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<h3 id=\"1-%e7%b0%a1%e5%96%ae%e9%8e%96-mFQKQtZYhh\">1. \u7c21\u55ae\u9396<\/h3>\n<p>\u6700\u57fa\u672c\u7684 Redis \u9396\u5be6\u73fe\u65b9\u5f0f\u662f\u4f7f\u7528 <code>SETNX<\/code> \u547d\u4ee4\u3002\u8a72\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\uff0c\u624d\u6703\u8a2d\u7f6e\u9375\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u7c21\u55ae\u9396\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u5982\u679c <code>SETNX<\/code> \u8fd4\u56de 1\uff0c\u5247\u8868\u793a\u9396\u7372\u53d6\u6210\u529f\uff1b\u5982\u679c\u8fd4\u56de 0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u53d6\u3002<\/p>\n<h3 id=\"2-%e5%b8%b6%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e9%8e%96-mFQKQtZYhh\">2. \u5e36\u904e\u671f\u6642\u9593\u7684\u9396<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u901a\u5e38\u6703\u70ba\u9396\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u5373\u4f7f\u7372\u53d6\u9396\u7684\u5ba2\u6236\u7aef\u5728\u64cd\u4f5c\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u5728\u904e\u671f\u5f8c\u81ea\u52d5\u91cb\u653e\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\u7684 <code>EX<\/code> \u53c3\u6578\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>SET lock_key unique_lock_value EX 10 NX\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u9396\u6703\u5728 10 \u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<h3 id=\"3-%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-mFQKQtZYhh\">3. \u9396\u7684\u91cb\u653e<\/h3>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u8b39\u614e\uff0c\u5fc5\u9808\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u91cb\u653e\u9396\u3002\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u9396\u7684\u503c\u4f86\u78ba\u4fdd\u9019\u4e00\u9ede\uff1a<\/p>\n<pre><code>if (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%ba%95%e5%b1%a4%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-mFQKQtZYhh\">Redis \u9396\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406<\/h2>\n<p>Redis \u9396\u7684\u5e95\u5c64\u5be6\u73fe\u4f9d\u8cf4\u65bc Redis \u7684\u539f\u5b50\u6027\u64cd\u4f5c\u3002Redis \u7684\u6240\u6709\u64cd\u4f5c\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c <code>SETNX<\/code> \u6216 <code>DEL<\/code> \u547d\u4ee4\u6642\uff0c\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u6253\u65b7\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97 Redis \u9396\u80fd\u5920\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\u4fdd\u6301\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u6b64\u5916\uff0cRedis \u7684\u55ae\u7dda\u7a0b\u6a21\u578b\u4e5f\u4f7f\u5f97\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u904e\u7a0b\u4e0d\u6703\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\uff0c\u9019\u662f Redis \u9396\u7684\u4e00\u500b\u91cd\u8981\u512a\u52e2\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-mFQKQtZYhh\">Redis \u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-mFQKQtZYhh\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis \u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u80fd\u5920\u652f\u6301\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\u3002<\/li>\n<li>\u7c21\u55ae\u6613\u7528\uff1a\u4f7f\u7528 Redis \u5be6\u73fe\u9396\u6a5f\u5236\u76f8\u5c0d\u7c21\u55ae\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<li>\u652f\u6301\u5206\u4f48\u5f0f\uff1aRedis \u9396\u53ef\u4ee5\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u5171\u4eab\uff0c\u9069\u5408\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-mFQKQtZYhh\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u4f9d\u8cf4\u65bc Redis \u7684\u53ef\u7528\u6027\uff1a\u5982\u679c Redis \u51fa\u73fe\u6545\u969c\uff0c\u9396\u5c07\u7121\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li>\u53ef\u80fd\u51fa\u73fe\u6b7b\u9396\uff1a\u5982\u679c\u9396\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mFQKQtZYhh\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u9396\u6a5f\u5236\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u7528\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u8cc7\u6e90\u7ba1\u7406\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u548c\u91cb\u653e\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6b7b\u9396\u548c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u4f75\u767c\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u5834\u666f\uff0cRedis \u9396\u63d0\u4f9b\u4e86\u4e00\u500b\u53ef\u9760\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5256\u6790\u57fa\u65bc Redis \u7684\u9396\u6a5f\u5236\u5be6\u73fe\u65b9\u5f0f\uff0c\u63a2\u8a0e\u5176\u5e95\u5c64\u539f\u7406\u8207\u61c9\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u4e26\u767c\u63a7\u5236\u8207\u6027\u80fd\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-161467","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161467","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=161467"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161467\/revisions"}],"predecessor-version":[{"id":161468,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161467\/revisions\/161468"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}