{"id":99188,"date":"2024-10-21T08:52:18","date_gmt":"2024-10-21T00:52:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99188\/"},"modified":"2024-10-21T08:52:19","modified_gmt":"2024-10-21T00:52:19","slug":"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e6%89%93%e9%96%8b%e5%90%8c%e6%ad%a5%e7%9a%84%e5%a4%a7%e9%96%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99188\/","title":{"rendered":"Redis \u5206\u5e03\u5f0f\u9396\u6253\u958b\u540c\u6b65\u7684\u5927\u9580"},"content":{"rendered":"<h1 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e6%89%93%e9%96%8b%e5%90%8c%e6%ad%a5%e7%9a%84%e5%a4%a7%e9%96%80-bJbkQSInzm\">Redis \u5206\u5e03\u5f0f\u9396\u6253\u958b\u540c\u6b65\u7684\u5927\u9580<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u540c\u6b65\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u5fae\u670d\u52d9\u67b6\u69cb\u7684\u666e\u53ca\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u591a\u500b\u670d\u52d9\u4e4b\u9593\u7684\u8cc7\u6e90\u7af6\u722d\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\u5206\u5e03\u5f0f\u9396\u7684\u529f\u80fd\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u5206\u5e03\u5f0f\u9396\u7684\u539f\u7406\u3001\u5be6\u73fe\u65b9\u5f0f\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-bJbkQSInzm\">\u4ec0\u9ebc\u662f\u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7576\u591a\u500b\u5be6\u4f8b\u540c\u6642\u5617\u8a66\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u3002\u5206\u5e03\u5f0f\u9396\u7684\u76ee\u7684\u662f\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%8e%9f%e7%90%86-bJbkQSInzm\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u539f\u7406<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528 Redis \u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5411 Redis \u767c\u9001\u4e00\u500b\u547d\u4ee4\uff0c\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9375\uff08\u4f8b\u5982 &#8220;lock&#8221;\uff09\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u53ea\u6709\u7576\u9019\u500b\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u9032\u7a0b\u624d\u80fd\u6210\u529f\u7372\u53d6\u9396\u3002<\/p>\n<pre><code>SET lock value NX PX 30000\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u547d\u4ee4\u4e2d\uff0c&#8221;NX&#8221; \u8868\u793a\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u8a2d\u7f6e\u9375\uff0c\u800c &#8220;PX&#8221; \u5247\u8a2d\u7f6e\u4e86\u9396\u7684\u904e\u671f\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u56e0\u70ba\u5373\u4f7f\u9032\u7a0b\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u5728\u904e\u671f\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<h2 id=\"%e9%87%8b%e6%94%be%e9%8e%96%e7%9a%84%e6%96%b9%e5%bc%8f-bJbkQSInzm\">\u91cb\u653e\u9396\u7684\u65b9\u5f0f<\/h2>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u540c\u6a23\u9700\u8981\u8b39\u614e\u3002\u70ba\u4e86\u907f\u514d\u932f\u8aa4\u91cb\u653e\u5176\u4ed6\u9032\u7a0b\u7684\u9396\uff0c\u901a\u5e38\u6703\u5728\u91cb\u653e\u9396\u6642\u6aa2\u67e5\u9396\u7684\u64c1\u6709\u8005\u3002\u9019\u53ef\u4ee5\u901a\u904e\u6bd4\u8f03\u9396\u7684\u503c\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>if (GET lock == value) {\n    DEL lock\n}\n<\/code><\/pre>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-bJbkQSInzm\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u652f\u6301\u9ad8\u4e26\u767c\u7684\u9396\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u7684 API \u7c21\u55ae\u660e\u77ad\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u81ea\u52d5\u904e\u671f\uff1a<\/strong>\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6b7b\u9396\u554f\u984c\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-bJbkQSInzm\">\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\u3002\u5982\u679c\u591a\u500b\u7528\u6236\u540c\u6642\u4e0b\u55ae\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5eab\u5b58\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9396\u4f86\u78ba\u4fdd\u5728\u6aa2\u67e5\u5eab\u5b58\u548c\u66f4\u65b0\u5eab\u5b58\u7684\u904e\u7a0b\u4e2d\uff0c\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u7372\u53d6\u9396\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-bJbkQSInzm\">\u7d50\u8ad6<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u70ba\u89e3\u6c7a\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\u7684\u8cc7\u6e90\u7af6\u722d\u554f\u984c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u4e14\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5229\u7528 Redis \u7684\u539f\u5b50\u64cd\u4f5c\u548c\u81ea\u52d5\u904e\u671f\u7279\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u8cc7\u6e90\u7684\u540c\u6b65\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe Redis \u5206\u5e03\u5f0f\u9396\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u5206\u5e03\u5f0f\u9396\u6253\u958b\u540c\u6b65\u7684\u5927\u9580\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u8cc7\u6e90\u7ba1\u7406\u8207\u5354\u4f5c\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\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-99188","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99188","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=99188"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99188\/revisions"}],"predecessor-version":[{"id":99189,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99188\/revisions\/99189"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}