{"id":161151,"date":"2024-11-04T04:02:24","date_gmt":"2024-11-03T20:02:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161151\/"},"modified":"2024-11-04T04:02:25","modified_gmt":"2024-11-03T20:02:25","slug":"%e6%a9%9f%e5%88%b6-redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6%ef%bc%88redis-%e7%9a%84%e5%88%86%e5%b8%83%e9%8e%96%e7%9a%84%e8%b6%85%e6%99%82%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161151\/","title":{"rendered":"\u6a5f\u5236 Redis \u7684\u5206\u5e03\u5f0f\u9396\u8d85\u6642\u6a5f\u5236\uff08redis \u7684\u5206\u5e03\u9396\u7684\u8d85\u6642\uff09"},"content":{"rendered":"<h1 id=\"%e6%a9%9f%e5%88%b6-redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6%ef%bc%88redis-%e7%9a%84%e5%88%86%e5%b8%83%e9%8e%96%e7%9a%84%e8%b6%85%e6%99%82%ef%bc%89-xdUcrNgFPY\">\u6a5f\u5236 Redis \u7684\u5206\u5e03\u5f0f\u9396\u8d85\u6642\u6a5f\u5236\uff08redis \u7684\u5206\u5e03\u9396\u7684\u8d85\u6642\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u548c\u5354\u8abf\u662f\u975e\u5e38\u91cd\u8981\u7684\u554f\u984c\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\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u5354\u8abf\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u7136\u800c\uff0c\u5206\u5e03\u5f0f\u9396\u7684\u8d85\u6642\u6a5f\u5236\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u8cc7\u6e90\u6709\u6548\u5229\u7528\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u5206\u5e03\u5f0f\u9396\u8d85\u6642\u6a5f\u5236\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\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-xdUcrNgFPY\">\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\u901a\u5e38\u6703\u6709\u591a\u500b\u5be6\u4f8b\u540c\u6642\u904b\u884c\uff0c\u9019\u4e9b\u5be6\u4f8b\u53ef\u80fd\u6703\u540c\u6642\u5617\u8a66\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\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\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%af%a6%e7%8f%be-xdUcrNgFPY\">Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u3002\u901a\u5e38\uff0c\u958b\u767c\u8005\u6703\u4f7f\u7528 Redis \u7684 SETNX \u547d\u4ee4\u4f86\u5275\u5efa\u9396\u3002SETNX \u547d\u4ee4\u7684\u5168\u540d\u662f &#8220;SET if Not eXists&#8221;\uff0c\u5b83\u6703\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u4e26\u8fd4\u56de 1\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de 0\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`lock_key` \u662f\u9396\u7684\u540d\u7a31\uff0c\u800c `unique_lock_value` \u662f\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u7528\u65bc\u8b58\u5225\u9396\u7684\u64c1\u6709\u8005\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5176\u4ed6\u5be6\u4f8b\u7372\u5f97\u540c\u4e00\u9396\u3002<\/p>\n<h2 id=\"%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-xdUcrNgFPY\">\u8d85\u6642\u6a5f\u5236\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u6642\uff0c\u8d85\u6642\u6a5f\u5236\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5047\u8a2d\u4e00\u500b\u5be6\u4f8b\u7372\u5f97\u4e86\u9396\uff0c\u4f46\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u767c\u751f\u4e86\u932f\u8aa4\u6216\u5d29\u6f70\uff0c\u9019\u6a23\u9396\u5c07\u6c38\u9060\u7121\u6cd5\u91cb\u653e\uff0c\u5c0e\u81f4\u5176\u4ed6\u5be6\u4f8b\u7121\u6cd5\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0cRedis \u7684\u5206\u5e03\u5f0f\u9396\u901a\u5e38\u6703\u8a2d\u7f6e\u4e00\u500b\u8d85\u6642\u6642\u9593\uff0c\u7576\u9396\u6301\u6709\u6642\u9593\u8d85\u904e\u9019\u500b\u6642\u9593\u5f8c\uff0c\u81ea\u52d5\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6-xdUcrNgFPY\">\u5982\u4f55\u5be6\u73fe\u8d85\u6642\u6a5f\u5236<\/h2>\n<p>\u5be6\u73fe\u8d85\u6642\u6a5f\u5236\u7684\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528 Redis \u7684 EXPIRE \u547d\u4ee4\u3002\u7576\u6210\u529f\u7372\u5f97\u9396\u5f8c\uff0c\u53ef\u4ee5\u7acb\u5373\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u5373\u4f7f\u6301\u6709\u9396\u7684\u5be6\u4f8b\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u5728\u8d85\u6642\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<pre><code>SET lock_key unique_lock_value EX 30 NX\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`EX 30` \u8868\u793a\u9396\u7684\u904e\u671f\u6642\u9593\u70ba 30 \u79d2\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u6301\u6709\u9396\u7684\u5be6\u4f8b\u5728 30 \u79d2\u5167\u6c92\u6709\u91cb\u653e\u9396\uff0c\u9396\u4e5f\u6703\u81ea\u52d5\u91cb\u653e\uff0c\u5176\u4ed6\u5be6\u4f8b\u5c31\u53ef\u4ee5\u91cd\u65b0\u7372\u5f97\u9396\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-xdUcrNgFPY\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u9396\u7684\u552f\u4e00\u6027\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b\u9396\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u4ee5\u907f\u514d\u4e0d\u540c\u5be6\u4f8b\u4e4b\u9593\u7684\u9396\u885d\u7a81\u3002<\/li>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u8d85\u6642\u6642\u9593\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u908f\u8f2f\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\uff0c\u907f\u514d\u904e\u77ed\u6216\u904e\u9577\u7684\u8d85\u6642\u6642\u9593\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u9396\u7684\u91cb\u653e\uff1a<\/strong>\u5728\u696d\u52d9\u908f\u8f2f\u57f7\u884c\u5b8c\u6210\u5f8c\uff0c\u52d9\u5fc5\u91cb\u653e\u9396\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5be6\u4f8b\u53ef\u4ee5\u7372\u5f97\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-xdUcrNgFPY\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u5206\u5e03\u5f0f\u9396\u8d85\u6642\u6a5f\u5236\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u8cc7\u6e90\u6709\u6548\u5229\u7528\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u904e\u5408\u7406\u5730\u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\u548c\u91cb\u653e\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u56e0\u9396\u672a\u91cb\u653e\u800c\u5c0e\u81f4\u7684\u8cc7\u6e90\u7af6\u722d\u554f\u984c\u3002\u5728\u8a2d\u8a08\u5206\u5e03\u5f0f\u7cfb\u7d71\u6642\uff0c\u958b\u767c\u8005\u61c9\u5145\u5206\u8003\u616e\u9019\u4e9b\u56e0\u7d20\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u96f2\u670d\u52d9\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Redis \u5206\u5e03\u5f0f\u9396\u7684\u8d85\u6642\u6a5f\u5236\uff0c\u78ba\u4fdd\u9396\u7684\u6709\u6548\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u907f\u514d\u6b7b\u9396\u8207\u8cc7\u6e90\u7af6\u722d\u554f\u984c\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-161151","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161151","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=161151"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161151\/revisions"}],"predecessor-version":[{"id":161152,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161151\/revisions\/161152"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}