{"id":197614,"date":"2024-11-14T09:16:22","date_gmt":"2024-11-14T01:16:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197614\/"},"modified":"2024-11-14T09:16:23","modified_gmt":"2024-11-14T01:16:23","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e9%8e%96%e5%af%a6%e4%be%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197614\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u9396\u6a5f\u5236\uff08redis\u9396\u5be6\u4f8b\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e9%8e%96%e5%af%a6%e4%be%8b%ef%bc%89-aKpttlOQyH\">\u5229\u7528Redis\u5be6\u73fe\u9396\u6a5f\u5236\uff08redis\u9396\u5be6\u4f8b\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002\u7576\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u5176\u4ed6\u932f\u8aa4\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u9396\u6a5f\u5236\u61c9\u904b\u800c\u751f\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u9396\u6a5f\u5236\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u5b89\u5168\u5730\u7ba1\u7406\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-aKpttlOQyH\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4e00\u500b\u9375\u4f86\u8868\u793a\u9396\u7684\u72c0\u614b\u3002\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u5b83\u6703\u5617\u8a66\u7372\u53d6\u9019\u500b\u9396\u3002\u5982\u679c\u9396\u5df2\u7d93\u88ab\u5176\u4ed6\u9032\u7a0b\u6301\u6709\uff0c\u5247\u8a72\u9032\u7a0b\u9700\u8981\u7b49\u5f85\u6216\u91cd\u8a66\u3002\u7576\u9032\u7a0b\u5b8c\u6210\u5c0d\u8cc7\u6e90\u7684\u64cd\u4f5c\u5f8c\uff0c\u5b83\u6703\u91cb\u653e\u9396\uff0c\u8b93\u5176\u4ed6\u9032\u7a0b\u53ef\u4ee5\u7372\u53d6\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be-aKpttlOQyH\">Redis\u9396\u7684\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u4e2d\u5be6\u73fe\u9396\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5617\u8a66\u7372\u53d6\u9396<\/li>\n<li>\u57f7\u884c\u696d\u52d9\u908f\u8f2f<\/li>\n<li>\u91cb\u653e\u9396<\/li>\n<\/ul>\n<h3 id=\"1-%e5%98%97%e8%a9%a6%e7%8d%b2%e5%8f%96%e9%8e%96-aKpttlOQyH\">1. \u5617\u8a66\u7372\u53d6\u9396<\/h3>\n<p>\u7372\u53d6\u9396\u7684\u904e\u7a0b\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u3002\u901a\u5e38\u4f7f\u7528SETNX\u547d\u4ee4\uff08SET if Not eXists\uff09\u4f86\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u80fd\u5920\u6210\u529f\u8a2d\u7f6e\u9019\u500b\u9375\u3002\u4ee5\u4e0b\u662f\u7372\u53d6\u9396\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c<code>lock_key<\/code>\u662f\u9396\u7684\u540d\u7a31\uff0c<code>unique_lock_value<\/code>\u662f\u7576\u524d\u9032\u7a0b\u7684\u552f\u4e00\u6a19\u8b58\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5176\u4ed6\u9032\u7a0b\u5728\u9396\u88ab\u6301\u6709\u6642\u7372\u53d6\u9396\u3002<code>EXPIRE<\/code>\u547d\u4ee4\u7528\u65bc\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c%e6%a5%ad%e5%8b%99%e9%82%8f%e8%bc%af-aKpttlOQyH\">2. \u57f7\u884c\u696d\u52d9\u908f\u8f2f<\/h3>\n<p>\u4e00\u65e6\u6210\u529f\u7372\u53d6\u9396\uff0c\u9032\u7a0b\u5c31\u53ef\u4ee5\u5b89\u5168\u5730\u57f7\u884c\u696d\u52d9\u908f\u8f2f\u3002\u9019\u90e8\u5206\u4ee3\u78bc\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u9032\u884c\u7de8\u5beb\u3002<\/p>\n<h3 id=\"3-%e9%87%8b%e6%94%be%e9%8e%96-aKpttlOQyH\">3. \u91cb\u653e\u9396<\/h3>\n<p>\u5b8c\u6210\u696d\u52d9\u908f\u8f2f\u5f8c\uff0c\u9032\u7a0b\u9700\u8981\u91cb\u653e\u9396\u3002\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u5b83\u3002\u4ee5\u4e0b\u662f\u91cb\u653e\u9396\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>if (get lock_key == unique_lock_value) {\n    DEL lock_key\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6aa2\u67e5\u7576\u524d\u9032\u7a0b\u662f\u5426\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u53ea\u6709\u5728\u78ba\u8a8d\u5f8c\u624d\u6703\u522a\u9664\u9396\u7684\u9375\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-aKpttlOQyH\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u9396\u6a5f\u5236\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<h3 id=\"%e5%84%aa%e9%bb%9e-aKpttlOQyH\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis\u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u80fd\u5920\u5feb\u901f\u8655\u7406\u9396\u7684\u8acb\u6c42\u3002<\/li>\n<li>\u7c21\u55ae\uff1a\u4f7f\u7528Redis\u7684\u9396\u6a5f\u5236\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u5be6\u73fe\u548c\u7dad\u8b77\u3002<\/li>\n<li>\u5206\u4f48\u5f0f\u652f\u6301\uff1aRedis\u672c\u8eab\u5c31\u662f\u4e00\u500b\u5206\u4f48\u5f0f\u7cfb\u7d71\uff0c\u80fd\u5920\u5f88\u597d\u5730\u652f\u6301\u5206\u4f48\u5f0f\u9396\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-aKpttlOQyH\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u53ef\u9760\u6027\uff1a\u5982\u679c\u9032\u7a0b\u5728\u6301\u6709\u9396\u7684\u60c5\u6cc1\u4e0b\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u3002<\/li>\n<li>\u904e\u671f\u554f\u984c\uff1a\u9700\u8981\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aKpttlOQyH\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u9396\u6a5f\u5236\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002\u901a\u904e\u7c21\u55ae\u7684\u9375\u503c\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u8cc7\u6e90\u7684\u8a2a\u554f\uff0c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u6ce8\u610f\u9396\u7684\u53ef\u9760\u6027\u548c\u904e\u671f\u554f\u984c\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u548c\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9396\u6a5f\u5236\uff0c\u901a\u904e\u5be6\u4f8b\u5b78\u7fd2\u9ad8\u6548\u7ba1\u7406\u4f75\u767c\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5b89\u5168\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-197614","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197614","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=197614"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197614\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}