{"id":184250,"date":"2024-11-10T11:39:23","date_gmt":"2024-11-10T03:39:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184250\/"},"modified":"2024-11-10T11:39:24","modified_gmt":"2024-11-10T03:39:24","slug":"%e4%bd%bf%e7%94%a8redis%e6%a7%8b%e5%bb%ba%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184250\/","title":{"rendered":"\u4f7f\u7528Redis\u69cb\u5efa\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\uff08\u5229\u7528redis\u5be6\u73fe\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e6%a7%8b%e5%bb%ba%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%8e%96%ef%bc%89-KIiCLRAyXP\">\u4f7f\u7528Redis\u69cb\u5efa\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\uff08\u5229\u7528Redis\u5be6\u73fe\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u5171\u4eab\u548c\u5354\u8abf\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7576\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u9700\u8981\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u8a2a\u554f\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\u61c9\u904b\u800c\u751f\uff0c\u800cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u800c\u5f37\u5927\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u9019\u4e00\u6a5f\u5236\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%9f-KIiCLRAyXP\">\u4ec0\u9ebc\u662f\u5206\u4f48\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u4f48\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\u5b83\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\uff0c\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u53ef\u4ee5\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002\u5206\u4f48\u5f0f\u9396\u901a\u5e38\u7528\u65bc\u9700\u8981\u5354\u8abf\u7684\u5834\u666f\uff0c\u4f8b\u5982\u5728\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\uff0c\u7576\u591a\u500b\u670d\u52d9\u9700\u8981\u8a2a\u554f\u540c\u4e00\u6578\u64da\u5eab\u6216\u6587\u4ef6\u6642\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-KIiCLRAyXP\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u9748\u6d3b\u61c9\u5c0d\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-KIiCLRAyXP\">\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%8d%b2%e5%8f%96%e9%8e%96-KIiCLRAyXP\">1. \u7372\u53d6\u9396<\/h3>\n<p>\u8981\u7372\u53d6\u9396\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u3002SETNX\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u7576\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u624d\u8a2d\u7f6e\u9375\u7684\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u80fd\u5920\u6210\u529f\u7372\u53d6\u9396\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>lock_key<\/code>\u662f\u9396\u7684\u540d\u7a31\uff0c<code>unique_lock_value<\/code>\u662f\u7528\u65bc\u6a19\u8b58\u9396\u7684\u552f\u4e00\u503c\uff08\u901a\u5e38\u662fUUID\u6216\u7576\u524d\u6642\u9593\u6233\uff09\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e9%8e%96%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-KIiCLRAyXP\">2. \u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u61c9\u8a72\u70ba\u9396\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u53ef\u4ee5\u4f7f\u7528EXPIRE\u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>EXPIRE lock_key 30<\/code><\/pre>\n<p>\u9019\u88e1\u768430\u8868\u793a\u9396\u7684\u904e\u671f\u6642\u9593\u70ba30\u79d2\u3002<\/p>\n<h3 id=\"3-%e9%87%8b%e6%94%be%e9%8e%96-KIiCLRAyXP\">3. \u91cb\u653e\u9396<\/h3>\n<p>\u7576\u9032\u7a0b\u5b8c\u6210\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u64cd\u4f5c\u5f8c\uff0c\u61c9\u8a72\u91cb\u653e\u9396\u3002\u91cb\u653e\u9396\u7684\u6642\u5019\uff0c\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u5b83\u3002\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u9396\u7684\u503c\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u3002<\/p>\n<pre><code>\nif (GET lock_key == unique_lock_value) {\n    DEL lock_key\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-KIiCLRAyXP\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u9396\u7684\u552f\u4e00\u6027\uff1a\u4f7f\u7528\u552f\u4e00\u7684\u503c\u4f86\u6a19\u8b58\u9396\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u9032\u7a0b\u8aa4\u91cb\u653e\u9396\u3002<\/li>\n<li>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff1a\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u5408\u9069\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u56e0\u70ba\u904e\u671f\u5c0e\u81f4\u7684\u9396\u88ab\u610f\u5916\u91cb\u653e\u3002<\/li>\n<li>\u8003\u616e\u9396\u7684\u91cd\u5165\u6027\uff1a\u5982\u679c\u9700\u8981\u652f\u6301\u91cd\u5165\u9396\uff0c\u5247\u9700\u8981\u9032\u4e00\u6b65\u7684\u908f\u8f2f\u4f86\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KIiCLRAyXP\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u69cb\u5efa\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u591a\u500b\u9032\u7a0b\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u901a\u904e\u5408\u7406\u5730\u8a2d\u7f6e\u9396\u7684\u7372\u53d6\u3001\u904e\u671f\u548c\u91cb\u653e\u908f\u8f2f\uff0c\u53ef\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u548c\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u5834\u666f\uff0cRedis\u7121\u7591\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002\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<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u69cb\u5efa\u9ad8\u6548\u7684\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\uff0c\u78ba\u4fdd\u591a\u5be6\u4f8b\u74b0\u5883\u4e2d\u7684\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-184250","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184250","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=184250"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184250\/revisions"}],"predecessor-version":[{"id":184251,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184250\/revisions\/184251"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}