{"id":156305,"date":"2024-11-02T20:10:21","date_gmt":"2024-11-02T12:10:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/156305\/"},"modified":"2024-11-02T20:10:22","modified_gmt":"2024-11-02T12:10:22","slug":"%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e4%bf%9d%e8%ad%89%e5%88%86%e5%b8%83%e5%bc%8f%e7%92%b0%e5%a2%83%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/156305\/","title":{"rendered":"\u5206\u5e03\u5f0f\u9396\u57fa\u65bc Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u4fdd\u8b49\u5206\u5e03\u5f0f\u74b0\u5883\u7684\u539f\u5b50\u6027\u64cd\u4f5c\uff08\u57fa\u65bc Redis \u7684\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e4%bf%9d%e8%ad%89%e5%88%86%e5%b8%83%e5%bc%8f%e7%92%b0%e5%a2%83%e7%9a%84-yzjkPGDYFu\">\u5206\u5e03\u5f0f\u9396\u57fa\u65bc Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u4fdd\u8b49\u5206\u5e03\u5f0f\u74b0\u5883\u7684\u539f\u5b50\u6027\u64cd\u4f5c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6b63\u78ba\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5206\u5e03\u5f0f\u9396\u4f5c\u70ba\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u7684\u8cc7\u6e90\u7af6\u722d\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bc Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\uff0c\u4e26\u4fdd\u8b49\u5728\u5206\u5e03\u5f0f\u74b0\u5883\u4e2d\u7684\u539f\u5b50\u6027\u64cd\u4f5c\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-yzjkPGDYFu\">\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\u932f\u8aa4\u7684\u60c5\u6cc1\u3002\u5206\u5e03\u5f0f\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u78ba\u4fdd\u5728\u4efb\u4f55\u6642\u523b\uff0c\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u53ef\u4ee5\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-yzjkPGDYFu\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\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\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\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\u6027\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684\u547d\u4ee4\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>Redis \u652f\u6301\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u9023\u63a5\uff0c\u9069\u5408\u5927\u898f\u6a21\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%af%a6%e7%8f%be-yzjkPGDYFu\">\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u57fa\u65bc Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%8d%b2%e5%8f%96%e9%8e%96-yzjkPGDYFu\">1. \u7372\u53d6\u9396<\/h3>\n<p>\u4f7f\u7528 Redis \u7684 SETNX \u547d\u4ee4\u4f86\u7372\u53d6\u9396\u3002SETNX \u547d\u4ee4\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u80fd\u5920\u7372\u53d6\u9396\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba 1\uff0c\u5247\u8868\u793a\u6210\u529f\u7372\u53d6\u9396\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba 0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\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-yzjkPGDYFu\">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\u7528 EXPIRE \u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>EXPIRE lock_key 30<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5373\u4f7f\u7372\u53d6\u9396\u7684\u9032\u7a0b\u56e0\u6545\u969c\u800c\u672a\u80fd\u91cb\u653e\u9396\uff0c\u9396\u4e5f\u6703\u5728 30 \u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<h3 id=\"3-%e9%87%8b%e6%94%be%e9%8e%96-yzjkPGDYFu\">3. \u91cb\u653e\u9396<\/h3>\n<p>\u91cb\u653e\u9396\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u9396\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-yzjkPGDYFu\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\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\u6bcf\u500b\u9032\u7a0b\u61c9\u8a72\u4f7f\u7528\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u4f86\u7372\u53d6\u9396\u3002<\/li>\n<li>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff1a\u904e\u671f\u6642\u9593\u61c9\u6839\u64da\u696d\u52d9\u9700\u6c42\u9032\u884c\u8a2d\u7f6e\uff0c\u907f\u514d\u904e\u77ed\u6216\u904e\u9577\u3002<\/li>\n<li>\u8655\u7406\u9396\u7684\u91cd\u8a66\u6a5f\u5236\uff1a\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\uff0c\u907f\u514d\u56e0\u70ba\u77ac\u6642\u7af6\u722d\u5c0e\u81f4\u7684\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yzjkPGDYFu\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u5206\u5e03\u5f0f\u74b0\u5883\u4e2d\u7684\u8cc7\u6e90\u7af6\u722d\u554f\u984c\uff0c\u4fdd\u8b49\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u6b63\u78ba\u6027\u3002\u901a\u904e\u7c21\u55ae\u7684\u547d\u4ee4\u548c\u5408\u7406\u7684\u8a2d\u8a08\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u5176\u61c9\u7528\u4e2d\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u65bc Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\uff0c\u78ba\u4fdd\u5728\u5206\u5e03\u5f0f\u74b0\u5883\u4e2d\u9032\u884c\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u8207\u4e00\u81f4\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-156305","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156305","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=156305"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156305\/revisions"}],"predecessor-version":[{"id":156306,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156305\/revisions\/156306"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=156305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=156305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=156305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}