{"id":129395,"date":"2024-10-26T21:18:23","date_gmt":"2024-10-26T13:18:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129395\/"},"modified":"2024-10-26T21:18:24","modified_gmt":"2024-10-26T13:18:24","slug":"redis%e9%8e%96%e5%bc%b7%e5%a4%a7%e7%9a%84%e5%ae%89%e5%85%a8%e4%bf%9d%e9%9a%9c%ef%bc%88redis%e9%8e%96%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129395\/","title":{"rendered":"Redis\u9396\u5f37\u5927\u7684\u5b89\u5168\u4fdd\u969c\uff08redis\u9396\u5b89\u5168\u6027\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e5%bc%b7%e5%a4%a7%e7%9a%84%e5%ae%89%e5%85%a8%e4%bf%9d%e9%9a%9c%ef%bc%88redis%e9%8e%96%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%89-GCfRADMxmL\">Redis\u9396\u5f37\u5927\u7684\u5b89\u5168\u4fdd\u969c\uff08redis\u9396\u5b89\u5168\u6027\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u9396\u7684\u6a5f\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u9396\u7684\u5b89\u5168\u6027\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-GCfRADMxmL\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u9032\u7a0b\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002Redis\u9396\u901a\u5e38\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u5be6\u73fe\u7684\uff0c\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u5ba2\u6236\u7aef\u80fd\u5920\u7372\u5f97\u9396\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e7%9a%84redis%e9%8e%96%e5%af%a6%e7%8f%be-GCfRADMxmL\">\u57fa\u672c\u7684Redis\u9396\u5be6\u73fe<\/h3>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0cSETNX\u547d\u4ee4\u6703\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9396\uff0c\u5982\u679c\u9396\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\uff1b\u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u5247\u8fd4\u56de1\u3002\u63a5\u8457\uff0c\u4f7f\u7528EXPIRE\u547d\u4ee4\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-GCfRADMxmL\">Redis\u9396\u7684\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u96d6\u7136Redis\u9396\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u5b89\u5168\u4fdd\u969c\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4ecd\u9700\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u662f\u9632\u6b62\u6b7b\u9396\u7684\u95dc\u9375\u3002\u5982\u679c\u9396\u7684\u6301\u6709\u8005\u5728\u64cd\u4f5c\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u9396\u5c07\u5728\u904e\u671f\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/li>\n<li><strong>\u9396\u7684\u552f\u4e00\u6027\uff1a<\/strong>\u4f7f\u7528\u552f\u4e00\u7684\u9396\u503c\u53ef\u4ee5\u9632\u6b62\u4e0d\u540c\u9032\u7a0b\u4e4b\u9593\u7684\u9396\u885d\u7a81\u3002\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528UUID\u4f5c\u70ba\u9396\u503c\u3002<\/li>\n<li><strong>\u9396\u7684\u91cd\u5165\u6027\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u652f\u6301\u91cd\u5165\u9396\uff0c\u5373\u540c\u4e00\u9032\u7a0b\u53ef\u4ee5\u591a\u6b21\u7372\u5f97\u9396\u3002\u9019\u9700\u8981\u984d\u5916\u7684\u908f\u8f2f\u4f86\u8ddf\u8e64\u9396\u7684\u6301\u6709\u8005\u3002<\/li>\n<\/ul>\n<h3 id=\"redis%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e7%af%84%e4%be%8b-GCfRADMxmL\">Redis\u9396\u7684\u5be6\u73fe\u7bc4\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u9396\u5be6\u73fe\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\nfunction acquireLock($redis, $lockKey, $lockValue, $expire) {\n    $result = $redis-&gt;set($lockKey, $lockValue, ['nx', 'ex' =&gt; $expire]);\n    return $result;\n}\n\nfunction releaseLock($redis, $lockKey, $lockValue) {\n    if ($redis-&gt;get($lockKey) === $lockValue) {\n        $redis-&gt;del($lockKey);\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0cacquireLock\u51fd\u6578\u7528\u65bc\u7372\u53d6\u9396\uff0c\u800creleaseLock\u51fd\u6578\u5247\u7528\u65bc\u91cb\u653e\u9396\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u80fd\u5920\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u6b63\u78ba\u9396\u503c\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-GCfRADMxmL\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9396\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6b0a\u8861\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis\u7684\u6027\u80fd\u512a\u8d8a\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/li>\n<li>\u7c21\u55ae\uff1a\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u4e0d\u652f\u6301\u5206\u4f48\u5f0f\u9396\uff1aRedis\u9396\u672c\u8eab\u4e0d\u652f\u6301\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u7684\u9396\u7ba1\u7406\uff0c\u9700\u984d\u5916\u8655\u7406\u3002<\/li>\n<li>\u6f5b\u5728\u7684\u6b7b\u9396\uff1a\u5982\u679c\u9396\u7684\u7ba1\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u554f\u984c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-GCfRADMxmL\">\u7d50\u8ad6<\/h2>\n<p>Redis\u9396\u4f5c\u70ba\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u4fdd\u8b77\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u591a\u9032\u7a0b\u74b0\u5883\u4e2d\u63d0\u4f9b\u57fa\u672c\u7684\u5b89\u5168\u4fdd\u969c\u3002\u7136\u800c\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u8003\u616e\u9396\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u554f\u984c\u3002\u901a\u904e\u5408\u7406\u7684\u9396\u7b56\u7565\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6<code>\u4f3a\u670d\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u7684\u5f37\u5927\u5b89\u5168\u4fdd\u969c\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9632\u6b62\u7af6\u722d\u689d\u4ef6\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u53ef\u9760\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-129395","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129395","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=129395"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129395\/revisions"}],"predecessor-version":[{"id":129396,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129395\/revisions\/129396"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}