{"id":99186,"date":"2024-10-21T08:51:22","date_gmt":"2024-10-21T00:51:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99186\/"},"modified":"2024-10-21T08:51:23","modified_gmt":"2024-10-21T00:51:23","slug":"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%8c%e6%b2%92%e5%ae%83%e7%9c%9f%e4%b8%8d%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99186\/","title":{"rendered":"Redis \u5206\u5e03\u5f0f\u9396\uff0c\u6c92\u5b83\u771f\u4e0d\u884c"},"content":{"rendered":"<h1 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%8c%e6%b2%92%e5%ae%83%e7%9c%9f%e4%b8%8d%e8%a1%8c-tOnDMTYqRB\">Redis \u5206\u5e03\u5f0f\u9396\uff0c\u6c92\u5b83\u771f\u4e0d\u884c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u5171\u4eab\u548c\u5354\u8abf\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u9019\u6642\uff0cRedis \u7684\u5206\u5e03\u5f0f\u9396\u6280\u8853\u4fbf\u6210\u70ba\u4e86\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-tOnDMTYqRB\">\u4ec0\u9ebc\u662f Redis \u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u540c\u6642\u8a2a\u554f\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u5206\u5e03\u5f0f\u74b0\u5883\u4e2d\u5be6\u73fe\u9396\u7684\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-tOnDMTYqRB\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>\u5728\u55ae\u6a5f\u74b0\u5883\u4e2d\uff0c\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528\u5167\u5b58\u4e2d\u7684\u9396\u6216\u6587\u4ef6\u9396\u3002\u7136\u800c\uff0c\u7576\u7cfb\u7d71\u64f4\u5c55\u5230\u591a\u500b\u5be6\u4f8b\u6642\uff0c\u9019\u4e9b\u65b9\u6cd5\u5c31\u4e0d\u518d\u9069\u7528\u3002\u5206\u5e03\u5f0f\u9396\u7684\u9700\u6c42\u4e3b\u8981\u4f86\u81ea\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u591a\u500b\u5be6\u4f8b\u540c\u6642\u64cd\u4f5c\u540c\u4e00\u6578\u64da\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u9632\u6b62\u91cd\u5165\uff1a<\/strong>\u907f\u514d\u540c\u4e00\u9032\u7a0b\u91cd\u8907\u7372\u53d6\u9396\uff0c\u5c0e\u81f4\u6b7b\u9396\u6216\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u53ef\u7528\u6027\u5fc5\u9808\u5f97\u5230\u4fdd\u8b49\uff0c\u4ee5\u907f\u514d\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be-tOnDMTYqRB\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528 SETNX \u547d\u4ee4\u3002SETNX\uff08Set if Not eXists\uff09\u547d\u4ee4\u53ef\u4ee5\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u5be6\u73fe\u9396\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-tOnDMTYqRB\">\u57fa\u672c\u5be6\u73fe\u6b65\u9a5f<\/h3>\n<pre><code>\n1. \u4f7f\u7528 SETNX \u547d\u4ee4\u5617\u8a66\u7372\u53d6\u9396\u3002\n2. \u5982\u679c\u7372\u53d6\u6210\u529f\uff0c\u5247\u57f7\u884c\u81e8\u754c\u5340\u4ee3\u78bc\u3002\n3. \u5728\u81e8\u754c\u5340\u4ee3\u78bc\u57f7\u884c\u5b8c\u7562\u5f8c\uff0c\u4f7f\u7528 DEL \u547d\u4ee4\u91cb\u653e\u9396\u3002\n4. \u5982\u679c\u7372\u53d6\u5931\u6557\uff0c\u5247\u53ef\u4ee5\u9078\u64c7\u91cd\u8a66\u6216\u8fd4\u56de\u932f\u8aa4\u3002\n<\/code><\/pre>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-tOnDMTYqRB\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nfunction acquireLock($redis, $lockKey, $expire) {\n    $result = $redis-&gt;set($lockKey, 1, ['nx', 'ex' =&gt; $expire]);\n    return $result;\n}\n\nfunction releaseLock($redis, $lockKey) {\n    $redis-&gt;del($lockKey);\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\n$redis = new Redis();\n$redis-&gt;connect('127.0.0.1', 6379);\n\n$lockKey = 'my_lock';\n$expire = 10; \/\/ \u9396\u7684\u904e\u671f\u6642\u9593\n\nif (acquireLock($redis, $lockKey, $expire)) {\n    \/\/ \u57f7\u884c\u81e8\u754c\u5340\u4ee3\u78bc\n    \/\/ ...\n    \n    releaseLock($redis, $lockKey);\n} else {\n    echo \"\u7372\u53d6\u9396\u5931\u6557\uff0c\u8acb\u7a0d\u5f8c\u91cd\u8a66\u3002\";\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-tOnDMTYqRB\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9396\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\uff0c\u61c9\u8a72\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u78ba\u4fdd\u5373\u4f7f\u5728\u7570\u5e38\u60c5\u6cc1\u4e0b\u9396\u4e5f\u80fd\u88ab\u91cb\u653e\u3002<\/li>\n<li><strong>\u9396\u7684\u91cd\u5165\uff1a<\/strong>\u5982\u679c\u540c\u4e00\u9032\u7a0b\u9700\u8981\u591a\u6b21\u7372\u53d6\u9396\uff0c\u61c9\u8003\u616e\u4f7f\u7528\u91cd\u5165\u9396\u7684\u8a2d\u8a08\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u61c9\u6709\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tOnDMTYqRB\">\u7e3d\u7d50<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u5728\u73fe\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u5b83\u4e0d\u50c5\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff0c\u9084\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u8cc7\u6e90\u7ba1\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0cRedis \u5206\u5e03\u5f0f\u9396\u5e7e\u4e4e\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\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\u4f86\u90e8\u7f72\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u5206\u5e03\u5f0f\u7cfb\u7d71\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u5206\u5e03\u5f0f\u9396\u662f\u78ba\u4fdd\u591a\u5be6\u4f8b\u74b0\u5883\u4e2d\u6578\u64da\u4e00\u81f4\u6027\u7684\u95dc\u9375\u5de5\u5177\uff0c\u8b93\u4f60\u5728\u9ad8\u4f75\u767c\u4e0b\u5b89\u5168\u7ba1\u7406\u8cc7\u6e90\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-99186","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99186","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=99186"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99186\/revisions"}],"predecessor-version":[{"id":99187,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99186\/revisions\/99187"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}