{"id":161323,"date":"2024-11-04T05:28:29","date_gmt":"2024-11-03T21:28:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161323\/"},"modified":"2024-11-04T05:28:29","modified_gmt":"2024-11-03T21:28:29","slug":"%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%ef%bc%88%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-redis-%e5%af%a6%e7%8f%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161323\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\uff08\u5206\u5e03\u5f0f\u9396 redis \u5be6\u73fe\uff09"},"content":{"rendered":"<h1 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%ef%bc%88%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-redis-%e5%af%a6%e7%8f%be%ef%bc%89-rdnNCKfBqg\">\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\uff08\u5206\u5e03\u5f0f\u9396 redis \u5be6\u73fe\uff09<\/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\u70ba\u4e86\u9632\u6b62\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\uff0c\u5206\u5e03\u5f0f\u9396\u61c9\u904b\u800c\u751f\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406\u53ca\u5176\u61c9\u7528\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-rdnNCKfBqg\">\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\u4e4b\u9593\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\u5e03\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=\"redis-%e7%9a%84%e5%84%aa%e5%8b%a2-rdnNCKfBqg\">Redis \u7684\u512a\u52e2<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff0c\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u8b80\u5beb\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684\u547d\u4ee4\u4f86\u8a2d\u7f6e\u548c\u522a\u9664\u9396\u3002<\/li>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>Redis \u7684\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u9396\u7684\u904e\u7a0b\u4e2d\uff0c\u4e0d\u6703\u6709\u5176\u4ed6\u64cd\u4f5c\u5e72\u64fe\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%e5%8e%9f%e7%90%86-rdnNCKfBqg\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u901a\u5e38\u4f7f\u7528 SETNX \u547d\u4ee4\u4f86\u5be6\u73fe\u3002SETNX \u547d\u4ee4\u7684\u5168\u540d\u662f &#8220;SET if Not eXists&#8221;\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u8a2d\u7f6e\u9375\u7684\u503c\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5229\u7528\u5b83\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/p>\n<h3 id=\"%e7%8d%b2%e5%8f%96%e9%8e%96-rdnNCKfBqg\">\u7372\u53d6\u9396<\/h3>\n<pre><code>\nfunction acquireLock($redis, $lockKey, $expire) {\n    $result = $redis-&gt;set($lockKey, 1, ['nx', 'ex' =&gt; $expire]);\n    return $result;\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u7576\u6211\u5011\u8abf\u7528 <code>acquireLock<\/code> \u51fd\u6578\u6642\uff0cRedis \u6703\u5617\u8a66\u8a2d\u7f6e <code>lockKey<\/code> \u7684\u503c\u70ba 1\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8a2d\u7f6e\u6210\u529f\uff0c\u8fd4\u56de true\uff0c\u8868\u793a\u7372\u53d6\u9396\u6210\u529f\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de false\uff0c\u8868\u793a\u7372\u53d6\u9396\u5931\u6557\u3002<\/p>\n<h3 id=\"%e9%87%8b%e6%94%be%e9%8e%96-rdnNCKfBqg\">\u91cb\u653e\u9396<\/h3>\n<pre><code>\nfunction releaseLock($redis, $lockKey) {\n    $redis-&gt;del($lockKey);\n}\n<\/code><\/pre>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u53ea\u9700\u522a\u9664\u8a72\u9375\u5373\u53ef\u3002\u9019\u6a23\u5176\u4ed6\u9032\u7a0b\u5c31\u53ef\u4ee5\u7372\u53d6\u8a72\u9396\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-rdnNCKfBqg\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\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\u70ba\u9396\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u78ba\u4fdd\u5373\u4f7f\u7372\u53d6\u9396\u7684\u9032\u7a0b\u5d29\u6f70\uff0c\u9396\u4e5f\u80fd\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/li>\n<li><strong>\u9396\u7684\u91cd\u5165\u6027\uff1a<\/strong>\u5982\u679c\u9700\u8981\u652f\u6301\u9396\u7684\u91cd\u5165\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u8a08\u6578\u5668\u4f86\u8a18\u9304\u9396\u7684\u7372\u53d6\u6b21\u6578\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u91cb\u653e\u9396\u6642\uff0c\u61c9\u8a72\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u9396\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u5728\u9396\u4e2d\u5b58\u5132\u9032\u7a0b ID \u4f86\u5be6\u73fe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rdnNCKfBqg\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u7528\u65bc\u9700\u8981\u5354\u8abf\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u539f\u5b50\u64cd\u4f5c\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u548c\u91cb\u653e\u9396\uff0c\u5f9e\u800c\u4fdd\u8b49\u8cc7\u6e90\u7684\u5b89\u5168\u8a2a\u554f\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\u6709\u52a9\u65bc\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u8cc7\u6e90\u7af6\u722d\uff0c\u78ba\u4fdd\u6578\u64da\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-161323","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161323","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=161323"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161323\/revisions"}],"predecessor-version":[{"id":161324,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161323\/revisions\/161324"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}