{"id":167375,"date":"2024-11-06T00:39:23","date_gmt":"2024-11-05T16:39:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167375\/"},"modified":"2024-11-06T00:39:24","modified_gmt":"2024-11-05T16:39:24","slug":"%e5%88%a9%e7%94%a8redis%e9%9b%86%e7%be%a4%e6%8f%90%e9%ab%98%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%e6%80%a7%e8%83%bd%ef%bc%88%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-redis%e9%9b%86%e7%be%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167375\/","title":{"rendered":"\u5229\u7528Redis\u96c6\u7fa4\u63d0\u9ad8\u5206\u4f48\u5f0f\u9396\u6027\u80fd\uff08\u5206\u4f48\u5f0f\u9396 redis\u96c6\u7fa4\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e9%9b%86%e7%be%a4%e6%8f%90%e9%ab%98%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%e6%80%a7%e8%83%bd%ef%bc%88%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-redis%e9%9b%86%e7%be%a4%ef%bc%89-azeHaQicZs\">\u5229\u7528Redis\u96c6\u7fa4\u63d0\u9ad8\u5206\u4f48\u5f0f\u9396\u6027\u80fd\uff08\u5206\u4f48\u5f0f\u9396 redis\u96c6\u7fa4\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u5206\u4f48\u5f0f\u9396\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5c24\u5176\u662f\u5728\u591a\u500b\u5be6\u4f8b\u9700\u8981\u5354\u540c\u5de5\u4f5c\u6642\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5206\u4f48\u5f0f\u9396\u529f\u80fd\u3002\u96a8\u8457\u7cfb\u7d71\u7684\u64f4\u5c55\uff0c\u55ae\u4e00Redis\u5be6\u4f8b\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u9700\u6c42\uff0c\u56e0\u6b64\uff0c\u5229\u7528Redis\u96c6\u7fa4\u4f86\u63d0\u9ad8\u5206\u4f48\u5f0f\u9396\u7684\u6027\u80fd\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u89e3\u6c7a\u65b9\u6848\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-azeHaQicZs\">\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\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\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\u64cd\u4f5c\uff0c\u4f8b\u5982\u5728\u591a\u500b\u670d\u52d9\u4e4b\u9593\u9032\u884c\u6578\u64da\u5beb\u5165\u6216\u66f4\u65b0\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-azeHaQicZs\">Redis\u4e2d\u7684\u5206\u4f48\u5f0f\u9396<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u5206\u4f48\u5f0f\u9396\u5be6\u73fe\u3002\u6700\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u3002\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8a2d\u7f6e\u6210\u529f\uff0c\u9396\u7372\u53d6\u6210\u529f\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c<code>lock_key<\/code>\u662f\u9396\u7684\u540d\u7a31\uff0c<code>unique_lock_value<\/code>\u662f\u552f\u4e00\u6a19\u8b58\u7b26\uff0c\u7528\u65bc\u78ba\u4fdd\u9396\u7684\u64c1\u6709\u8005\u3002<code>EXPIRE<\/code>\u547d\u4ee4\u7528\u65bc\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e7%9a%84%e5%84%aa%e5%8b%a2-azeHaQicZs\">Redis\u96c6\u7fa4\u7684\u512a\u52e2<\/h2>\n<p>\u96a8\u8457\u7cfb\u7d71\u7684\u64f4\u5c55\uff0c\u55ae\u4e00Redis\u5be6\u4f8b\u53ef\u80fd\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002Redis\u96c6\u7fa4\u901a\u904e\u5c07\u6578\u64da\u5206\u7247\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6574\u9ad4\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u4f7f\u7528Redis\u96c6\u7fa4\u7684\u5206\u4f48\u5f0f\u9396\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>Redis\u96c6\u7fa4\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\u548c\u6545\u969c\u8f49\u79fb\uff0c\u78ba\u4fdd\u5728\u67d0\u500b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u7cfb\u7d71\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u8f15\u9b06\u6dfb\u52a0\u6216\u522a\u9664\u7bc0\u9ede\uff0c\u5f9e\u800c\u52d5\u614b\u8abf\u6574\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u8acb\u6c42\u53ef\u4ee5\u5747\u52fb\u5730\u5206\u914d\u5230\u5404\u500b\u7bc0\u9ede\uff0c\u6e1b\u5c11\u55ae\u4e00\u7bc0\u9ede\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8redis%e9%9b%86%e7%be%a4%e4%b8%ad%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-azeHaQicZs\">\u5728Redis\u96c6\u7fa4\u4e2d\u5be6\u73fe\u5206\u4f48\u5f0f\u9396<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u904e\u7a0b\u8207\u55ae\u4e00\u5be6\u4f8b\u985e\u4f3c\uff0c\u4f46\u9700\u8981\u8003\u616e\u5230\u6578\u64da\u5206\u7247\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfunction acquireLock($key, $value, $expire) {\n    $result = $redis-&gt;set($key, $value, ['nx', 'ex' =&gt; $expire]);\n    return $result;\n}\n\nfunction releaseLock($key, $value) {\n    $currentValue = $redis-&gt;get($key);\n    if ($currentValue === $value) {\n        $redis-&gt;del($key);\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>acquireLock<\/code>\u51fd\u6578\u7528\u65bc\u7372\u53d6\u9396\uff0c\u800c<code>releaseLock<\/code>\u51fd\u6578\u7528\u65bc\u91cb\u653e\u9396\u3002\u9019\u88e1\u4f7f\u7528\u4e86Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u9396\u7684\u6b63\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-azeHaQicZs\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u96c6\u7fa4\u4f86\u63d0\u9ad8\u5206\u4f48\u5f0f\u9396\u7684\u6027\u80fd\u662f\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5728\u591a\u500b\u670d\u52d9\u4e4b\u9593\u5b89\u5168\u5730\u5354\u8abf\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u548c\u5de5\u5177\u5c07\u5c0d\u7cfb\u7d71\u7684\u6210\u529f\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u642d\u5efa\u60a8\u7684Redis\u96c6\u7fa4\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u96c6\u7fa4\u63d0\u5347\u5206\u4f48\u5f0f\u9396\u7684\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u8cc7\u6e90\u7ba1\u7406\u8207\u5354\u4f5c\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-167375","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167375","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=167375"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167375\/revisions"}],"predecessor-version":[{"id":167376,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167375\/revisions\/167376"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}