{"id":190482,"date":"2024-11-12T12:57:18","date_gmt":"2024-11-12T04:57:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190482\/"},"modified":"2024-11-12T12:57:19","modified_gmt":"2024-11-12T04:57:19","slug":"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e7%94%a8redis%e9%8e%96%e4%be%86%e4%bf%9d%e8%ad%b7%e6%95%b8%e6%93%9a%ef%bc%88%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e7%94%a8redis%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190482\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u8981\u7528Redis\u9396\u4f86\u4fdd\u8b77\u6578\u64da\uff08\u70ba\u4ec0\u9ebc\u8981\u7528redis\u9396\uff09"},"content":{"rendered":"

\u70ba\u4ec0\u9ebc\u8981\u7528Redis\u9396\u4f86\u4fdd\u8b77\u6578\u64da\uff08\u70ba\u4ec0\u9ebc\u8981\u7528redis\u9396\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u5206\u4f48\u5f0f\u7cfb\u7d71\u548c\u591a\u7dda\u7a0b\u61c9\u7528\u7a0b\u5e8f\u7684\u666e\u53ca\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662fRedis\u9396\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u70ba\u4ec0\u9ebc\u4f7f\u7528Redis\u9396\u4f86\u4fdd\u8b77\u6578\u64da\u662f\u5fc5\u8981\u7684\uff0c\u4ee5\u53ca\u5982\u4f55\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n

Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u5141\u8a31\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u5728\u540c\u4e00\u6642\u9593\u5167\u4e0d\u6703\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002Redis\u9396\u7684\u5be6\u73fe\u901a\u5e38\u57fa\u65bcRedis\u7684\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u904e\u7a0b\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981Redis\u9396\uff1f<\/h2>\n

1. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n

\u5728\u591a\u7dda\u7a0b\u6216\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u9996\u8981\u8003\u616e\u7684\u554f\u984c\u3002\u7576\u591a\u500b\u9032\u7a0b\u540c\u6642\u5c0d\u540c\u4e00\u6578\u64da\u9032\u884c\u8b80\u5beb\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002\u4f7f\u7528Redis\u9396\u53ef\u4ee5\u78ba\u4fdd\u5728\u4efb\u4f55\u6642\u523b\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u53ef\u4ee5\u5c0d\u6578\u64da\u9032\u884c\u4fee\u6539\uff0c\u5f9e\u800c\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

2. \u9632\u6b62\u6578\u64da\u7af6\u722d<\/h3>\n

\u6578\u64da\u7af6\u722d\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u9032\u7a0b\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u5171\u4eab\u6578\u64da\uff0c\u5c0e\u81f4\u6700\u7d42\u7d50\u679c\u4e0d\u6b63\u78ba\u7684\u60c5\u6cc1\u3002\u901a\u904e\u4f7f\u7528Redis\u9396\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u9019\u7a2e\u60c5\u6cc1\u7684\u767c\u751f\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u61c9\u7528\u4e2d\uff0c\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u5617\u8a66\u8cfc\u8cb7\u540c\u4e00\u4ef6\u5546\u54c1\u6642\uff0c\u4f7f\u7528Redis\u9396\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u7528\u6236\u80fd\u5920\u6210\u529f\u4e0b\u55ae\uff0c\u5f9e\u800c\u907f\u514d\u5eab\u5b58\u6578\u64da\u7684\u932f\u8aa4\u3002<\/p>\n

3. \u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd<\/h3>\n

\u96d6\u7136\u9396\u7684\u4f7f\u7528\u53ef\u80fd\u6703\u5f15\u5165\u4e00\u4e9b\u5ef6\u9072\uff0c\u4f46\u5408\u7406\u7684\u9396\u7b56\u7565\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u901a\u904e\u6e1b\u5c11\u6578\u64da\u7af6\u722d\uff0c\u7cfb\u7d71\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8655\u7406\u8acb\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n

\u5982\u4f55\u5be6\u73feRedis\u9396\uff1f<\/h2>\n

\u5be6\u73feRedis\u9396\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

function acquireLock($lockName, $expire) {\n    $result = $redis->set($lockName, 1, ['nx', 'ex' => $expire]);\n    return $result;\n}\n\nfunction releaseLock($lockName) {\n    $redis->del($lockName);\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c`acquireLock`\u51fd\u6578\u5617\u8a66\u7372\u53d6\u9396\uff0c\u5982\u679c\u9396\u4e0d\u5b58\u5728\uff08\u4f7f\u7528`nx`\u9078\u9805\uff09\uff0c\u5247\u8a2d\u7f6e\u9396\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002`releaseLock`\u51fd\u6578\u5247\u7528\u65bc\u91cb\u653e\u9396\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u4f7f\u7528Redis\u9396\u4f86\u4fdd\u8b77\u6578\u64da\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u9632\u6b62\u6578\u64da\u7af6\u722d\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u5728\u8a2d\u8a08\u5206\u4f48\u5f0f\u7cfb\u7d71\u6216\u591a\u7dda\u7a0b\u61c9\u7528\u6642\uff0c\u5408\u7406\u5730\u4f7f\u7528Redis\u9396\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u6b63\u78ba\u7684\u5be6\u73fe\u548c\u7ba1\u7406\uff0cRedis\u9396\u53ef\u4ee5\u6210\u70ba\u4fdd\u8b77\u6578\u64da\u7684\u5f37\u5927\u5de5\u5177\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u6027\u80fd\u4fdd\u969c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u4f7f\u7528Redis\u9396\u4fdd\u8b77\u6578\u64da\u7684\u539f\u56e0\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u3001\u907f\u514d\u7af6\u722d\u689d\u4ef6\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-190482","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190482","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=190482"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190482\/revisions"}],"predecessor-version":[{"id":190483,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190482\/revisions\/190483"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}