{"id":184914,"date":"2024-11-10T17:11:16","date_gmt":"2024-11-10T09:11:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184914\/"},"modified":"2024-11-10T17:11:17","modified_gmt":"2024-11-10T09:11:17","slug":"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%9a%84%e9%98%b2%e9%87%8d%e6%8f%90%e4%ba%a4%ef%bc%88redis%e9%8e%96%e9%98%b2%e6%ad%a2%e9%87%8d%e8%a4%87%e6%8f%90%e4%ba%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184914\/","title":{"rendered":"\u4f7f\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u9632\u91cd\u63d0\u4ea4\uff08redis\u9396\u9632\u6b62\u91cd\u8907\u63d0\u4ea4\uff09"},"content":{"rendered":"<h1 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id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7-myhBKTZzsR\">Redis\u7684\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\u3002\u5b83\u7684\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u73fe\u9632\u91cd\u63d0\u4ea4\u7684\u6a5f\u5236\u3002\u4ee5\u4e0b\u662fRedis\u7684\u4e00\u4e9b\u95dc\u9375\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u8655\u7406\u5927\u91cf\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u61c9\u5c0d\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u5be6\u73fe\u9396\u6a5f\u5236\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%98%b2%e9%87%8d%e6%8f%90%e4%ba%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-myhBKTZzsR\">\u4f7f\u7528Redis\u5be6\u73fe\u9632\u91cd\u63d0\u4ea4\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u9632\u6b62\u91cd\u8907\u63d0\u4ea4\u7684\u57fa\u672c\u601d\u8def\u662f\u5229\u7528Redis\u7684\u9375\u503c\u5b58\u5132\u7279\u6027\uff0c\u70ba\u6bcf\u500b\u8acb\u6c42\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff08\u5982\u8acb\u6c42ID\uff09\uff0c\u4e26\u5c07\u5176\u5b58\u5132\u5728Redis\u4e2d\u3002\u7576\u7528\u6236\u63d0\u4ea4\u8acb\u6c42\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6aa2\u67e5\u8a72\u8acb\u6c42ID\u662f\u5426\u5df2\u5b58\u5728\u65bcRedis\u4e2d\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u8868\u793a\u8a72\u8acb\u6c42\u5df2\u7d93\u88ab\u8655\u7406\u904e\uff0c\u7cfb\u7d71\u5c07\u62d2\u7d55\u8a72\u8acb\u6c42\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5c07\u8acb\u6c42ID\u5b58\u5165Redis\u4e26\u8655\u7406\u8acb\u6c42\u3002<\/p>\n<h3 id=\"%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-myhBKTZzsR\">\u5be6\u73fe\u6b65\u9a5f<\/h3>\n<ol>\n<li>\u751f\u6210\u552f\u4e00\u7684\u8acb\u6c42ID\uff1a\u53ef\u4ee5\u4f7f\u7528UUID\u6216\u5176\u4ed6\u65b9\u6cd5\u751f\u6210\u552f\u4e00\u6a19\u8b58\u7b26\u3002<\/li>\n<li>\u6aa2\u67e5\u8acb\u6c42ID\u662f\u5426\u5b58\u5728\u65bcRedis\u4e2d\uff1a<\/li>\n<pre><code>\nif (redis.exists(requestId)) {\n    \/\/ \u62d2\u7d55\u8acb\u6c42\n} else {\n    \/\/ \u5b58\u5132\u8acb\u6c42ID\u4e26\u8655\u7406\u8acb\u6c42\n    redis.set(requestId, \"1\", \"EX\", 5); \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba5\u79d2\n}\n    <\/code><\/pre>\n<\/li>\n<li>\u8655\u7406\u8acb\u6c42\u5f8c\uff0c\u8acb\u6c42ID\u6703\u5728Redis\u4e2d\u81ea\u52d5\u904e\u671f\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u9577\u6642\u9593\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-myhBKTZzsR\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Node.js\u548cRedis\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nconst redis = require('redis');\nconst client = redis.createClient();\n\nfunction handleRequest(requestId) {\n    client.exists(requestId, (err, reply) =&gt; {\n        if (reply === 1) {\n            console.log('\u8acb\u6c42\u5df2\u7d93\u8655\u7406\u904e\uff0c\u62d2\u7d55\u91cd\u8907\u63d0\u4ea4');\n        } else {\n            client.set(requestId, '1', 'EX', 5); \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba5\u79d2\n            \/\/ \u8655\u7406\u8acb\u6c42\u7684\u908f\u8f2f\n            console.log('\u8655\u7406\u8acb\u6c42');\n        }\n    });\n}\n\n\/\/ \u6a21\u64ec\u8acb\u6c42\nhandleRequest('unique-request-id');\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-myhBKTZzsR\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u9632\u91cd\u63d0\u4ea4\u6a5f\u5236\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5229\u7528Redis\u7684\u9ad8\u6027\u80fd\u548c\u539f\u5b50\u64cd\u4f5c\u7279\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u91cd\u8907\u63d0\u4ea4\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u7a2e\u65b9\u6cd5\u5c24\u5176\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> 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