{"id":184350,"date":"2024-11-10T12:29:19","date_gmt":"2024-11-10T04:29:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184350\/"},"modified":"2024-11-10T12:29:19","modified_gmt":"2024-11-10T04:29:19","slug":"%e4%bd%bf%e7%94%a8redis%e7%b7%a9%e5%ad%98%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e4%be%8b%e5%ad%90%e4%b8%8b%e8%bc%89%ef%bc%88redis%e7%b7%a9%e5%ad%98%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184350\/","title":{"rendered":"\u4f7f\u7528Redis\u7de9\u5b58\u63d0\u5347\u6027\u80fd\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\u4e0b\u8f09\uff08redis\u7de9\u5b58\u4f8b\u5b50\u4e0b\u8f09\uff09"},"content":{"rendered":"<h1 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id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8redis%e7%b7%a9%e5%ad%98%ef%bc%9f-JeshqIRZkL\">\u70ba\u4ec0\u9ebc\u4f7f\u7528Redis\u7de9\u5b58\uff1f<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6e1b\u5c11\u6578\u64da\u5eab\u8ca0\u64d4\uff1a<\/strong>\u901a\u904e\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u7de9\u5b58\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\uff1a<\/strong>\u7531\u65bcRedis\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u6975\u5feb\uff0c\u4f7f\u7528\u7de9\u5b58\u5f8c\u7528\u6236\u7684\u8acb\u6c42\u53ef\u4ee5\u66f4\u5feb\u5730\u5f97\u5230\u97ff\u61c9\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>Redis\u652f\u6301\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\u4ee5\u61c9\u5c0d\u9ad8\u6d41\u91cf\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b0%a1%e5%96%ae%e7%9a%84redis%e7%b7%a9%e5%ad%98%e7%a4%ba%e4%be%8b-JeshqIRZkL\">\u7c21\u55ae\u7684Redis\u7de9\u5b58\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u7684\u7c21\u55ae\u793a\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u65bc\u7372\u53d6\u7528\u6236\u4fe1\u606f\u7684API\uff0c\u9019\u500bAPI\u6703\u983b\u7e41\u67e5\u8a62\u6578\u64da\u5eab\u3002\u901a\u904e\u4f7f\u7528Redis\u7de9\u5b58\uff0c\u6211\u5011\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002<\/p>\n<h3 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-JeshqIRZkL\">\u74b0\u5883\u6e96\u5099<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u5df2\u7d93\u5b89\u88dd\u4e86Redis\u548c\u76f8\u61c9\u7684Redis\u5ba2\u6236\u7aef\u5eab\u3002\u4ee5\u4e0b\u793a\u4f8b\u4f7f\u7528Node.js\u4f5c\u70ba\u5f8c\u7aef\u8a9e\u8a00\u3002<\/p>\n<h3 id=\"%e5%ae%89%e8%a3%9dredis%e5%92%8cnode-js%e5%ae%a2%e6%88%b6%e7%ab%af-JeshqIRZkL\">\u5b89\u88ddRedis\u548cNode.js\u5ba2\u6236\u7aef<\/h3>\n<pre><code>npm install redis<\/code><\/pre>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-JeshqIRZkL\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();\n\nclient.on('error', (err) =&gt; {\n    console.log('Error ' + err);\n});\n\n\/\/ \u6a21\u64ec\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u7528\u6236\u4fe1\u606f\u7684\u51fd\u6578\nfunction getUserFromDatabase(userId) {\n    \/\/ \u5047\u8a2d\u9019\u88e1\u662f\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\u7684\u4ee3\u78bc\n    return { id: userId, name: 'User ' + userId };\n}\n\n\/\/ \u7372\u53d6\u7528\u6236\u4fe1\u606f\u7684API\nfunction getUser(userId) {\n    return new Promise((resolve, reject) =&gt; {\n        \/\/ \u5148\u67e5\u8a62Redis\u7de9\u5b58\n        client.get(userId, (err, result) =&gt; {\n            if (err) reject(err);\n            if (result) {\n                \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u6709\u6578\u64da\uff0c\u76f4\u63a5\u8fd4\u56de\n                resolve(JSON.parse(result));\n            } else {\n                \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\u6578\u64da\uff0c\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\n                const user = getUserFromDatabase(userId);\n                \/\/ \u5c07\u67e5\u8a62\u7d50\u679c\u5b58\u5165Redis\u7de9\u5b58\n                client.setex(userId, 3600, JSON.stringify(user)); \/\/ \u8a2d\u7f6e\u7de9\u5b58\u6709\u6548\u671f\u70ba1\u5c0f\u6642\n                resolve(user);\n            }\n        });\n    });\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\ngetUser(1).then(user =&gt; console.log(user)).catch(err =&gt; console.error(err));<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JeshqIRZkL\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u4e26\u63d0\u9ad8\u7528\u6236\u7684\u97ff\u61c9\u901f\u5ea6\u3002\u901a\u904e\u4e0a\u8ff0\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07Redis\u96c6\u6210\u5230\u60a8\u7684\u61c9\u7528\u4e2d\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7de9\u5b58\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\u61c9\u7528\uff0cServer.HK 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