{"id":184344,"date":"2024-11-10T12:26:22","date_gmt":"2024-11-10T04:26:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184344\/"},"modified":"2024-11-10T12:26:23","modified_gmt":"2024-11-10T04:26:23","slug":"%e4%bd%bf%e7%94%a8redis%e7%b7%a9%e5%ad%98%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%e5%af%a6%e4%be%8b%e8%88%87%e6%a1%88%e4%be%8b%e5%88%86%e4%ba%ab%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%a1%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184344\/","title":{"rendered":"\u4f7f\u7528Redis\u7de9\u5b58\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u5be6\u4f8b\u8207\u6848\u4f8b\u5206\u4eab\uff08redis\u7de9\u5b58\u985e\u5be6\u4f8b\uff09"},"content":{"rendered":"<h1 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id=\"redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%af%a6%e4%be%8b%e8%88%87%e6%a1%88%e4%be%8b%e5%88%86%e4%ba%ab-pNAXsFhlqt\">Redis\u7de9\u5b58\u7684\u5be6\u4f8b\u8207\u6848\u4f8b\u5206\u4eab<\/h2>\n<h3 id=\"%e6%a1%88%e4%be%8b%e4%b8%80%ef%bc%9a%e9%9b%bb%e5%ad%90%e5%95%86%e5%8b%99%e7%b6%b2%e7%ab%99%e7%9a%84%e5%95%86%e5%93%81%e6%9f%a5%e8%a9%a2-pNAXsFhlqt\">\u6848\u4f8b\u4e00\uff1a\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u7684\u5546\u54c1\u67e5\u8a62<\/h3>\n<p>\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u5546\u54c1\u4fe1\u606f\u7684\u67e5\u8a62\u662f\u6700\u5e38\u898b\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u5047\u8a2d\u4e00\u500b\u7db2\u7ad9\u7684\u5546\u54c1\u6578\u64da\u5b58\u5132\u5728MySQL\u6578\u64da\u5eab\u4e2d\uff0c\u7576\u7528\u6236\u67e5\u8a62\u5546\u54c1\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u5728\u9ad8\u5cf0\u671f\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\u3002\u7576\u7528\u6236\u7b2c\u4e00\u6b21\u67e5\u8a62\u5546\u54c1\u6642\uff0c\u7cfb\u7d71\u6703\u5148\u6aa2\u67e5Redis\u4e2d\u662f\u5426\u5b58\u5728\u8a72\u5546\u54c1\u7684\u4fe1\u606f\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u5f9eRedis\u4e2d\u8fd4\u56de\u6578\u64da\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5f9eMySQL\u4e2d\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165Redis\u4e2d\uff0c\u4ee5\u4fbf\u4e0b\u6b21\u67e5\u8a62\u6642\u4f7f\u7528\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Python\u548cFlask\u6846\u67b6\nfrom flask import Flask, jsonify\nimport redis\nimport mysql.connector\n\napp = Flask(__name__)\ncache = redis.Redis(host='localhost', port=6379)\n\n@app.route('\/product\/')\ndef get_product(product_id):\n    # \u6aa2\u67e5Redis\u7de9\u5b58\n    product = cache.get(f'product:{product_id}')\n    if product:\n        return jsonify({'source': 'cache', 'data': product})\n    \n    # \u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u67e5\u8a62MySQL\n    db = mysql.connector.connect(user='user', password='password', host='localhost', database='shop')\n    cursor = db.cursor()\n    cursor.execute('SELECT * FROM products WHERE id = %s', (product_id,))\n    product = cursor.fetchone()\n    \n    # \u5c07\u67e5\u8a62\u7d50\u679c\u5b58\u5165Redis\n    cache.set(f'product:{product_id}', product)\n    return jsonify({'source': 'database', 'data': product})\n<\/code><\/pre>\n<h3 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\u5047\u8a2d\u4f7f\u7528Node.js\u548cExpress\u6846\u67b6\nconst express = require('express');\nconst redis = require('redis');\nconst mysql = require('mysql');\n\nconst app = express();\nconst cache = redis.createClient();\n\napp.get('\/user\/:user_id', (req, res) =&gt; {\n    const userId = req.params.user_id;\n\n    \/\/ \u6aa2\u67e5Redis\u7de9\u5b58\n    cache.get(`user:${userId}`, (err, user) =&gt; {\n        if (user) {\n            return res.json({ source: 'cache', data: JSON.parse(user) });\n        }\n\n        \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u67e5\u8a62MySQL\n        const db = mysql.createConnection({ \/* MySQL\u914d\u7f6e *\/ });\n        db.query('SELECT * FROM users WHERE id = ?', [userId], (err, results) =&gt; {\n            if (err) throw err;\n            cache.set(`user:${userId}`, JSON.stringify(results[0]));\n            res.json({ source: 'database', data: results[0] });\n        });\n    });\n});\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pNAXsFhlqt\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u548c\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u5834\u666f\u4e2d\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528Redis\u7de9\u5b58\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\uff0c\u964d\u4f4e\u7cfb\u7d71\u8ca0\u64d4\uff0c\u4e26\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002\u7121\u8ad6\u662f\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u9084\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\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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