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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                1. 創建 router.js 2. 引包 ``` var express = require('express'); var fs = require('fs'); //按需導入fs模塊 ``` 3. 創建路由容器 ``` var router = express.Router(); ``` 4. 把路由掛載到路由容器上 ``` router.get('/', function (req, res) { // readFile 的第二個參數是可選的,傳入 utf8 就是告訴它把讀取到的文件直接按照 utf8 編碼轉成我們認識的字符 // 除了這樣的轉換之外,也可以通過 data.toString()的方式 fs.readFile('./db.json', 'utf8', function (err, data) { if (err) { return res.status(500).send('Server error'); } // 從文件中讀取的數據一定是字符串 // 所以這里一定要手動轉成對象 var students = JSON.parse(data).students; res.render('index.html', { fruits: ['蘋果', '香蕉', '橘子', '哈密瓜'], students: students }) }); }); router.get('/students/new', function (req, res) { }); ``` 5. 把 router 導出 ``` module.exports = router; ``` 6. app.js 中導入并掛載到app應用程序中 ``` var router = require('./router.js'); app.use(router); ```
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