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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
                Express 4.0的router對象,需要單獨新建。然后,使用該對象的HTTP動詞方法,為不同的訪問路徑,指定回調函數;最后,掛載到某個路徑 ~~~ var router = express.Router(); router.get('/', function(req, res) { res.send('首頁'); }); router.get('/about', function(req, res) { res.send('關于'); }); app.use('/', router); ~~~ 上面代碼先定義了兩個訪問路徑,然后將它們掛載到根目錄。如果最后一行改為app.use('/app', router),則相當于/app和/app/about這兩個路徑,指定了回調函數。 這種掛載路徑和router對象分離的做法,為程序帶來了更大的靈活性,既可以定義多個router對象,也可以為將同一個router對象掛載到多個路徑。
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