无法读取未定义的属性“发送”
我试图从外部脚本发送数据到路由器,并返回错误TypeError: Cannot read property 'send' of undefined
这是代码
app.js
var Cake = require('./modules/cake'); router.get('/cakes', function(req, res) { Cake.getCake(); })
cake.js
module.exports = { getCake: function (req, res) { request({ url: "http://get.cakes/json", json: true }, function (error, response, body) { if (!error && response.statusCode == 200) { res.send(body); } }); } };
请注意, http://get.cake/
不是真正的网站。 这个问题无关紧要。
你没有传递req
然后取消getCake
router.get('/cakes', function(req, res) { Cake.getCake(); // <-- you're passing nothing here so `res` is undefined within `getCake` and so you're calling `undefined.send()` })
你应该有:
router.get('/cakes', function(req, res) { Cake.getCake(req, res); // <-- pass `req` and `res` down to `getCake` })
甚至速记:
router.get('/cakes', Cake.getCake);