我正在尝试以下代码,但它给了我一个错误,“res.send不是一个函数” . 请帮我 .
这是代码:
var http = require('http');
var fs = require('fs');
var connect = require('connect');
var express = require('express');
var app = express();
app.get('/', function(res, req ) {
res.send('Hello World');
});
var server = app.listen(8888, function(){
var host = server.address().address;
var port = server.address().port;
console.log("Example app listening at http://%s:%s", host, port);
});
服务器正常运行并正在连接 . 显示的完整错误是这样的:
TypeError:res.send不是c:\ wamp \ www \ node \ server.js中的函数:8:13在Layer.handle [as handle_request](c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ layer.js:95:5)at Route.dispatch(c:\ wamp \ www)下一步(c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ route.js:137:13) \ node \ node_modules \ express \ lib \ router \ route.js:112:3)在Layer.handle [as handle_request](c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ layer.js:95) :5)在c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ index.js:281:22 at Function.process_params(c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ index.js:335:12)在expressInit的下一个(c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ index.js:275:10)(c:\ wamp \ www \ node \ node_modules \ express \ lib \ middleware \ init.js:40:5)在Layer.handle [as handle_request](c:\ wamp \ www \ node \ node_modules \ express \ lib \ router \ layer.js:95:5)
3 回答
根据API reference,第一个参数是请求,然后是响应
所以
应该解决它 .
你错误地得到了
res
和req
参数 .应该
资料来源:API docs .
交换请求和资源:
function(req, res)