[英]Node.js script is not running
問題陳述:運行node.js時出現錯誤
錯誤:大多數中間件(如bodyParser)不再與Express捆綁在一起,必須單獨安裝。 請參閱https://github.com/
預期結果:頁面應該顯示,並且用戶可以將數據插入數據庫。
這是我的代碼:
filter.js
var express = require('express'),
http = require('http'),
fs = require('fs'),
bodyParser = require('body-parser'),
io = require('socket.io'),
filter = express();
mongoose = require('mongoose');
//all environments
filter.set('port', process.env.PORT || 3000);
filter.set('views', __dirname + '/views');
filter.set('view engine', 'jade');
filter.use(express.bodyParser());
filter.use(express.methodOverride());
//filter.use(filter.router);
filter.use(express.static(path.join(__dirname,'public')));
mongoose.connect('mongodb://localhost/Company');
var Schema = new mongoose.Schema({
_emailid: String,
name: String,
age: Number
});
var user = mongoose.model('emp', Schema);
filter.get('/view', function(req, res){
user.find({}, function(err, docs){
if(err) res.json(err);
})
});
filter.post('/new', function(res, req){
new user({
_emailid:req.body.email,
name:req.body.name,
age:req.body.age,
}).save(function(err, doc){
if(err) res.json(err);
else res.redirect('/view');
});
});
var server = http.createServer(app).listen(app.get('port'), function(){
console.log('Express server listening on port' + app.get('port'));
});
這是我的HTML代碼:
<html>
<head>
<title>Please enter your details</title>
</head>
<body>
<h3>Please enter your details</h3>
<p>Please register below!!!</p>
<form action="/new" method="POST">
<label for="email">Email: </label>
<input type="email" name="email" /><br>
<label for="name">Name: </label>
<input type="text" name="name" /><br>
<label for="age">Age: </label>
<input type="number" name="age" /><t>
<input type="number" name="age" /><br>
<input type="submit" />
</form>
</body>
</html>
express 4.x有很多更改。 就像錯誤所說的一樣,所有中間件都已被刪除。
更新您的package.json以包括“新”軟件包,可以在此處找到基本列表以及完整列表https://github.com/expressjs
基本上你需要編輯
filter.use(express.bodyParser());
並替換為
filter.use(bodyParser());
您還必須為methodOverride中間件執行此操作。
確保已安裝所有模塊。
希望這對您有幫助,
var express = require('express'),
http = require('http'),
fs = require('fs'),
bodyParser = require('body-parser'),
methodOverride=require('method-override'),
io = require('socket.io'),
filter = express();
mongoose = require('mongoose');
//all environments
filter.set('port', process.env.PORT || 3000);
filter.set('views', __dirname + '/views');
filter.set('view engine', 'jade');
filter.use(bodyParser());
filter.use(methodOverride());
//filter.use(filter.router);
filter.use(express.static(path.join(__dirname,'public')));
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