Nodejs服务器应用程序从HTML表单获取Name和Age(使用post方法),并且在ExpressJS的帮助下,Mongoose必须创建一个MongoDB文档。这有效,但Age不会写在集合的文档中。请帮我修理一下。
以下是包含以下代码的文件:personform.html位于:C:\ Program Files \ nodejs \ myapp \ public 4.6-mongo.js in:C:\ Program Files \ nodejs \ myapp Person.js(mongoose schema和MongoDB connectio)详细信息)放置在:C:\ Program Files \ nodejs \ myapp created.ejs(ejs)in:C:\ Program Files \ nodejs \ myapp \ views MongoDB安装在:C:\ Program Files
personform.html
<html>
<body>
<form action='/create' method='post'>
Name: <input name='name'>
<p>
Age: <input age='age'>
<p>
<input type=submit value='Submit Form!'>
</form>
</body>
</html>
4.6 mongo.js
var express = require('express');
var app = express();
app.set('view engine', 'ejs');
var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({ extended: true }));
var Person = require('./Person.js');
app.use('/create', (req, res) => {
var newPerson = new Person ({
name: req.body.name,
age: req.body.age,
});
newPerson.save( (err) => {
if (err) {
res.type('html').status(500);
res.send('Error: ' + err);
}
else {
res.render('created', {person : newPerson});
}
} );
});
app.use('/public', express.static('public'));
app.use('/', (req, res) => { res.redirect('/public/personform.html'); } );
app.listen(8000, () => {
console.log('Listening on port 8000');
});
Person.js
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost:27017/mydatabase');
var Schema = mongoose.Schema;
var personSchema = new Schema({
name: {type: String, required: true, unique: true},
age: Number
});
module.exports = mongoose.model('Person', personSchema);
personSchema.methods.standardizeName = function() {
this.name = this.name.toLowerCase();
return this.name;
}
created.ejs
问题在于您的形式,特别是您的年龄输入。它应该是name="age"
<form action='/create' method='post'>
Name: <input type="text" name='name'>
<p>
Age: <input type="text" name='age'>
<p>
<input type=submit value='Submit Form!'>
</form>