我收到 ReferenceError: mongoose is not defined。我是 Node 的新手,请 App.js 代码如下所示。我无法通过谷歌提供的所有答案来解决它。
var express = require('express');
var app = require('mongoose');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var index = require('./routes/index');
var users = require('./routes/users');
var app = express();
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', index);
app.use('/users', users);
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
mongoose.connect('mongodb://localhost:27017/mydb');
var Schema = new mongoose.Schema({
cr : String,
});
var user = mongoose.model('myc', Schema);
app.get('/view', function(req, res){
user.find({}, function(err, docs){
if(err) res.json(err);
else res.render('index', {users: docs});
});
});
app.use(function(err, req, res, next) {
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
res.status(err.status || 500);
res.render('error');
});
module.exports = app;
我使用的是 Node 版本 6.11.0 和 npm v 5.5.1 如何解决这个问题?请帮忙
最佳答案
你需要安装 mongoose 作为依赖
运行这条命令,
$ npm install mongoose --save
也替换
var app = require('mongoose');
到
var mongoose = require('mongoose');
关于javascript - 引用错误 : mongoose is not defined,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46835189/