Node.js 类型引用mongoose架构时出错
我正在使用MongooseODM使用mongodb开发一个节点应用程序。键入引用驻留在不同文件中的架构时出错 我在user.js文件中有以下代码:Node.js 类型引用mongoose架构时出错,node.js,mongodb,mongoose,Node.js,Mongodb,Mongoose,我正在使用MongooseODM使用mongodb开发一个节点应用程序。键入引用驻留在不同文件中的架构时出错 我在user.js文件中有以下代码: var mongoose = require('mongoose'); var Trip = require('./trip'); var userSchema = mongoose.Schema({ firstName: String, lastName: String, salt: String, hash: S
var mongoose = require('mongoose');
var Trip = require('./trip');
var userSchema = mongoose.Schema({
firstName: String,
lastName: String,
salt: String,
hash: String,
emailAddress: {
type: String,
unique: true
},
trips: [{Type: mongoose.Schema.Types.ObjectId, ref: 'Trip'}]
});
module.exports = mongoose.model('User', userSchema);
userSchema具有对tripSchema的类型引用
我的trip.js文件中的代码是:
var tripSchema = mongoose.Schema({
name: String,
location: String,
arrivalDate: Date,
departureDate: Date,
type: String});
module.exports = mongoose.model('Trip', tripSchema);
运行应用程序时,我遇到以下错误:
/usr/lib/node_modules/mongoose/lib/schema.js:360
throw new TypeError('Undefined type at `' + path +
^
TypeError: Undefined type at `trip.ref`
Did you try nesting Schemas? You can only nest using refs or arrays.
at Function.Schema.interpretAsType (/usr/lib/node_modules/mongoose/lib/schema.js:360:11)
at Schema.path (/usr/lib/node_modules/mongoose/lib/schema.js:303:29)
at Schema.add (/usr/lib/node_modules/mongoose/lib/schema.js:217:12)
at Schema.add (/usr/lib/node_modules/mongoose/lib/schema.js:212:14)
at new Schema (/usr/lib/node_modules/mongoose/lib/schema.js:73:10)
at Function.Schema.interpretAsType (/usr/lib/node_modules/mongoose/lib/schema.js:345:44)
at Schema.path (/usr/lib/node_modules/mongoose/lib/schema.js:303:29)
at Schema.add (/usr/lib/node_modules/mongoose/lib/schema.js:217:12)
at new Schema (/usr/lib/node_modules/mongoose/lib/schema.js:73:10)
at Mongoose.Schema (/usr/lib/node_modules/mongoose/lib/schema.js:53:12)
我无法找出错误的原因。如果两个模式在同一个文件中,则代码运行正常。但当我在两个不同的文件中分离出模式时,我得到了上面的错误。如何解决此错误?任何帮助都将不胜感激。您的用户模式中有一个输入错误。你把
trips: [{Type: mongoose.Schema.Types.ObjectId, ref: 'Trip'}]
但应该是这样
trips: [{type: mongoose.Schema.Types.ObjectId, ref: 'Trip'}]
类型
应该是小写的类型
非常感谢您指出它!:)我浪费了一整天的时间试图找出错误的原因。我也犯了同样的错误,而且我已经检查过了,你的问题的答案不是我的问题。一旦我找到了一个解决方案,我会把它贴在这里,让其他人在看到这个页面时找到解决方案。