当我想将产品添加到数据库(MongoDB)时。程序处于循环模式并且不会崩溃,但它在控制台中显示错误。
Console content included on the bottom
models/single-product.js
// models/single-product.js
const mongoose = require('mongoose')
const Schema = mongoose.Schema
const productSchema = new Schema({
title: {
type: String,
required: true
},
description: {
type: String,
required: true
},
price: {
type: Number,
required: true
},
userId: {
type: Schema.Types.ObjectId,
ref: 'User',
required: true
}
})
module.exports = mongoose.model('Product', productSchema)
模型/user.js
// models/user.js
const mongoose = require('mongoose')
const Schema = mongoose.Schema
const userSchema = new Schema({
username: {
type: String ,
required: true
},
email: {
type: String ,
required: true
},
cart: {
items:[
{
productId: {
type: Schema.Types.ObjectId,
ref: 'Product',
required: true
},
qty:{
type: Number ,
required: true
}
}
]
}
})
module.exports =mongoose.model('User', userSchema)
Controller /admin.js
// constrollers/admin.js
const Product = require('../models/single-product')
module.exports.addProductsPage = (req,res)=> {
res.render('admin/add-product',{
pageTitle: "Add Product-Page"
})
}
module.exports.sendProducts = (req,res)=>{
const title = req.body.title
const description = req.body.description
const price = req.body.price
const products = new Product({
title: title,
description: description ,
price: price,
userId: req.user
})
products.save()
.then(result =>{
console.log('Product Created!')
res.redirect('/admin/add-product')
})
.catch(err =>{
console.log(err)
})
}
module.exports.getProducts = (req,res)=>{
Product.find()
.then(products =>{
res.render('admin/products',{
productsArray : products,
pageTitle : 'Admin Products'
})
})
.catch(err =>{
console.log(err)
})
}
module.exports.deleteProduct = (req,res)=>{
const pId = req.body.productId
Product.findByIdAndRemove(pId)
.then(()=>{
console.log('Product Deleted!')
res.redirect('products')
})
.catch(err =>{
console.log(err)
})
}
Error [ValidationError]: Product validation failed: userId: Path `userId` is required.
at ValidationError.inspect (D:\Alireza\web\Test project's\OnlineShop-Node.js\node_modules\mongoose\lib\error\validation.js:59:24)
at formatValue (internal/util/inspect.js:550:31)
at inspect (internal/util/inspect.js:221:10)
at formatWithOptions (internal/util/inspect.js:1651:40)
at Object.Console.<computed> (internal/console/constructor.js:272:10)
at Object.log (internal/console/constructor.js:282:61)
at D:\Alireza\web\Test project's\OnlineShop-Node.js\controllers\admin.js:25:17
at processTicksAndRejections (internal/process/task_queues.js:85:5) {
错误:{
userId:MongooseError [ValidatorError]:路径 userId
是必需的。
在新的 ValidatorError (D:\Alireza\web\Test 项目的\OnlineShop-Node.js\node_modules\mongoose\lib\error\validator.js:29:11)
在验证(D:\Alireza\web\Test 项目的\OnlineShop-Node.js\node_modules\mongoose\lib\schematype.js:1034:13)
在 D:\Alireza\web\Test 项目的\OnlineShop-Node.js\node_modules\mongoose\lib\schematype.js:1088:11
在Array.forEach()
在 ObjectId.SchemaType.doValidate (D:\Alireza\web\Test 项目的\OnlineShop-Node.js\node_modules\mongoose\lib\schematype.js:1043:14)
在 D:\Alireza\web\Test 项目的\OnlineShop-Node.js\node_modules\mongoose\lib\document.js:2134:9
在 processTicksAndRejections (内部/process/task_queues.js:75:11) {
message: '路径 userId
是必需的。',
name: '验证器错误',
属性:[对象],
种类:“必需”,
路径:'用户ID',
值:未定义,
原因:未定义,
[符号( Mongoose :validatorError)]:true
}
},
_message: '产品验证失败',
名称:'验证错误'
}
最佳答案
首先检查req.user
是否不为空,然后使用
const products = new Product({
title: title,
description: description ,
price: price,
userId: mongoose.Types.ObjectId(req.user);
})
you need to make
userId
asobjectID
关于node.js - mongoose/nodejs 中的验证错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57176032/