[英]How to include a model in node-express js?
我試圖用產品表創建一個項目,我創建了模式,但是當我試圖將模型包含到我的控制器中時,會引發錯誤。
在基本的Express項目中,我創建了controllers和models文件夾。
我的控制器,
var mongoose = require('mongoose'),
Products = require('../models/products.model.js');
exports.addProduct = function( req, res ) {
var params = req.body;
var productsModel = new Products(params);
productsModel.save(function (error, response) {
if (error) {
return res.end(error);
}
if (response) {
res.json(response);
}
});
};
模型,
var mongoose = require('mongoose'),
Schema = mongoose.Schema,
ObjectId = Schema.ObjectId;
const productSchema = new Schema({
author: ObjectId,
name: String,
description: String,
price: Number,
quantities_available: Number
});
mongoose.model('products', productSchema, 'products');
錯誤
TypeError: Products is not a constructor
文件結構
File structure:
models
products.model.js
controllers
products.controller.js
app.js
在模型中,更改以下行:
mongoose.model('products', productSchema, 'products');
對此
module.exports = mongoose.model(‘Product’, productSchema);
在您的控制器中:
var mongoose = require('mongoose'),
Product = require('../models/products.model.js');
exports.addProduct = function( req, res ) {
var params = req.body;
var productsModel = new Product(params);
productsModel.save(function (error, response) {
if (error) {
return res.end(error);
}
else {
res.json(response);
}
});
};
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.