function() { this.$locals.start = Date.now();});schema.post('save', function() { console.log('Saved in', Date.now() - this.$locals.start, 'ms');});const Person = mongoose.model('Person', schema);const doc = new Person({ name: 'Will Riker', age: 29 });// Prints som...
Mongoose是一个优秀的Node.js库,用于在MongoDB数据库上进行对象模型化的操作。它提供了许多方便的方法和工具来简化数据库操作,如数据验证、查询构建、中间件支持等。当在使用Mongoos...
mongoose.connect(); // make Schema & model: const Person = mongoose.model('Person', new mongoose.Schema({ name: String, age: Number })); //-- Interact with Database --//: async function run1 () { const person = await Person.create({name: 'John', age: 25}); await person.sav...
Mongoose提供了修饰符功能用于对存取的数据进行一些加工,常用的修饰符有以几下几种: 1...自定义修饰符 1. set 设置数据,会将修饰过的数据处理入库。 2. get 获取实例数据时修饰,不会影响入库的数据,使用较少。 3...; 定义schema、生成模型,文件名为focus.js // 引
一般来说,mongoose是通过回调函数来进行增删改查的,如下列save所示: product.sold = Date.now(); product.save(function (err, product) { if (err) .. }) 如果不加回调函数,就会返回一个promise。 product.save().then(function(product) { ... }); 对于其它一些返回query的操作来说,不加回调函数,...
参考示例,用save方法为集合“test1”添加一条数据(包含属性name、age、email),并console输出返回值? varTestEntity=newTestModel({name:"jerry",age:28,email:"jerry@qq.com"});TestEntity.save(function(error,doc){console.log(doc);}); Model的create方法保存MongoDB数据 update更新MongoDB数据...
in -routes/users.ts, "targetUser.token=token“正在工作,console.log(targetUser)向我显示更新的用户数据 但是,targetUser.save()不会将此数据更新到MONGO DB。。。为什么? -User.ts- import mongoose, { Document, Schema } from "mongoose"; import bcrypt from "bcrypt"; ...
Yarn: yarn add mongoose-unique-validator NPM: npm install --save mongoose-unique-validator Then, apply the plugin to your schema: const mongoose = require('mongoose'); const uniqueValidator = require('mongoose-unique-validator'); const mySchema = mongoose.Schema(/* put your schema definition ...
Mongoose: ^6.1.1 MongoDB: Docker image: mongo:4.2 constmongoose=require('mongoose');letpairSchema=newmongoose.Schema({ask:Number,bid:Number,last:Number,code:String},{versionKey:false});constmodel=mongoose.model('pairs',pairSchema);asyncfunctiontest(){awaitmongoose.connect('mongodb://localhost:27...
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