初始化项目：cnpm init -y
局部安装mongoose：cnpm install mongoose -S
打开服务：mongod --dbpath d:\data\db
const mongoose = require("mongoose"); const data_url = "mongodb://127.0.0.1:27017/bk1910";//定义数据库地址 mongoose.connect(data_url,(err,client)=>{ if(err){ console.log("连接失败") }else{ console.log("连接成功") } }) //连接表并定义字段 const Users = mongoose.model("user",{ name:String, age:String, sex:String }) const users = new Users({ name:"胡歌", age:26, sex:"男" }) //添加数据 users.save().then((result)=>{ console.log(result) }) //删除数据 Users.remove({"name":"胡歌"}).then((result)=>{ console.log(result) }) //修改数据 Users.update({“name”:"胡歌"},{$set:{"name":"江疏影"}})then((result)=>{ console.log(result) }) //查询数据 Users.find().then((result)=>{ console.log(result) })转载于:https://www.cnblogs.com/yh6652210/p/11198669.html
