const mongoose = require("mongoose")
mongoose.connect('mongodb://127.0.0.1:27017/zhipin_test',{ useUnifiedTopology: true })
const conncet = mongoose.connection
conncet.on('connected',()=>{console.log('数据库连接成功')})
const userSchema = mongoose.Schema({ //指定文档的结构
username:{type:String,required:true},
password:{type:String,required:true},
type:{type:String,required:true},
header:{type:String}
})
const UserModel = mongoose.model('user',userSchema) //集合的名称为users
// 添加
const userModal = new UserModel({username:'Jlg',password:md5('234'),type:'dashen'})
userModal.save((err,User)=>{
console.log('save()',err,User)
})
// 查找
UserModel.find((err,users)=>{
console.log(users)
})
UserModel.findOne({username:'Jlg'},(err,user)=>{
console.log(user)
})
// 更新
function testUpdate(){
UserModel.findByIdAndUpdate({_id:'5ee5a604c218613d3cab31c2'},{username:'jack'},(err,user)=>{
console.log(user)
})
}
//删除
UserModel.remove({_id:'5ee5a604c218613d3cab31c2'},(err,user)=>{
console.log(user)
})
nodejs中mongoose操作mongodb
最新推荐文章于 2025-05-13 16:08:29 发布