微信小程序增删改查

app.js配置
 App({
  onLaunch: function () {
    wx.cloud.init({
      env:"azt-zscw7"
    })
  } 
})
json配置
"cloudfunctionRoot": "cloud/",

wxml文件

<input bindinput="userName" placeholder="请输入用户名"></input>
<input type="password" bindinput="passWord" placeholder="请输入密码"></input>
<input bindinput="userId" placeholder="请输入id"></input>

<button bindtap="addData" style="width:100%" type="primary">添加登陆账号</button>
<button bindtap="selectData" style="width:100%;margin-top:20px" type="primary">查询数据</button>
<button bindtap="deleteData" style="width:100%;margin-top:20px" type="primary">删除数据</button>
<button bindtap="updateData" style="width:100%;margin-top:20px" type="primary">更新数据</button>

js文件

const db = wx.cloud.database().collection("azt-user")
let userName="",passWord="",userId="";

Page({
  userName(event){
    userName=event.detail.value;
  },
  passWord(event){
    passWord=event.detail.value;
  },
  userId(event){
    userId = event.detail.value;
  },
  addData(){
    db.add({
      data:{
        userName:userName,
        passWord:passWord
      },
      success(res){
        console.log("添加成功",res)
      },
      fail(res){
        console.log("添加失败",res)
      }
    })
  } ,
  selectData(){
    db.get({
      success(res){
        console.log("查询成功",res)
      },
      fail(res){
        console.log("查询失败",res)
      }
    })
  } , 
  deleteData(){
    db.doc(userId).remove({
      success(res){
        console.log("删除成功",res)
      },
      fail(res){
        console.log("删除失败",res)
      }
    })
  },
  updateData(){
    db.doc(userId).update({
      data:{
        userName:userName,
        passWord:passWord
      },
      success(res){
        console.log("更新成功",res)
      },
      fail(res){
        console.log("更新失败",res)
      }
    })
  }
})