源代码为：

const app = getApp()

 

wx.cloud.init({

  env: 'houseworkapp-1g2njf66a3441491'

})

const db = wx.cloud.database({

  env: 'houseworkapp-1g2njf66a3441491'

})

 

Page({

 

  data: {

    phone: '', 

    username: '',

    usernameverify:1,

    NewChanges: '',

    NewChangesAgain: '',

  },

  

  handleInputPhone: function (e) {

    var that = this;

    that.setData({

      phone: e.detail.value

    })

  },

  handleusername: function (e) {

    var that = this;

    this.setData({

      username: e.detail.value

    })

    

  },

  handleNewChanges: function (e) {

    var that = this;

    that.setData({

      NewChanges: e.detail.value

    })

  },

  handleNewChangesAgain: function (e) {

    var that = this;

    that.setData({

      NewChangesAgain: e.detail.value

    })

  },

 

  submit: function (e) {

    var that = this

    

    db.collection('users'[相应的数据表]).where({ username: that.data.username }).get({

      success: function (res) {

        var that = this

        that.setData({

          usernameverify: res.data[0].verifycode 

        })

      }

    })

    if (that.data.phone == '') {

      console.log('a')

      wx.showToast({

        title: '手机号码不能为空',

        duration: 2000

      })

    } else if (that.data.phone.trim().length != 11) {

      console.log('b')

      wx.showToast({

        title: '手机号码格式不对',

        duration: 2000

      })

    } else if (that.data.username == '') {

      console.log('c')

      wx.showToast({

        title: '登录名不能为空',

        duration: 2000

      })

    }

    else if (!that.data.usernameverify) {

      console.log('d')

      wx.showToast({

        title: '登录名已经被注册了',

        duration: 2000

      })

    }

    else if (that.data.NewChanges == '') {

      console.log('e')

      wx.showToast({

        title: '请输入密码',

        duration: 2000

      })

      return

    } else if (that.data.NewChangesAgain != that.data.NewChanges) {

      console.log('f')

      wx.showToast({

        title: '两次密码不一致',

        duration: 2000

      })

      return

    } else {

      var that = this

      db.collection('users').add({

        data: {

          username: that.data.username,

          password: that.data.NewChanges,

          phonenum: that.data.phone,

          verifycode: 1

         },

        success: function (res) {

        }

      })

    }

   }  

})

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