微信小程序云开发（数据库）详解

var app = getApp();Page({ data: {  userName: '',  userPassword: '',  userPasswordAgain: '',  checkbox: false,  repetition: false }, // 返回主页面 backHomeTap: function() {  wx.switchTab({   url: '../index/index',  }) }, // 绑定 bindingTap: function () {  wx.redirectTo({   url: '../login/login',  }) }, // 用户名 userNameInput: function(e) {  this.setData({   userName: e.detail.value  }); }, // 密码 userPasswordInput: function(e) {  this.setData({   userPassword: e.detail.value  }); }, // 再次输入密码 userPasswordAgainInput: function(e) {  this.setData({   userPasswordAgain: e.detail.value  }); }, // 同意 checkboxChange: function() {  if (this.data.checkbox === false) {   this.setData({    checkbox: true   })  } else {   this.setData({    checkbox: false   })  }  var that = this;  var userName = this.data.userName;  // 初始化云  wx.cloud.init({   env: 'wubaib-9543f7',   traceUser: true  });  // 初始化数据库  const db = wx.cloud.database();  const _ = db.command;  db.collection('userInformation').where({   userName: _.eq(userName)  }).get({   success: function (res) {    if (res.data.length === 1) {     that.setData({      repetition: true     })    }   }  }) }, // 下一步，完善个人信息 perfectInforTap: function() {  var userName = this.data.userName;  var userPassword = this.data.userPassword;  var checkbox = this.data.checkbox;  var userPasswordAgain = this.data.userPasswordAgain;  var name = /^[A-Za-z0-9/u4e00-/u9fa5]+$/;  var repetition = this.data.repetition;  if (userName === '') {   wx.showToast({    title: '请输入用户名',    icon: 'none',    duration: 2000,    mask: true   })  } else if (!name.test(userName)) {   wx.showToast({    title: '用户名格式不正确',    icon: 'none',    duration: 2000,    mask: true   })  } else if (repetition === true) {   wx.showToast({    title: '用户名已存在',    icon: 'none',    duration: 2000,    mask: true   })  } else if (userPassword === '') {   wx.showToast({    title: '请输入密码',    icon: 'none',    duration: 2000,    mask: true   })  } else if (userPassword.length < 6) {   wx.showToast({    title: '密码最少6位',    icon: 'none',    duration: 2000,    mask: true   })  } else if (userPassword !== userPasswordAgain) {   wx.showToast({    title: '两次密码输入不一致',    icon: 'none',    duration: 2000,    mask: true   })  } else if (checkbox === false) {   wx.showToast({    title: '请选中已阅读',    icon: 'none',    duration: 2000,    mask: true   })  } else {   wx.redirectTo({    url: 'perfectInfor/perfectInfor',   })   // 保存用户名和密码   app.appData.account = {    userName: userName,    userPassword: userPassword   }  } }})

​var app = getApp();Page({ data: {  userName: '',  userPassword: '',  phone: '',  realName: '',  card: '',  email: '', }, // 返回主界面 backHomeTap: function() {  wx.switchTab({   url: '../../index/index',  }) }, // 手机号 phoneInput: function(e) {  this.setData({   phone: e.detail.value  }); }, // 真实姓名 nameInput: function(e) {  this.setData({   realName: e.detail.value  }); }, // 身份证 cardInput: function(e) {  this.setData({   card: e.detail.value  }) }, // email emailInput: function(e) {  this.setData({   email: e.detail.value  }) }, // 下一步完成 registerSuccessTap: function() {  var phone = this.data.phone;  var realName = this.data.realName;  var card = this.data.card;  var email = this.data.email;  var userName = this.data.userName;  var userPassword = this.data.userPassword;  var phonereg = /^1[345789]/d{9}$/;  var namereg = /^[/u4E00-/u9FA5]+$/;  var cardreg = /^/d{6}(18|19|20)?/d{2}(0[1-9]|1[012])(0[1-9]|[12]/d|3[01])/d{3}(/d|[xX])$/;  var emailreg = /^(/w)+(/./w+)*@(/w)+((/./w+)+)$/;  var that = this;  if (phone === '') {   wx.showToast({    title: '请输入手机号',    icon: 'none',    duration: 2000,    mask: true   });  } else if (!phonereg.test(phone)) {   wx.showToast({    title: '请输入正确的手机号',    icon: 'none',    duration: 2000,    mask: true   })  } else if (!namereg.test(realName)) {   wx.showToast({    title: '请输入正确的名字',    icon: 'none',    duration: 2000,    mask: true   })  } else if (card === '') {   wx.showToast({    title: '请输入身份证',    icon: 'none',    duration: 2000,    mask: true   })  } else if (!cardreg.test(card)) {   wx.showToast({    title: '请输入正确的身份证',    icon: 'none',    duration: 2000,    mask: true   })  } else if (email === '') {   wx.showToast({    title: '请输入邮箱',    icon: 'none',    duration: 2000,    mask: true   })  } else if (!emailreg.test(email)) {   wx.showToast({    title: '请输入正确的邮箱',    icon: 'none',    duration: 2000,    mask: true   })  } else {   // 初始化云   wx.cloud.init({    env: 'wubaib-9543f7',    traceUser: true   });   // 初始化数据库   const db = wx.cloud.database();   db.collection('userInformation').add({    // data 字段表示需新增的 JSON 数据    data: {     realName: realName,     userName: userName,     userPassword: userPassword,     phone: phone,     email: email,     card: card    },    success: function(res) {     // res 是一个对象，其中有 _id 字段标记刚创建的记录的 id     console.log(res);     console.log(res.errMsg);    }   })  } },  /**  * 生命周期函数--监听页面显示  */ onShow: function() {  this.setData({   userName: app.appData.account.userName,   userPassword: app.appData.account.userPassword  }) },})

​var app = getApp();Page({ data: {  bindName: '',  bindPassword: '',  isChecked: false,  userName: '',  phone: '',  realName: '',  card: '',  email: '',  userId: '' }, // 点击注册账号 registerTap: function() {  wx.redirectTo({   url: '../register/register'  }) }, // 获取用户名 bindNameInput: function(e) {  this.setData({   bindName: e.detail.value  })  var that = this;  if (that.data.bindName.length !== 0 && that.data.bindPassword.length !== 0) {   this.setData({    isChecked: true   })  } else if (that.data.bindName.length === 0) {   this.setData({    isChecked: false   })  } }, // 获取密码 bindPasswordInput: function(e) {  this.setData({   bindPassword: e.detail.value  })  var that = this;  if (that.data.bindName.length !== 0 && that.data.bindPassword.length !== 0) {   this.setData({    isChecked: true   })  } else if (that.data.bindPassword.length === 0) {   this.setData({    isChecked: false   })  } }, // 点击登录 bindingSuccess: function() {  var that = this;  var bindName = that.data.bindName;  var bindPassword = that.data.bindPassword;  if (bindName.length !== 0 && bindPassword.length !== 0) {   // 初始化云   wx.cloud.init({    env: 'wubaib-9543f7',    traceUser: true   });   // 初始化数据库   const db = wx.cloud.database();   db.collection('userInformation').where({    userName: bindName   }).get().then(res => {    console.log(res.data);    if (res.data[0].userPassword === bindPassword) {     console.log("登录成功");     // 保存手机号，真实姓名，身份证号，邮箱 保存用户名     that.setData({      userName: res.data[0].userName,      phone: res.data[0].phone,      realName: res.data[0].realName,      card: res.data[0].card,      email: res.data[0].email,      userId: res.data[0]._id     })     app.appData.userinfo = {      phone: that.data.phone,      realName: that.data.realName,      card: that.data.card,      email: that.data.email     }     app.appData.account = {      userName: that.data.userName     }     app.appData.userId = {      userId: that.data.userId     }     wx.switchTab({      url: '../personalCenter/personalCenter',     })    } else {     wx.showToast({      title: '用户名或密码错误',      icon: 'none',      duration: 2000     })    }   })  } },})

<view class='phoneNumberContainer'> <input placeholder='用户名' maxlength='11' bindinput="bindNameInput"></input></view><view class='passwordContainer'> <input placeholder='密码' password="true" bindinput="bindPasswordInput"></input></view><view class="{{isChecked?'bindingChecked':'bindingNormal'}}" bindtap='bindingSuccess'>立即登录</view><view class='registerContainer' bindtap='registerTap'>注册账号</view>

<!--返回主页 --><view class='backHome' bindtap='backHomeTap'> <image src='/images/homeIcon.png' class='backHomeImg'></image></view><!--头部 --><view class='headerContainer'> <!--创建账户 --> <view class='headerListContainer headerListActive'>  <view class='headerListView'>1</view>  <text class='headerListText'>创建账户</text> </view> <!--完善个人信息 --> <view class='headerListContainer'>  <view class='headerListView'>2</view>  <text class='headerListText'>完善个人信息</text> </view> <!--注册成功 --> <view class='headerListContainer'>  <view class='headerListView'>3</view>  <text class='headerListText'>注册成功</text> </view> <view class='transverseLineLeft'></view> <view class='transverseLineright'></view></view><view class='mainContainer'> <!--用户名 --> <view class='mainListContainer'>  <view class='mainListText'>用户名</view>  <input class='mainListInput' placeholder='请输入数字,字母或中文' maxlength='25' bindinput='userNameInput'></input> </view> <!--密码 --> <view class='mainListContainer'>  <view class='mainListText'>密码</view>  <input class='mainListInput' placeholder='长度6~14位' password='true' maxlength='14' bindinput='userPasswordInput'></input> </view> <!--确认密码 --> <view class='mainListContainer'>  <view class='mainListText'>确认密码</view>  <input class='mainListInput' placeholder='请再次输入密码' password='true' maxlength='14' bindinput='userPasswordAgainInput'></input> </view></view><!--agree --><view class='agreeContainer'> <checkbox class='agreeCheckbox' checked="{{check}}" bindtap="checkboxChange"/> <text>我已阅读并接受</text> <text class='clause'>《用户注册条款》</text></view><!--nextButton --><view class='nextButton' bindtap='perfectInforTap'>下一步，完善个人信息</view><!--binding --><view class='bindingContainer'> <text>已有账号</text> <text class='binding' bindtap='bindingTap'>请绑定</text></view>

<!--返回主页 --><view class='backHome' bindtap='backHomeTap'> <image src='/images/homeIcon.png' class='backHomeImg'></image></view><!--头部 --><view class='headerContainer'> <!--创建账户 --> <view class='headerListContainer headerListOldActive'>  <view class='headerListView'>1</view>  <text class='headerListText'>创建账户</text> </view> <!--完善个人信息 --> <view class='headerListContainer headerListActive'>  <view class='headerListView'>2</view>  <text class='headerListText'>完善个人信息</text> </view> <!--注册成功 --> <view class='headerListContainer'>  <view class='headerListView'>3</view>  <text class='headerListText'>注册成功</text> </view> <view class='transverseLineLeft'></view> <view class='transverseLineright'></view></view><!--main --><view class='mainContainer'> <!--手机 --> <view class='mainListContainer'>  <view class='mainListText'>手机</view>  <input class='mainListInput' placeholder='请输入手机号码' maxlength="11" bindinput='phoneInput'></input> </view> <!--真实姓名 --> <view class='mainListContainer'>  <view class='mainListText'>真实姓名</view>  <input class='mainListInput' placeholder='请输入真实姓名' maxlength='25' bindinput='nameInput'></input> </view> <!--证件类型 --> <view class='mainListContainer'>  <view class='mainListText'>证件类型</view>  <view class='cardText'>中华人民共和国居民身份证</view> </view> <!--证件号码 --> <view class='mainListContainer'>  <view class='mainListText'>证件号码</view>  <input class='mainListInput' type='idcard' placeholder='请输入身份证号码' maxlength="18" bindinput='cardInput'></input> </view> <!--邮箱 --> <view class='mainListContainer'>  <view class='mainListText'>邮箱</view>  <input class='mainListInput' placeholder='请输入常用的邮箱地址' bindinput='emailInput'></input> </view></view><!--nextButton --><view class='nextButton' bindtap='registerSuccessTap'>下一步，完成</view>