ittwxcust/pages/scan/scan.js

// pages/scan/scan.js
const app = getApp()
import { userEntityRecharge } from '../../api/charge'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    scanFunctionUse: true,
    scanOverShow: false,
    scanTimer: null,
    scanSuccess: true,
    cardNo: '',
    cardSecret: ''
  },
  // 用户不允许使用摄像头时触发
  error () {
    console.log('eooro');
    app.globalData.auth.camera = false
  },
   // 重新扫码
  handleRescan () {
    this.setData({
      scanOverShow: false,
      scanFunctionUse: true
    })
  },
  // 在扫码识别成功时触发，仅在 mode="scanCode" 时生效
  handlescancode (e) {
    var that = this
    if (that.data.scanFunctionUse) {
      that.setData({
        scanFunctionUse: false
      })
      var response = e.detail.result
      if (response.indexOf('|') !== -1) {
        var code = response.split('|')[0]
        var password = response.split('|')[1]
        that.setData({
          cardNo: code,
          cardSecret: password
        })
        that.userEntityRechargeFn()
      } else {
        wx.showModal({
          content: '请扫描正确的二维码',
          confirmColor: '#333',
          showCancel: false,
          success (res) {
            if (res.confirm) {
              that.setData({
                scanFunctionUse: true
              })
            }
          }
        })
      }
    }
  },
  // 实体卡充值
  userEntityRechargeFn () {
    var that = this
    wx.showLoading({
      title: '充值中...',
      mask: true
    })
    var data = {
      cardNo: that.data.cardNo,
      cardSecret: that.data.cardSecret
    }
    userEntityRecharge(data).then(res => {
      wx.hideLoading()
      this.setData({
        scanOverShow: true,
        scanResMsg: res.msg,
        scanSuccess: true
      })
    }).catch(e => {
      wx.hideLoading()
      this.setData({
        scanOverShow: true,
        scanResMsg: e,
        scanSuccess: false
      })
    })
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    console.log(options, 'options');
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow(option) {
    if (!app.globalData.auth.camera) {
      wx.getSetting({
        success (res) {
          console.log(res.authSetting['scope.camera'], 'getSetting')
          if (!res.authSetting['scope.camera']) {
            wx.showModal({
              title: '系统提示',
              content: '请打开相机权限',
              success (res) {
                if (res.confirm) {
                  console.log('用户点击确定')
                  wx.openSetting({
                    success (res) {
                      console.log(res, 'openSetting')
                      app.globalData.auth.camera = res.authSetting['scope.camera']
                    }
                  })
                } else if (res.cancel) {
                  console.log('用户点击取消')
                }
              }
            })
          }
        }
      })
    }
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {
    this.setData({
      scanOverShow: false,
      scanFunctionUse: true
    })
  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})