share_activity/app.js

// app.js

import Activity from './api/activity';
App({
  onLaunch() {
    // 展示本地存储能力
    // const logs = wx.getStorageSync('logs') || []
    // logs.unshift(Date.now())
    // wx.setStorageSync('logs', logs)

    // 登录
    var openId = wx.getStorageSync('loginInfo').openId
    if(!openId){
      this.login();
    }
   
  },
  checkInvalid(param={},callBack='') {
    let _self = this;
    wx.checkSession({
      success () {
        //session_key 未过期，并且在本生命周期一直有效
        if(typeof(callBack)==='function'){
          callBack(param);
        }
      },
      fail () {
        _self.login(function(){
           // session_key 已经失效，需要重新执行登录流程
          if(typeof(callBack)==='function'){
            callBack(param);
          }
        });
       
      }
    })
  },
   // 登录
   login() {
    wx.login({
      success: res => {
        let code = res.code;
        let result = Activity.getSessionKeyFromApi(code);
        result.then(res=>{
          wx.setStorageSync('loginInfo',{
            openId:res.openId,
            sessionKey:res.sessionKey
          });
        });
        // if(typeof(call)=='function') {
        //   call();
        // }
      }
    })
  },
  /**
   * 接口请求手机号
   * @param {*} encryptedData
   * @param {*} iv
   * @param call
   */
  async doDecodePhone(encryptedData,iv,call='') {
    let _self = this;
    //验证登录是否失效
    _self.checkInvalid({encryptedData:encryptedData,iv:iv,call:call},function(param){
      var params = {
        encryptedData: param.encryptedData,
        iv: param.iv,
        sessionKey:Activity.getSessionKey(),
      };
      try {
        let res = Activity.getAuthMobile(params);   
        res.then(userInfo=>{
          let mobile = userInfo.phoneNumber;
          // @todo从缓存里面取openId
          let openId = Activity.getOpenId();
          //保存用户信息
          Activity.saveUser(openId,mobile);
          Activity.setMobileCache(mobile);
          if(param.call && typeof(param.call)=='function') {
            param.call();
          }
        })
      }catch(err) {
        console.log(err);
      }
    });
  },
  globalData: {
    userInfo: null,
    appCode:'HSAY_SHARE_COUPON',
    typeSwitchObj : {"C":'现金券',"D":"折扣券"}
  }
})