hn_museum_game/miniProgram/app.js

require('./utils/mixins_core')
import fetchutil from './utils/http'


// app.ts
App({
  globalData: {
    userInfo: '',
    hasAvatar: ''
  },

  watch(key, method) {
    var obj = this.globalData;

    //加个前缀生成隐藏变量，防止死循环发生
    let ori = obj[key]; //obj[key]这个不能放在Object.defineProperty里
    if (ori) { //处理已经声明的变量，绑定处理
      method(ori);
    }
    Object.defineProperty(obj, key, {
      configurable: true,
      enumerable: true,
      set: function (value) {
        this['_' + key] = value;
        method(value);
      },
      get: function () {
        // 在其他界面调用key值的时候，这里就会执行。
        if (typeof this['_' + key] == 'undefined') {
          if (ori) {
            //这里读取数据的时候隐藏变量和 globalData设置不一样，所以要做同步处理
            this['_' + key] = ori;
            return ori;
          } else {
            return undefined;
          }
        } else {
          return this['_' + key];
        }
      }
    })
  },
  
  login() {
    wx.login({
      success: res => {
        fetchutil.get(`api/wx/login/${res.code}`, {}, {}).then((response) => {
          wx.setStorageSync('token', response.data.token)
          this.globalData.userInfo = {
            ...this.globalData.userInfo,
            ...response.data.wxUser
          }
          this.globalData.hasAvatar = response.data.wxUser.avatarUrl
          console.log(response);
        })
      },
    })

  },



  onLaunch() {

    let token = wx.getStorageSync('token')

    if (token) {
      fetchutil.get(`api/wx/checkToken`, {}, {}).then((response) => {
        if (!response.data) {
          this.login()
        }
      }).catch(() => {
        // @ts-ignore
        this.login()
      })
    } else {
      // @ts-ignore
      this.login()
    }

  },
})