lichebao/app.js

import log from './commons/js/utils/log'
App({
  onLaunch: function () {
    let that = this;
    this.updateVersion()
    wx.getSystemInfo({
      success(res) {
        that.globalData.statusBarHeight = res.statusBarHeight;
        that.globalData.screenHeight = res.screenHeight;
        that.globalData.screenWidth = res.screenWidth;
        if (res.platform == "devtools") {
          that.globalData.platform = "android";
        } else {
          that.globalData.platform = res.platform
        }
      }
    })
    wx.onMemoryWarning(function () {
      let getPath = getCurrentPages()
      let currentPage = getPath[getPath.length - 1]
      wx.reportAnalytics('outofmemory', {
        pages: getPath, //获取所有页面
        url: currentPage.route, //当前页面url
        options: currentPage.options //如果要获取url中所带的参数可以查看options
      })
      that.printErrorClient('filteroutofmemory')
      wx.reportMonitor('0', 500)
      wx.reLaunch(currentPage.route)
    })
  },
  onHide: function () {
    if (wx.canIUse('offMemoryWarning')) {
      wx.offMemoryWarning()
      // this.printErrorClient('offmemory')
    } else {
      this.printErrorClient('offmemorylowversion')
      console.warn('当前微信版本' + wx.getSystemInfoSync().SDKVersion + '过低，无法使用该功能，请升级到最新微信版本后重试。')
    }
  },
  onPageNotFound(res) {
    this.printErrorClient('404notfound',['错误信息：'+JSON.stringify(res)])
    if (res.path == 'pages/detail/detail') {
      this.errorPageRedirect('/pages/index/index', '抱歉，该页面已迁移，请在搜索页查询...')

    } else if (res.path == 'pages/card/card' || res.path == 'pages/mine/mine') {
      this.errorPageRedirect('/pages/mine/index')
    } else {
      this.errorPageRedirect('/pages/index/index', '抱歉，该页面无法访问，正在回到首页...')
    }
  },
  initNum: 0,
  globalData: {
    loginRuning: false,
    loginCollect: [],
    userInfo: '',
    location: '',
    ukey: "",
    statusBarHeight: 20,
    screenHeight: 0,
    screenWidth: 0,
    platform: '',
    
  },

  setStorage: function (key, data, callback = function () {}, reject = function () {}) {
    try {
      wx.setStorageSync(key, data);
      this.globalData[key] = data;
      callback(data)
    } catch (e) {
      reject(e)
    }
  },
  getStorageByKey: function (key) {
    var storage;
    if (!!this.globalData[key]) {
      return this.globalData[key];
    } else {
      try {
        const value = wx.getStorageSync(key)
        if (value) {
          storage = value;
          return storage;
        }
      } catch (e) {
        console.warn("getStorageByKey-fail:" + key);
      }
    }
    return !!storage ? storage : "";
  },
  errorPageRedirect(URL, TITLE = '正在跳转，请稍候...') {
    wx.showToast({
      title: TITLE,
      icon: 'none',
      duration: 2000,
      success: function () {
        setTimeout(function () {
          wx.reLaunch({
            url: URL
          })
        }, 2000)
      }
    })
  },
  /** 
   * 打印客户端信息
   */
  printErrorClient(MSGNAME, ER = []) {
    log.setFilterMsg(MSGNAME)
    let pages = getCurrentPages() //获取加载的页面
    if(pages.length>0){
      let currentPage = pages[pages.length - 1] //获取当前页面的对象
      log.warn('当前页面：' + currentPage.route)
      log.info('路径：' + JSON.stringify(pages))
    }else{
      log.warn('当前页面不在app.json列表里')
    }
    let systemInfo = wx.getSystemInfoSync()
    log.info('设备型号：' + systemInfo.model)
    log.info('微信版本号：' + systemInfo.version)
    log.info('操作系统及版本：' + systemInfo.system)
    log.info('客户端平台：' + systemInfo.platform)
    log.info('客户端基础库版本：' + systemInfo.SDKVersion)
    log.info('地理位置的系统开关：' + systemInfo.locationEnabled)
    log.info('客户端Ukey：' + wx.getStorageSync('ukey'))
    log.info('客户端Userinfo：' + JSON.stringify(wx.getStorageSync('userInfo')))
    for(let i =0;i<ER.length;i++){
      log.info(ER[i])
    }
  },
  updateVersion() {
    const updateManager = wx.getUpdateManager()
    updateManager.onCheckForUpdate(function (res) {
      // 请求完新版本信息的回调
    })
    updateManager.onUpdateReady(function () {
      wx.showModal({
        title: '更新提示',
        content: '新版本已经准备好，是否重启应用？',
        success: function (res) {
          if (res.confirm) {
            // 新的版本已经下载好，调用 applyUpdate 应用新版本并重启
            updateManager.applyUpdate()
          }
        }
      })
    })
    updateManager.onUpdateFailed(function () {
      // 新版本下载失败
    })
  }
})