nd_wxapp/app.js

const { $Message} = require('/component/iView/base/index');
const md5 = require('./utils/md5.js');
const secret = "117c0743819088468e590246464cc75e"
const {baseUrl, showMsg} = require("./utils/util.js");
const util = require('./utils/util.js');

App({
  globalData: {
    pageSize: 10,
    userInfo: {},
    departments: [],
    studyInfo: {},
  },
  onLaunch: function () {
    this.autoUpgrade()
  },
  autoUpgrade: function () {
    if (wx.canIUse('getUpdateManager')) {
      const updateManager = wx.getUpdateManager()
      updateManager.onCheckForUpdate(function (res) {
        // 请求完新版本信息的回调
        if (res.hasUpdate) {
          console.log('res.hasUpdate====')
          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) {
                console.log('success====', res)
                if (res.confirm) {
                  updateManager.applyUpdate()
                }
              }
            })
          })
          updateManager.onUpdateFailed(function () {
            // 新的版本下载失败
            wx.showModal({
              title: '已经有新版本了哟~',
              content: '新版本已经上线啦~，请您删除当前小程序，重新搜索打开哟~'
            })
          })
        }
      })
    }
  },
  gotoLogin: function(){
    console.log("gologin")
    wx.navigateTo({
      url: `/pages/user/identify/index`,
    })
  },
  checkLogin: function (cb) {
    let userInfo = this.globalData.userInfo
    if( userInfo && userInfo.uid ){
      cb && cb( userInfo)
      return;
    }
    let _this = this
    let token = wx.getStorageSync('@token');
    if(!token) return cb && cb({});
    wx.login({
      success(wxres) {
        if( !wxres.code){
          util.showMsg("登入失败")
        }else{
          _this.doLoginByCode( wxres.code, cb )
        }
      }
    })
  },
  doLoginByCode( code, cb ){
    let param = {code};
    let _this = this;
    _this.formPost('Auth.wxLogin', param).then( res =>{
      if (res.code == 200) {
        _this.setUserInfo(res.data);
        cb && cb(res.data);
      }else{
        return cb && cb({code:401});
      }
    })
  },
  message: function (content, type) {
    $Message({
      content: content,
      type: type
    });
  },
  formPost: function (action, data) {
    let _this = this
    let userInfo = this.globalData.userInfo||{}
    let user_id = userInfo.userId||0;
    let token = userInfo.token||'';
    let timestamp = Date.now()
    action = action.toLowerCase()
    let signstr = `weixin_${token}_${action}_${timestamp}_${secret}`
    let signsure = md5.md5(signstr).toLowerCase()
    let headers = {
      'Content-Type': 'application/json',
      'x-signsure': signsure,
      'x-timestamp': timestamp,
      'x-userId': user_id
    }
    return new Promise(function (resolve, reject) {
      wx.showNavigationBarLoading();
      wx.request({
        url: `${baseUrl}weixin/${action}`,
        header: headers,
        method: 'POST',
        data,
        success(res) {
          
          if (res.statusCode !== 200 || typeof res.data !== 'object') {
            reject('网络出错')
            return false;
          }
          if(res.data.code != 200 && res.data.code != 401){
            util.showMsg(res.data.msg )
          }
          if(  res.data.code == 401  &&  action.indexOf( "auth.") == -1  ){
            _this.gotoLogin()
            return
          }
          resolve( res.data );
          return true;
        },
        fail(res) {
          reject(res.msg)
          return false;
        },
        complete(res) {
          wx.hideNavigationBarLoading();
        }
      })
    })
  },
  getSystemInfo(  cb ){
    wx.getSystemInfo({
      success: function(res) {
        cb &&cb( res.system )
      }
    })
  },
  checkNavigateTo: function(url){
    let token = wx.getStorageSync('@token');
    if( !token ) return this.gotoLogin()
    wx.navigateTo({url})
  },
  setUserInfo: function (user) {
    this.globalData.userInfo = user;
    wx.setStorageSync('@token', user.token)
  }
})