text: /**
   * 用户相关服务
   */
  const util = require('../utils/util.js');
  const api = require('../config/api.js');
  
  
  /**
   * Promise封装wx.checkSession
   */
  function checkSession() {
    return new Promise(function(resolve, reject) {
      wx.checkSession({
        success: function() {
          resolve(true);
        },
        fail: function() {
          reject(false);
        }
      })
    });
  }
  
  /**
   * Promise封装wx.login
   */
  function login() {
    return new Promise(function(resolve, reject) {
      wx.login({
        success: function(res) {
          console.log("login  code",res.code)
          if (res.code) {
            resolve(res);
          } else {
            reject(res);
          }
        },
        fail: function(err) {
          reject(err);
        }
      });
    });
  }
  
  /**
   * 调用微信登录
   */
  function loginByWeixin2(userInfo){
    return new Promise(function(resolve,reject){
      return login().then((res) => {
        
      })
    });
  }
  function loginByWeixin(userInfo) {
  
    return new Promise(function(resolve, reject) {
      return login().then((res) => {
        //登录远程服务器
        util.request(api.AuthLoginByWeixin, {
          code: res.code,
          userInfo: userInfo
        }, 'POST').then(res => {
          if (res.errno === 0) {
            //存储用户信息
            wx.setStorageSync('userInfo', res.data.userInfo);
            wx.setStorageSync('token', res.data.token);
            resolve(res);
          } else {
            reject(res);
          }
        }).catch((err) => {
          reject(err);
        });
      }).catch((err) => {
        reject(err);
      })
    });
  }
  
  /**
   * 判断用户是否登录
   */
  function checkLogin() {
    return new Promise(function(resolve, reject) {
      if (wx.getStorageSync('userInfo') && wx.getStorageSync('token')) {
        checkSession().then(() => {
          resolve(true);
        }).catch(() => {
          reject(false);
        });
      } else {
        reject(false);
      }
    });
  }
  
  module.exports = {
    loginByWeixin,
    checkLogin,
  };