laundry/app.js

// app.js
var projectMode = 2;//0代表开发模式（本地环境），1代表测试模式（线上测试环境）,2代表线上模式（正式运行环境）
var info = wx.getSystemInfoSync();
if (info.platform != "devtools" && projectMode == 0) { projectMode = 1 }
var envVersion = `${__wxConfig.envVersion}`;//develop	开发版，trial	体验版，release	正式版
if (envVersion == 'release') { projectMode = 2 }
import api from './utils/api'
App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)
    var that = this;

    this.getLocation();

    // 登录

    wx.checkSession({
      success: res => {
        console.log(res)
      },
      fail: (res) => {
      }
    })


    this.globalData.btnInfo = wx.getMenuButtonBoundingClientRect()
    console.log(this.globalData.btnInfo, '按钮信息');

  },
  globalData: {
    userInfo: null,
    btnInfo: null,
    baseAppUrl: projectMode == 2 ? 'https://wash.nanodreamtech.com/' : (projectMode == 1 ? 'https://wash.nanodreamtech.com/' : 'http://127.0.0.1:8000/'),
    location: {'latitude':123,'longitude':321}
  },
  api: api,

  getLocation(e) {
    var that = this;

    wx.startLocationUpdateBackground({
      success(res) {
        console.log('开启后台定位', res)
        wx.onLocationChange(function (ress) {
         wx.setStorageSync('latitude', ress.latitude)
         wx.setStorageSync('longitude', ress.longitude)
          that.globalData.location = ress;
          that.login(that.globalData.location.latitude,  that.globalData.location.longitude).then(function (res) {
            if (res.code != 200) {

            }


          }, function (err) {

          })


        })
      },
      fail(res) {
        console.log('开启后台定位失败', res)
      }
    })
  },

  login(lat = "", lng = "") {
    var that = this;
    return new Promise((resolve, reject) => {

      wx.checkSession({
        success: (res) => {

        },
        fail: (res) => {
      
          wx.login({
            success: res => {
              // 发送 res.code 到后台换取 openId, sessionKey, unionId
              that.api.useApi(that.globalData.baseAppUrl + "api/login", {
                code: res.code,
                lat: lat,
                lng: lng,
                appid: wx.getAppBaseInfo().host.appId
              }, "post").then(function (res) {
                wx.showLoading({
                  title: '登录中',
                })
                console.log(res);
                if (res.code != 200) {
                  setTimeout(function () {
                    that.login(lat, lng);
                  }, 1000);
                } else {
                  wx.hideLoading();
                  wx.setStorageSync('token', res.message.token);
                  wx.setStorageSync('uid', res.message.user_id);
                  wx.setStorageSync('nid', res.message.network_id);//当前网点选择id
                  resolve(res);
                }

              }).catch(function (err) {
                console.log(222);
              })
            }
          })
        }

      })




    })
  }

})