school_meal_wxapp/app.js

// app.js
App({
  onLaunch () {
    // 用户默认登录
    // 微信小程序流程
    function user (app) {
      return new Promise((resolve, reject) => {
        const accountinfo = wx.getAccountInfoSync();
        app.globalData.appid = accountinfo.miniProgram.appId;
        // login登录
        wx.login({
          success: res => {
            let code = res.code;
            app.globalData.code = code;
            // 账号信息
            wx.getUserInfo({
              success: function (res) {
                let { encryptedData, iv, userInfo } = res;
                app.globalData.encryptedData = encryptedData;
                app.globalData.iv = iv;
                app.globalData.avatarUrl = userInfo.avatarUrl;
                resolve();
              }
            })
          },
          fail: function () {
            reject("wx.login获取失败")
          },
        })
      })
    }
    //用户自动登录
    function login (app) {
      return new Promise((resolve, reject) => {
        let { code, appid } = app.globalData, token = '';
        app.globalData.axios({
          url: "/account/code2Session/",
          method: "post",
          token: false,
          data: { code, appid },
          success (res) {
            wx.setStorage({
              data: '',
              key: 'token',
            })
            try { token = res.data.data.token; } catch (err) { };
            !!token ? wx.setStorage({
              data: 'JWT ' + token,
              key: 'token',
            }) : '';
            let data = res.data.data;
            let user = {
              lock: !!token,
              ...data
            }
            app.globalData = { ...app.globalData, user };
            resolve(token);
          }
        })
      })
    }
    user(this).then(res => login(this)).then(res => {
      this.globalData.codeSession = true;
    }).catch(res => wx.lxd.Notify({
      message: res,
      icon: "warn-o"
    }))
  },
  globalData: {
    // 定义tabber
    tabber: {
      tabberlist: [{
        name: '首页',
        url: "/pages/index/index", //对应路径
        icon: "home-o",//不自定义图片，使用vant的图标
      }, {
        name: "我的",
        url: "/pages/login/login",
        src: "",
        icon: "friends-o",
      }],//跳转链接
      active: 0,//默认活动窗口
      activeColor: "#1989fa",//选中时的颜色
      inactiveColor: "#7d7e80",//未选中时的颜色
    },
    // 用户登录状态
    user: {
      lock: false,
      name: '未登录',
      tel: "",
      face: "https://img.yzcdn.cn/vant/cat.jpeg",
    },
    // 支付时，用户地址
    useraddress: {
      id: null
    },
    // 全局请求方法
    axios ({ url: _url = '', token: _token = true, method: _method = 'post', data: _data = {}, success: _success = () => { }, complete: _complete = () => { } }) {
      let globalurl = "http://192.168.2.45:8887", error = (data) => {
        wx.lxd.Notify({
          message: data,
          icon: "warn-o"
        })
      };
      globalurl = "https://lsr.zzly.vip";
      let header_token = {};
      if (_token) header_token = { 'Authorization': !wx.getStorageSync('token') ? '' : wx.getStorageSync('token') };
      return new Promise(resolve => {
        wx.request({
          url: globalurl + _url,
          method: _method,
          header: {
            'Content-Type': 'application/x-www-form-urlencoded',
            ...header_token
          },
          success (res) {
            if (!!res.data.msg) {
              error(res.data.msg);
              return false;
            }
            _success(res)
          },
          data: _data,
          fail () {
            error("请求失败")
          },
          complete () {
            _complete();
            resolve()
          }
        })
      })
    },
    // 用户登录状态
    token () {
      let state = wx.getStorageSync('token');
      if (!!state) return true;
      return false
    }
  }
})