smart-canteen/custom-tab-bar/index.js

const app = getApp()
Component({
  data: {
    selected: '',
    color: "#7A7E83",
    selectedColor: "#409eff",
    list: [{
      "pagePath": "/pages/home/index",
      "iconPath": "/image/home1.png",
      "selectedIconPath": "/image/home2.png",
      "text": "首页"
    },
    {
      "pagePath": "/pages/reserve/index",
      "iconPath": "/image/reserve1.png",
      "selectedIconPath": "/image/reserve2.png",
      "text": "报餐"
    },
    {
      "pagePath": "/pages/news/index",
      "iconPath": "/image/news1.png",
      "selectedIconPath": "/image/news2.png",
      "text": "新闻"
    },
    {
      "pagePath": "/pages/my/index",
      "iconPath": "/image/my1.png",
      "selectedIconPath": "/image/my2.png",
      "text": "我的"
    }]
  },
  attached() {
  },
  methods: {
    switchTab(e) {
      const { index, path } = e.currentTarget.dataset;
      if (index == 3) {
        wx.getStorage({
          key: 'userInfo',
          success: function (res) {
            app.globalData.userInfo = res.data;
            wx.switchTab({ url: path })
          },
          fail: function (res) {
            wx.getUserProfile({
              desc: '用于完善会员资料', // 声明获取用户个人信息后的用途，后续会展示在弹窗中，请谨慎填写
              success: (res) => {
                wx.setStorage({ key: "userInfo", data: res.userInfo })
                app.globalData.userInfo = res.userInfo;
                wx.switchTab({ url: path })
              }
            })
          }
        })
      } else {
        wx.switchTab({ url: path })
      }
      // wx.switchTab({ url })
      // wx.reLaunch({ url })
      // this.setData({
      //   selected: data.index
      // })
    }
  }
})