carInsightSystem_wxapp/pages/insight/index.js

// index.js
const app = getApp();
Page({
    data: {
        active: 0,
        height:app.globalData.navBarHeight + app.globalData.statusBarHeight,
        statusBarHeight:app.globalData.statusBarHeight,
        navBarHeight:app.globalData.navBarHeight,
        navData: [{
            text: '品牌洞察',
            component: 'data-child'
          },
          {
            text: '车型洞察',
            component: 'media-child'
          },
          {
            text: '事件洞察',
            component: 'sound-child'
          },
          {
            text: '主题分析',
            component: 'barometer-child'
          }
        ],
        dataArr:[{title: 'a', up: false}, {title: 'b', up: false}]
    },
    onShow() {
        this.getTabBar().init();
    },

});