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: 'brand-child'
          },
          {
            text: '车型洞察',
            component: 'modal-child'
          },
          {
            text: '事件洞察',
            component: 'event-child'
          },
          {
            text: '主题分析',
            component: 'theme-child'
          }
        ],
        recommandBrand: [
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            },
            {
                img: "./cars/audi.jpg",
                title: "奥迪"
            }
        ],
        dataArr:[{title: 'a', up: false}, {title: 'b', up: false}],
        brandForm: {
            brand: ''
        }
    },
    onShow() {
        this.getTabBar().init();
    },
    changeTab(val) {
        let n = val.detail.index;
        this.setData({
            active: n
        })
    }
});