carInsightSystem_wxapp/pages/varComm/index.js

// index.js

Page({
    data: {
        active:0,
        showChart: true,
        wshow:true,
    },
    onShow() {
        this.getTabBar().init();
        console.log(this.data.active)
        if(this.data.active==2 || this.data.active==3){
            this.reLoad()
        }
    },
    changeTab(val) {
        let n = val.detail.index;
        this.setData({
            active: n
        })
    },
    reLoad(){
        this.setData({
            wshow:false
        })  
        this.setData({
            wshow:true
        })
    }
});