tourism-wxapp/nova-tourism/pages/my/my-card/index.js

// nova-tourism/pages/my/my-card/index.js
Page({

    /**
     * 页面的初始数据
     */
    data: {
        statusBarHeight: 0,
        screenHeight: 0,
        customHeight: 0,
        bottomNavHeight: 0,
        contentHeight: 0,

        currentTab: 0,
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        const systemInfo = wx.getSystemInfoSync();
        const statusBarHeight = systemInfo.statusBarHeight || 0;
        const screenHeight = systemInfo.screenHeight || 0;
        const custom = wx.getMenuButtonBoundingClientRect();
        const customHeight = custom.height + 10 + 2 || 0;
        const bottomNavHeight = systemInfo.screenHeight - systemInfo.safeArea.bottom || 0;

        const contentHeight = (screenHeight - bottomNavHeight - statusBarHeight - customHeight) * 750 / systemInfo.windowWidth;
        this.setData({
            statusBarHeight,
            screenHeight,
            customHeight,
            bottomNavHeight,
            contentHeight
        });
    },
    switchTab (e) {
        const index = e.currentTarget.dataset.index;
        this.setData({
          currentTab: index
        });
        console.log(this.data.currentTab);
      },

    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow: function () {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide: function () {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload: function () {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh: function () {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom: function () {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage: function () {

    },
    onChange(event) {

      },
})