carInsightSystem_wxapp/contrastPackages/themeRatio/index.js

// pages/varComm/pages/brandRatio/index.js
import Dialog from '../../miniprogram_npm/@vant/weapp/dialog/dialog';
Page({

    /**
     * 页面的初始数据
     */
    data: {
        boxArr: new Array(6),
        tabActive: 0,
        sonCom: true,
        tempLate:['一','二','三','四','五','六',]
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {
        this.getData()
    },
    onShow() {
        this.getData()
        this.reLoad()
        this.setData({
            switchTheme:""
        })
    },
    del(e) {
        let filter = this.data.boxArr.filter(ele=>ele!=null)
        if(filter.length==2){
            Dialog.alert({
                message: '至少需要两个',
                context:this 
              })
              return
        }
        let index = e.currentTarget.dataset.index
        let boxArr = this.data.boxArr
        boxArr.splice(index, 1)
        boxArr.length = 6
        this.setData({
            boxArr
        })
        wx.setStorageSync('themeData', boxArr)
        this.reLoad()
    },
    switchTheme(e) {
        let index = e.currentTarget.dataset.index
        let switchTheme = this.data.boxArr.splice(index, 1)[0]
        // this.data.boxArr.splice(index, 1)
        this.setData({
            switchTheme,
        })
        this.add()
    },
    add() {
        wx.setStorageSync('themeData', this.data.boxArr)
        let switchTheme = JSON.stringify(this.data.switchTheme)
        let url = '/contrastPackages/addTheme/index'
        if(this.data.switchTheme){
            url = `/contrastPackages/addTheme/index?switchTheme=${switchTheme}`
        }
        wx.navigateTo({
            url: url,
        })
    },
    changeTab(val) {
        let n = val.detail.index;
        this.setData({
            tabActive: n
        })
    },
    changeTime(event) {
        let {
            detail
        } = event
        wx.setStorageSync('brandRatioTime', detail)
        this.reLoad()
    },
    reLoad() {
        this.setData({
            sonCom: false
        })
        this.setData({
            sonCom: true
        })
    },
    getData() {
        let boxArr = wx.getStorageSync('themeData')

        boxArr.length = 6
        this.setData({
            boxArr: boxArr
        })
        wx.setStorageSync('brandRatioTime', {
            sTimeType: '34'
        })
    }
})