carInsightSystem_wxapp/contrastPackages/addTheme/index.js

// pages/varComm/pages/addEvent/index.js
const app = getApp()
Page({

    /**
     * 页面的初始数据
     */
    data: {
        active: 0,
        result: [],
        themeList: [],
        themeData: [],
        issList: [],
        titleList: [{
            title: '我的主题',
            index: 0,
            active: true
        }, {
            title: '往期主题',
            index: 1,
            active: false
        }]
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        this.getData()
        if (options.switchTheme) {
            let switchTheme = JSON.parse(options.switchTheme)
            this.setData({
                switchTheme
            })
        }
    },
    onUnload() {
        if (this.data.switchTheme) {
            this.back('switch')
        }
    },
    changeTitle(e) {
        let index = e.currentTarget.dataset.index
        let arr = this.data.titleList
        for (let [index1, i] of arr.entries()) {
            if (index1 == index) {
                i.active = true
            } else {
                i.active = false
            }
        }
        this.setData({
            titleList: arr,
            active: index
        })
    },
    onChange(event) {
        const {
            detail
        } = event
        let themeData = []
        for (let i of detail) {
            themeData.push(JSON.parse(i))
        }
        themeData.len = 6
        this.setData({
            result: detail,
            themeData,
        })
        wx.setStorageSync('themeData', themeData)
        this.setData({
            hasAdd:true
        })
        this.back('add')
      
    },
    back(type) {
        if (type == 'add') {
            wx.navigateBack({
                delta: 1,
            })
        } else if (type == "switch" && !this.data.hasAdd) {
            console.log("执行切换");
            let {
                themeData
            } = this.data
            themeData.push(this.data.switchTheme)
            wx.setStorageSync('themeData', themeData)
        }
    },
    getData() {
        let themeData = wx.getStorageSync('themeData')
        let result = []
        themeData.forEach(ele => {
            if (ele) result.push(JSON.stringify(ele)), this.data.themeData.push(ele)
        })
        this.setData({
            result
        })
        app.globalData.request({
            action: 'getSchemeDataToTheme',
            token: wx.getStorageSync('token'),
            sType: 'contrast'
        }).then(res => {
            for (let i of themeData) {
                if (i) {
                    for (let j = 0; j < res.length; j++) {
                        if (i.Id == res[j].Id) {
                            res.splice(j, 1)
                        }
                    }
                }
            }
            this.setData({
                themeList: res
            })
        })

        app.globalData.request({
            action: 'getSchemeDataToTheme',
            token: wx.getStorageSync('token'),
            sType: 'former'
        }).then(res => {
            this.setData({
                issList: res
            })
        })
    }
})