JS implements the curriculum timetable applet (imitating the super curriculum timetable) and adds a custom background function

{
                name: "Set the timetable background",
                icon: "/images/scheduleIcon.png",
                url: "/pages/schedule/schedule?",
            },

<view style="height:{{CustomBar}}px;">
    <view class="cu-bar ev-fr-start" bindtap="BackPage" style="height:{{CustomBar}}px;padding-top:{{StatusBar}}px;">
        <text class="cuIcon-back padding-lr-sm"></text>
        <view class="action">{{couples? "Set background for Ta":"Set the timetable background"}}</view>
    </view>
</view>
<view wx:if="{{couples}}" class="ev-mainBody">
    <view class="ev-fc-center">
        <view wx:if="{{!CouplesBG}}" data-type='Couples' bind:tap="modifyImage" class="addBG ev-fc-center">
            <text class="cuIcon-roundadd" style="color:#5E99FB"></text>
            <text class="padding-xs" style="color:#5E99FB">Upload background</text>
        </view>
        <view wx:if="{{CouplesBG}}" class="BGBox ev-fc-center">
            <view class="BGImg" data-type='Couples' bind:tap="modifyImage">
                <image mode="aspectFill" src="{{CouplesBG}}" />
            </view>
            <view class="round BGState">Couple timetable background</view>
        </view>
    </view>
    <view class="padding-top">
        <view class="title">Background start display time</view>
        <dateTimePicker type="minute" bind:change="TimePicker">
            <view class="sendTimeBox ev-fr">
                <input type="text" class="sendTime padding-lr" disabled="{{true}}" value="{{sendTime}}" />
                <text style="font-size:24px;color:#92979D" class="cuIcon-triangledownfill padding-lr-sm"></text>
            </view>
        </dateTimePicker>
    </view>
    <view class="padding-top">
        <view class="title">Set background display duration</view>
        <button wx:for="{{displayTimeList}}" wx:key="index" class="cu-btn round margin-tb {{item.checked ? 'bg-blue':''}} margin-right" data-id="{{index}}" bind:tap="showTime">
            {{item.label}}
        </button>
    </view>
    <button bind:tap="saveCouplesBG" disabled="{{!CouplesBG}}" class="cu-btn block bg-blue margin-tb-sm lg saveButton" style="bottom: {{StatusBar}}px;" type="">
        Save</button>
</view>
<view wx:else class="ev-mainBody">
    <view>
        <image class="message" mode="scaleToFill" src="/images/scheduleIcon.png" />
    </view>
    <view>
        <text class="title">Set the timetable background</text>
        <view class="padding-top-sm tips">Users can upload their favorite pictures as the background display of the timetable (click on the picture to replace)</view>
    </view>
    <view class="ev-fr BGListBox">
        <view wx:if="{{dailySchedule}}" class="BGBox ev-fc-center">
            <view class="BGImg" data-type='daily' bind:tap="modifyImage">
                <image mode="aspectFill" src="{{dailySchedule}}" />
            </view>
            <view class="round BGState">Daily Schedule Background</view>
        </view>
        <view wx:if="{{!dailySchedule}}" data-type='daily' bind:tap="modifyImage" class="addBG ev-fc-center">
            <text class="cuIcon-roundadd" style="color:#5E99FB"></text>
            <text class="padding-xs" style="color:#5E99FB">Upload daily schedule background</text>
        </view>
        <view wx:if="{{weeklySchedule}}" class="BGBox ev-fc-center">
            <view class="BGImg" data-type='week' bind:tap="modifyImage">
                <image mode="aspectFill" src="{{weeklySchedule}}" />
            </view>
            <view class="round BGState">Weekly Schedule Background</view>
        </view>
        <view wx:if="{{!weeklySchedule}}" data-type='week' bind:tap="modifyImage" class="addBG ev-fc-center">
            <text class="cuIcon-roundadd" style="color:#5E99FB"></text>
            <text class="padding-xs" style="color:#5E99FB">Upload weekly timetable background</text>
        </view>
    </view>
    <button wx:if="{{(weeklySchedule || dailySchedule)}}" bind:tap="saveButton" class="cu-btn block bg-blue margin-tb-sm lg saveButton" style="bottom: {{StatusBar}}px;" type="">
        Restore default background</button>
</view>

import {
    scheduleBG,
    couplesBG,
    couplesInfoAdd,
    setbgdefault,
} from "../../utils/api/user";
//Get the application instance const app = getApp();
const dayjs = require("../../utils/dayjs/dayjs.min");
import { wxShowToast } from "../../utils/promisify";
Page({
    data: {
        StatusBar: app.globalData.StatusBar,
        CustomBar: app.globalData.CustomBar,
        ImgUrl: app.globalData.ImgUrl,
        displayArea: app.globalData.displayArea,
        CouplesBG: null, // Couples schedule background dailySchedule: null, // Daily schedule background weeklySchedule: null, // Weekly schedule background sendTime: "now", // Couples schedule background start time displayTimeList: [
            {
                label: "One day",
                checked: false,
                time: 1,
            },
            {
                label: "one week",
                checked: true,
                time: 7,
            },
            {
                label: "one month",
                checked: false,
                time: 30,
            },
        ],
        startTime: null,
    },
    onLoad: function (query) {
        let { index_bgimage, table_bgimage } = app.globalData.userInfo;
        this.setData({
            couples: query.couples ? query.couples : null,
            dailySchedule: index_bgimage
                ? app.globalData.ImgUrl + index_bgimage
                : null, //Daily schedule background weeklySchedule: table_bgimage
                ? app.globalData.ImgUrl + table_bgimage
                : null, // Weekly schedule background});
    },
    /**
     * Go back one page */
    BackPage() {
        wx.navigateBack({
            delta: 1,
        });
    },
    /**
     * Switch display time */
    showTime(e) {
        let id = e.currentTarget.dataset.id;
        console.log(e.currentTarget.dataset.id);
        let displayTimeList = this.data.displayTimeList.map((v, i) => {
            v.checked = id === i;
            return v;
        });
        this.setData({
            displayTimeList,
        });
    },
    /**
     * Modify background */
    modifyImage(e) {
        let type = e.currentTarget.dataset.type;
        wx.chooseImage({
            count: 1,
            sizeType: ["compressed"],
            sourceType: ["album"],
            success: (res) => {
                // tempFilePath can be used as the src attribute of the img tag to display images const tempFilePaths = res.tempFilePaths;
                switch (type) {
                case "week":
                    scheduleBG(tempFilePaths[0], "table").then((v) => {
                        app.getSet();
                        v.code && wxShowToast(v.msg);
                        this.setData({
                            weeklySchedule: tempFilePaths[0],
                        });
                    });
                    break;
                case "daily":
                    scheduleBG(tempFilePaths[0], "index").then((v) => {
                        app.getSet();
                        v.code && wxShowToast(v.msg);
                        this.setData({
                            dailySchedule: tempFilePaths[0],
                        });
                    });
                    break;
                case "Couples":
                    couplesBG(tempFilePaths[0]).then((v) => {
                        console.log(v);
                        app.getSet();
                        v.code && wxShowToast(v.msg);
                        this.setData({
                            CouplesBG:
                                    app.globalData.ImgUrl + v.data.imgurl,
                        });
                    });
                    break;
                default:
                    wxShowToast("Setting failed, please try again");
                    break;
                }
            },
        });
    },
    /**
     * Restore default background */
    saveButton() {
        this.setData({
            dailySchedule: null,
            weeklySchedule: null,
        });
        setbgdefault().then((v) => {
            v.code && wxShowToast(v.msg);
            app.getSet();
        });
    },
    /**
     * Start time of couple class schedule */
    TimePicker(e) {
        let day = dayjs(e.detail).format("MM月DD日");
        let am = dayjs(e.detail).format("A") == "PM" ? "afternoon" : "morning";
        let time = dayjs(e.detail).format("HH:mm");
        let sendTime = `${day} ${am} ${time}`;
        console.log(sendTime, "TimePicker");
        this.setData({
            sendTime,
            startTime: dayjs(e.detail),
        });
    },
    /**
     * Save couple background */
    saveCouplesBG() {
        let { displayTimeList, startTime, CouplesBG } = this.data;
        let endType = displayTimeList.filter((v) => v.checked === true)[0];
        let _startTime = startTime ? dayjs(startTime) : dayjs();
        let endTime = endType.time;
        let tid = app.globalData.userInfo.lovers_id;
        if (!tid) {
            wx.showToast({
                title: "Save failed",
                icon: "none",
                duration: 2000,
            });
            return;
        }
        couplesInfoAdd({
            tid,
            starttime: _startTime.unix(),
            endtime: endTime,
            love_sort: 1,
            contents: CouplesBG.replace(this.data.ImgUrl, ""),
        }).then((v) => {
            wxShowToast(v.msg);
            if (v.code) {
                app.getSet().then(() => {
                    this.BackPage();
                });
            }
        });
    },
});

headBox {
  width: 750rpx; }

page {
  background-color: #fff; }

.BGListBox {
  flex-wrap: wrap;
  justify-content: space-between; }

.BGBox {
  width: 321rpx;
  height: 321rpx;
  border-radius: 34rpx;
  overflow: hidden;
  margin-top: 22rpx; }
  .BGBox .BGImg {
    width: 321rpx;
    height: 321rpx; }
  .BGBox .BGState {
    position: relative;
    background: #000000;
    opacity: 0.5;
    padding: 10rpx 20rpx;
    bottom: 50rpx;
    color: #fff; }

.addBG {
  width: 321rpx;
  height: 321rpx;
  margin-top: 22rpx;
  border: 1rpx dashed #92979d;
  border-radius: 24rpx;
  border-radius: 34rpx; }

.message {
  width: 70rpx;
  height: 70rpx;
  margin-top: 20rpx; }

.title {
  font-size: 32rpx;
  font-weight: 500;
  line-height: 45rpx;
  color: #282b2f; }

.tips {
  font-size: 24rpx;
  font-weight: 400;
  line-height: 33rpx;
  color: #92979d; }

.sendTimeBox {
  width: 686rpx;
  height: 90rpx;
  background: #ffffff;
  border: 1rpx solid #dfe4ea;
  border-radius: 14rpx;
  margin: 24rpx 0; }