ball-applet/pagesSchool/stuAdmin/course/list.js

const app = getApp();
import { is_pay } from '../../../utils/dict';
const moment = require("../../../utils/moment.min")
Page({
    /**
     * 页面的初始数据
     */
    data: {
        frameStyle: { useTop: true, name: '课程信息', leftArrow: true, useBar: false },
        list: [],
        total: 0,
        page: 0,
        skip: 0,
        limit: 5,
        // 支付状态
        is_payList: is_pay,
        // 课程状态
        statusList: [],
    },
    // 返回
    back: function () { wx.navigateBack({ delta: 1 }) },
    //详细信息
    toCommon: function (e) {
        const that = this;
        const { item, route } = e.currentTarget.dataset;
        that.setData({ skip: 0, page: 0, list: [] });
        wx.navigateTo({ url: `${route}?id=${item && item.lesson_id ? item.lesson_id : ''}` })
    },
    // 支付
    toPay: async function (e) {
        const that = this;
        const { item } = e.currentTarget.dataset;
        wx.showModal({
            title: '提示',
            content: '是否确认支付?',
            async success(res) {
                if (res.confirm) {
                    console.log('支付');
                }
            }
        })
    },
    // 退款
    toRefund: async function (e) {
        const that = this;
        const { item } = e.currentTarget.dataset;
        let time = moment().format('YYYY-MM-DD HH:mm:ss');
        let data = moment(time).isBefore(item.lesson_id_refund_hour);
        if (data == true) {
            wx.showModal({
                title: '提示',
                content: '是否确认退款?',
                async success(res) {
                    if (res.confirm) {
                        console.log('退款');
                    }
                }
            })
        } else {
            wx.showToast({ title: '超过退款期限无法退款', icon: 'none', duration: 2000 })
        }
    },
    // 分页
    toPage: function () {
        const that = this;
        let list = that.data.list;
        let limit = that.data.limit;
        if (that.data.total > list.length) {
            wx.showLoading({ title: '加载中', mask: true })
            let page = that.data.page + 1;
            that.setData({ page: page })
            let skip = page * limit;
            that.setData({ skip: skip })
            that.watchLogin();
            wx.hideLoading()
        } else { wx.showToast({ title: '没有更多数据了', icon: 'none', duration: 2000 }) }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) { },
    /**
     * 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: async function () {
        const that = this;
        // 查询其他信息
        await that.searchOther();
        // 监听用户是否登录
        await that.watchLogin();
    },
    searchOther: async function () {
        const that = this;
        let arr;
        // 状态
        arr = await app.$get(`/dict`, { code: 'lesson_status' });
        if (arr.errcode == '0' && arr.total > 0) that.setData({ statusList: arr.data[0].list });
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        wx.getStorage({
            key: 'user',
            success: async res => {
                let info = { skip: that.data.skip, limit: that.data.limit, student_id: res.data.info._id };
                let arr = await app.$get(`/lessonStudent`, { ...info });
                if (arr.errcode == '0') {
                    let list = [...that.data.list, ...arr.data];
                    for (const val of list) {
                        // 课程状态
                        let status = that.data.statusList.find(i => i.value == val.lesson_id_status)
                        if (status) val.zhStatus = status.label;
                        // 支付状态
                        let pay = is_pay.find(i => i.value == val.is_pay)
                        if (pay) val.zhPay = pay.label;
                    }
                    that.setData({ list })
                    that.setData({ total: arr.total })
                } else { wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 }) }
            },
            fail: async res => {
                wx.redirectTo({ url: '/pages/index/index' })
            }
        })
    },
    /**
     * 页面上拉触底事件的处理函数
     */
    /**
     * 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 () {
        const that = this;
        that.setData({ skip: 0, page: 0, list: [] })
    },

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

    },

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

    }
})