ball-applet/pagesSchool/common/lessoninfo.js

const app = getApp()
const moment = require("../../utils/moment.min")
const util = require('../../utils/util.js')
Page({
    data: {
        frameStyle: { useTop: true, name: '课程详细信息', leftArrow: true, useBar: false },
        iconUrl: app.globalData.icon,
        id: '',
        tabs: {
            active: 'a',
            menu: [
                { title: '课程信息', active: 'a' },
                { title: '教练信息', active: 'b' },
                { title: '学员信息', active: 'c' },
            ],
        },
        // 课程信息
        form: {},
        // 教练信息
        coachList: [],
        // 学员信息
        studentList: [],
        total: 0,
        skip: 0,
        limit: 10,
        page: 0,
        // 字典表
        //状态
        statusList: [],
    },
    // 跳转菜单
    back(e) {
        wx.navigateBack({ delta: 1 })
    },
    tabsChange: function (e) {
        const that = this;
        let { active } = e.detail;
        that.setData({ 'tabs.active': active });
    },
    // 报名
    async toSign(e) {
        const that = this;
        const { item } = e.currentTarget.dataset;
        let id = that.data.id;
        wx.getStorage({
            key: 'user',
            success: async res => {
                let user = res.data;
                if (user && user.type == '3') {
                    let obj = { openid: user.openid, money: item.money, school_id: item.school_id, student_id: user.info._id, lesson_id: id };
                    // 创建报名
                    await that.createLesson(obj);
                } else {
                    wx.showToast({
                        title: '账号角色不对，不可报名',
                        icon: 'none'
                    })
                }

            },
            fail: res => {
                wx.redirectTo({ url: '/pages/index/index', })
            }
        })
    },
    // 创建报名信息
    async createLesson(e) {
        const that = this;
        let res = await app.$post(`/lessonStudent`, e);
        if (res.errcode == '0') {
            // wxSign有值：余额不够，需手动支付
            // 无值：余额够，无需支付
            if (res?.data?.wxSign) {
                // 调取支付窗口
                let wxSign = res.data.wxSign;
                wx.requestPayment({
                    timeStamp: wxSign.timestamp,
                    nonceStr: wxSign.nonceStr,
                    package: `prepay_id=${wxSign.prepay_id}`,
                    signType: wxSign.signType,
                    paySign: wxSign.paySign,
                    async success(payRes) {
                        wx.showToast({ title: '报名成功', icon: 'none' })
                        that.watchLogin();
                    },
                    async fail(payErr) {
                        wx.showToast({ title: '支付不成功', icon: 'none' })
                    }
                })
            } else {
                wx.showToast({ title: '报名成功', icon: 'none' });
                that.watchLogin()
            }
        } else {
            wx.showToast({ title: res.errmsg, icon: 'none' })
        }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: async function (options) {
        const that = this;
        await that.setData({ id: options.id || '63563bbd8018a39220eca774' })
        // 查询其他信息
        await that.searchOther();
        // 监听用户是否登录
        await that.watchLogin();
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        if (that.data.id) {
            await that.searchInfo();
            // 查询教练
            await that.searchCoach();
            // 查询学员信息
            await that.searchStudent()
        }
    },
    async searchInfo() {
        const that = this;
        const res = await app.$get(`/lesson/${that.data.id}`);
        if (res.errcode == '0') {
            // 课程状态
            res.data.zhStatus = that.searchStatus(res.data.status);
            // 课程信息
            that.setData({ form: res.data })
        }
        else { wx.showToast({ title: res.errmsg, icon: 'none' }) }
    },
    searchStatus(e) {
        const that = this;
        let data = that.data.statusList.find(i => i.value == e);
        if (data) return data.label
    },
    async searchCoach() {
        const that = this;
        let id = that.data.id;
        let res = await app.$get(`/lessonCoach`, { lesson_id: id });
        if (res.errcode == '0') {
            for (const val of res.data) {
                if (val.coach_id_phone) val.coach_id_phone = util.hidePhone(val.coach_id_phone);
            }
            that.setData({ coachList: res.data })
        } else {
            wx.showToast({ title: res.errmsg, icon: 'none' })
        }
    },
    async searchStudent() {
        const that = this;
        let id = that.data.id;
        let info = { skip: that.data.skip, limit: that.data.limit, lesson_id: id }
        let res = await app.$get(`/lessonStudent`, { ...info });
        if (res.errcode == '0') {
            let list = [...that.data.studentList, ...res.data];
            for (const val of list) {
                if (val.student_id_phone) val.student_id_phone = util.hidePhone(val.student_id_phone);
            }
            that.setData({ studentList: list })
            that.setData({ total: res.total })
        } else {
            wx.showToast({ title: res.errmsg, icon: 'none' })
        }
    },
    // 清空列表
    clearPage() {
        const that = this;
        that.setData({ list: [], skip: 0, limit: 10, page: 0 })
    },
    // 分页
    toPage: function () {
        const that = this;
        let list = that.data.studentList;
        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.searchStudent();
            wx.hideLoading()
        } else { wx.showToast({ title: '没有更多数据了', icon: 'none', duration: 2000 }) }
    },
    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 });
    },
    /**
     * 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 () { },

    /**
     * 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 () {

    },

    /**
     * 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 () {

    }
})