ball-applet/pages/stuAdmin/course/sign.js

const app = getApp()
Page({
    data: {
        frameStyle: { useTop: true, name: '报名', leftArrow: true, useBar: false },
        id: '',
        form: {},
        user: {},
        //是否试课
        is_try: '0',
        //状态
        statusList: [],
        //学员
        student: {},
        // 教练
        coach: {},
        // 选中
        tabs: {
            active: '0',
            menu: [
                { title: '课程信息', active: '0' },
                { title: '教练人员', active: '1' },
                { title: '学生人员', active: '2' },
            ]
        },
    },
    // 跳转菜单
    back(e) {
        wx.navigateBack({ delta: 1 })
    },
    // 选项卡选择
    tabsChange: function (e) {
        const that = this;
        let data = e.detail;
        that.setData({ 'tabs.active': data.active })
    },
    //试课
    toClass: function () {
        const that = this;
        const form = that.data.form;
        const user = that.data.user;
        wx.showModal({
            title: '提示',
            content: '您是否确定试课？',
            async success(res) {
                if (res.confirm) {
                    let params = { school_id: form.school_id, lesson_id: form._id, student_id: user.info.id }
                    let arr = await app.$post(`/tryLessonApply`, params);
                    if (arr.errcode == '0') { wx.showToast({ title: `试课申请完成`, icon: 'success', duration: 2000 }); that.watchLogin(); }
                    else wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 })
                } else if (res.cancel) { }
            }
        });
    },
    //提交
    onSubmit: async function (e) {
        const that = this;
        const form = that.data.form;
        const user = that.data.user;
        var payer_role = '';
        var money = '';
        if (form.type == '0') money = form.real_money;
        else if (form.type == '1') money = form.money;
        if (user.type == '0') payer_role = 'User';
        else if (user.type == '2') payer_role = 'Coach';
        else if (user.type == '3') payer_role = 'Student';
        wx.showModal({
            title: '提示',
            content: '您是否确定报名？',
            async success(res) {
                if (res.confirm) {
                    wx.getStorage({
                        key: 'user',
                        success: async (res) => {
                            let obj = { openid: res.data.openid, money: 0.1, school_id: form.school_id, payer_id: user.info.id, payer_role: payer_role, pay_for: 'lessonStudent' }
                            const arr = await app.$post(`/payOrder`, obj)
                            if (arr.errcode == '0') {
                                wx.requestPayment({
                                    "timeStamp": arr.data.wxSign.timestamp,
                                    "nonceStr": arr.data.wxSign.nonceStr,
                                    "package": `prepay_id=${arr.data.wxSign.prepay_id}`,
                                    "signType": arr.data.wxSign.signType,
                                    "paySign": arr.data.wxSign.paySign,
                                    "success": async function (res) {
                                        let params = { school_id: form.school_id, lesson_id: form._id, student_id: user.info.id, money: money, is_try: that.data.is_try, pay_id: arr.data.data._id, is_pay: '1' }
                                        let lessonStudent = await app.$post(`/lessonStudent`, params);
                                        if (lessonStudent.errcode == '0') {
                                            wx.showToast({ title: `报名申请完成`, icon: 'success', duration: 2000 });
                                            const pay = await app.$post(`/payOrder/${arr.data.data._id}`, { from_id: lessonStudent.data._id });
                                            if (pay.errcode == '0') that.watchLogin();
                                        }
                                        else wx.showToast({ title: `${lessonStudent.errmsg}`, icon: 'error', duration: 2000 })
                                    },
                                    "fail": async function (res) {
                                        const pay = await app.$delete(`/payOrder/${arr.data.data._id}`);
                                    },
                                })
                            }
                        },
                        fail: async (res) => {
                            wx.redirectTo({ url: '/pages/index/index' });
                        },
                    });
                } else if (res.cancel) { }
            }
        });
    },
    /**
     * 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 || null })
        // 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.$get(`/dict`, { code: 'lesson_status' });
        if (arr.errcode == '0' && arr.total > 0) that.setData({ statusList: arr.data[0].list });
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        let statusList = that.data.statusList;
        wx.getStorage({
            key: 'user',
            success: async res => {
                that.setData({ user: res.data })
                if (that.data.id) {
                    const arr = await app.$post(`/lessonStudent/toComputed`, { lesson_id: that.data.id, student_id: res.data.info.id });
                    if (arr.errcode == '0') {
                        let status = statusList.find(i => i.value == arr.data.status)
                        if (status) arr.data.zhStatus = status.label;
                        if (arr.data.school_id) {
                            const school = await app.$get(`/school/${arr.data.school_id}`)
                            if (school.errcode == '0') arr.data.zhSchool = school.data.name;
                            const lesson = await app.$post(`/tryLessonApply/checkCanUse`, { school_id: arr.data.school_id, lesson_id: that.data.id, student_id: res.data.info.id })
                            if (lesson.errcode == '0') arr.data.type_try = '0';
                            else wx.showToast({ title: `${lesson.errmsg}`, icon: 'none', duration: 2000 })
                            const lessonStudent = await app.$post(`/lessonStudent/checkCanUse`, { school_id: arr.data.school_id, student_id: res.data.info.id, lesson_id: that.data.id })
                            if (lessonStudent.errcode == '0') arr.data.sign = '0';
                            else arr.data.sign = '1';
                        }
                        const coach = await app.$get(`/lessonCoach`, { lesson_id: that.data.id })
                        if (coach.errcode == '0') that.setData({ coach: coach.data })
                        const student = await app.$get(`/lessonStudent`, { lesson_id: that.data.id, is_pay: '1' })
                        if (student.errcode == '0') that.setData({ student: student.data })
                        that.setData({ form: arr.data })
                    } else {
                        wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 })
                    }
                }
            },
            fail: async res => {
                wx.redirectTo({ url: '/pages/index/index' })
            }
        })
    },
    /**
     * 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 () {

    }
})