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 arr;
                    let params = { school_id: form.school_id, lesson_id: form._id, student_id: user.info.id, }
                    const lesson = await app.$get(`/tryLessonApply`, { school_id: form.school_id, lesson_id: that.data.id, student_id: user.info.id })
                    if (lesson.errcode == '0' && lesson.total > 0) arr = await app.$post(`/tryLessonApply/${lesson.data[0]._id}`, params);
                    else arr = await app.$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: `${arr.errmsg}`, icon: 'error', duration: 2000 })
                } else if (res.cancel) { }
            }
        });
    },
    //提交
    onSubmit: async function (e) {
        const that = this;
        const form = that.data.form;
        const user = that.data.user;
        wx.showModal({
            title: '提示',
            content: '您是否确定报名？',
            async success(res) {
                if (res.confirm) {
                    let arr;
                    let params = { school_id: form.school_id, lesson_id: form._id, student_id: user.info.id, money: form.money || 0, is_try: that.data.is_try, try_status: '0' }
                    const student = await app.$get(`/lessonStudent`, { school_id: form.school_id, lesson_id: that.data.id, student_id: user.info.id })
                    if (student.errcode == '0' && student.total > 0) arr = await app.$post(`/lessonStudent/${student.data[0]._id}`, params);
                    else arr = await app.$post(`/lessonStudent`, params);
                    if (arr.errcode == '0') { wx.showToast({ title: `报名申请完成`, icon: 'success', duration: 2000 }); that.watchLogin(); }
                    else wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 })
                } 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.$get(`/dict`, { code: 'lesson_status' });
        if (arr.errcode == '0' && arr.total > 0) that.setData({ statusList: arr.data[0].list });
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        let statusList = that.data.statusList;
        wx.getStorage({
            key: 'user',
            success: async res => {
                that.setData({ user: res.data })
                if (that.data.id) {
                    const arr = await app.$get(`/lesson/${that.data.id}`);
                    if (arr.errcode == '0') {
                        let status = statusList.find(i => i.value == arr.data.status)
                        if (status) arr.data.zhStatus = status.label;
                        if (arr.data.school_id) {
                            const school = await app.$get(`/school/${arr.data.school_id}`)
                            if (school.errcode == '0') arr.data.zhSchool = school.data.name;
                        }
                        const coach = await app.$get(`/lessonCoach`, { lesson_id: that.data.id })
                        if (coach.errcode == '0') that.setData({ coach: coach.data })
                        const student = await app.$get(`/lessonStudent`, { lesson_id: that.data.id })
                        if (student.errcode == '0') that.setData({ student: student.data })
                        that.setData({ form: arr.data })
                    } else {
                        wx.showToast({ title: `${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 () {

    }
})