ball-applet/pagesSchool/coaAdmin/course/tpStudentadd.js

const app = getApp()
import WxValidate from '../../../utils/wxValidate'
import QRCode from '../../../utils/weapp-qrcode.js';
Page({

    /**
     * 页面的初始数据
     */
    data: {
        frameStyle: { useTop: true, name: '信息管理', leftArrow: true, useBar: false },
        user: {},
        lesson_id: '',
        lessonInfo: {},
        id: '',
        form: { file: [] },
        studentlist: [],
        payUrl: '',
        // dialog弹框
        dialog: { title: '二维码支付', show: false, type: '1' },
        payUrl: ''
    },
    initValidate() {
        const rules = { name: { required: true }, phone: { required: true }, file: { required: true } }
        // 验证字段的提示信息，若不传则调用默认的信息
        const messages = { name: { required: '学员姓名', }, phone: { required: '联系方式', }, file: { required: '图片', } };
        this.WxValidate = new WxValidate(rules, messages)
    },
    // 跳转菜单
    back(e) {
        wx.navigateBack({ delta: 1 })
    },
    // 选择学员
    stuChange(e) {
        const that = this;
        let data = that.data.studentlist[e.detail.value];
        if (data) that.setData({ 'form.student_id': data.student_id, 'form.name': data.student_id_name, 'form.phone': data.student_id_phone, })
    },
    // 上传照片
    imgUpl: function (e) {
        const that = this;
        let data = that.data.form.file;
        data.push(e.detail)
        that.setData({ 'form.file': data })
    },
    // 删除图片
    imgDel: function (e) {
        const that = this;
        let list = that.data.form.file;
        let arr = list.filter((i, index) => index != e.detail.index)
        that.setData({ 'form.file': arr })
    },
    // 提交登录
    onSubmit: async function (e) {
        const that = this;
        const params = e.detail.value;
        const form = that.data.form;
        params.file = form.file;
        if (!this.WxValidate.checkForm(params)) {
            const error = this.WxValidate.errorList[0];
            wx.showToast({ title: `${error.msg}`, icon: 'error', duration: 2000 })
            return false
        } else {
            let res = await app.$post(`/tempLessonApply`, params);
            if (res.errcode == '0') {
                let data = JSON.parse(res.data);
                that.createPayUrl(data.code_url);
                that.setData({ dialog: { title: '二维码支付', show: true, type: '1' } })
            } else {
                wx.showToast({ title: res.errmsg, icon: 'none' })
            }
        }
    },
    createPayUrl(e) {
        // 生成二维码
        const that = this;
        const url = `${e}`;
        var qrcode = new QRCode(`myQrcode`, {
            text: url,
            width: 110,
            height: 110,
            padding: 3,
            colorDark: "#000000",
            colorLight: "#ffffff",
            correctLevel: QRCode.CorrectLevel.L,
        });
    },
    // 关闭弹框
    toClose: function () {
        const that = this;
        that.setData({ dialog: { title: '二维码支付', show: false, type: '1' } })
    },
    // 付款成功
    paySuccess() {
        const that = this;
        that.setData({ form: {} })
        that.toClose();
        that.back();
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        const that = this;
        that.setData({ lesson_id: options.lesson_id || '63563bbd8018a39220eca774', id: options.id || '' });
        //验证规则函数
        that.initValidate();
        // 监听用户是否登录
        that.watchLogin();
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        wx.getStorage({
            key: 'user',
            success: async res => {
                that.setData({ user: res.data });
                await that.searchLesson();
                await that.search();
                await that.searchStu();
            },
            fail: res => {
                wx.redirectTo({ url: '/pages/index/index', })
            }
        })
    },
    async searchLesson() {
        const that = this;
        let lesson_id = that.data.lesson_id;
        let res = await app.$get(`/lesson/${lesson_id}`);
        if (res.errcode == '0') {
            that.setData({ lessonInfo: res.data });
        }
        else { wx.showToast({ title: res.errmsg, icon: 'none' }) }
    },
    async search() {
        const that = this;
        let lessonInfo = that.data.lessonInfo;
        let user = that.data.user;
        let id = that.data.id;
        let form = { school_id: lessonInfo.school_id, coach_id: user.info.id, lesson_id: lessonInfo.id, money: lessonInfo.money, file: [] };
        let res;
        if (id) {
            res = await app.$get(`/tempLessonApply/${id}`);
            if (res.errcode == '0') form = res.data
            else { wx.showToast({ title: res.errmsg, icon: 'none' }) }
        }
        that.setData({ form })
    },
    async searchStu() {
        const that = this;
        let lessonInfo = that.data.lessonInfo;
        let res = await app.$get(`/rss`, { school_id: lessonInfo.school_id });
        if (res.errcode == '0') {
            that.setData({ studentlist: res.data })
        } else { wx.showToast({ title: res.errmsg, icon: 'none' }) }
    },

    /**
     * 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 () {

    },

    /**
     * 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 () {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom: function () {

    },

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

    }
})