ball-applet/pages/coaAdmin/course/statusadd.js

const app = getApp()
import WxValidate from '../../../utils/wxValidate';
Page({
    data: {
        frameStyle: { useTop: true, name: '信息维护', leftArrow: true, useBar: false },
        form: { img_url: [] },
        // 课程信息
        lesson_id: '',
        // 学校信息
        schoolInfo: {},
        // 学生列表
        studentList: [],

    },
    initValidate() {
        const rules = { student_id: { required: true }, money: { required: true }, img_url: { required: true } }
        // 验证字段的提示信息，若不传则调用默认的信息
        const messages = { student_id: { required: '请选择学生' }, money: { required: '课程费用' }, img_url: { required: '证据图片' } };
        this.WxValidate = new WxValidate(rules, messages)
    },
    // 返回
    back: function () {
        wx.navigateBack({ delta: 1 })
    },
    // 选择学生
    stuChange: function (e) {
        const that = this;
        let data = that.data.studentList[e.detail.value];
        if (data) {
            that.setData({ 'form.student_id': data.student_id })
            that.setData({ 'form.student_id_name': data.student_id_name })
        }
    },
    imgUpl: function (e) {
        const that = this;
        let data = that.data.form.img_url;
        data.push(e.detail)
        that.setData({ 'form.img_url': data })
    },
    // 删除图片
    imgDel: function (e) {
        const that = this;
        let list = that.data.form.img_url;
        let arr = list.filter((i, index) => index != e.detail.index)
        that.setData({ 'form.img_url': arr })
    },
    //提交
    onSubmit: async function (e) {
        const that = this;
        const params = e.detail.value;
        const form = that.data.form;
        form.img_url = form.img_url;
        if (!this.WxValidate.checkForm(params)) {
            const error = this.WxValidate.errorList[0];
            wx.showToast({ title: `${error.msg}`, icon: 'error', duration: 2000 })
            return false
        } else {
            console.log(params);
            //  config: { type: Object, required: false, zh: '设置' }, // 打折方式 discount_type:fixed 固定;subtract 减; discount折 ;number
        }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: async function (options) {
        const that = this;
        that.setData({ lesson_id: options.id || '' })
        //验证规则函数
        that.initValidate();
        // 监听用户是否登录
        await that.watchLogin();
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        wx.getStorage({
            key: 'user',
            success: async res => {
                let data = res.data;
                let arr;
                // 学员与学校的关系
                arr = await app.$get(`/rss`);
                if (arr.errcode == '0') that.setData({ studentList: arr.data });
                // 教练与学校的关系
                arr = await app.$get(`/rcs`, { coach_id: data.info.id });
                if (arr.errcode == '0' && arr.total > 0) that.setData({ schoolInfo: arr.data[0] });
                let form = { school_id: that.data.schoolInfo.school_id, lesson_id: that.data.lesson_id, coach_id: data.info._id, img_url: [] };
                that.setData({ form })
            },
            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 () {

    },

    /**
     * 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 () {

    }
})