ball-applet/pages/coaAdmin/student/add.js

const app = getApp()
import WxValidate from '../../../utils/wxValidate';
Page({

    /**
     * 页面的初始数据
     */
    data: {
        frameStyle: { useTop: true, name: '学员信息维护', leftArrow: true, useBar: false },
        id: '',
        form: {},
        user: {},
        // 教练学校
        coachSchool: {},
        // 学校学员
        studentList: [],
        // 折扣设置
        discount_typeList: []
    },
    initValidate() {
        const rules = { student_id: { 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: '请选择学员' } };
        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) {
            console.log(data);
            that.setData({ 'form.student_id': data.student_id })
            that.setData({ 'form.student_id_name': data.student_id_name })
        }
    },
    // 选择折扣类型
    typeChange: function (e) {
        const that = this;
        let data = that.data.discount_typeList[e.detail.value];
        if (data) {
            that.setData({ 'form.config.discount_type': data.value });
            that.setData({ 'form.config.number': null })
        }
    },
    // 折扣判断
    moneyInput: function (e) {
        const that = this;
        const form = that.data.form;
        if (form.config && form.config.discount_type && form.config.discount_type == 'discount') {
            var regex = /^(10|\d)(\.\d{1,1})?$/;
            if (!regex.test(e.detail.value)) {
                wx.showToast({ title: `数据不允许`, icon: 'error', duration: 1000 });
                that.setData({ 'form.config.number': null })
            }
        }
    },
    onSubmit: async function (e) {
        const that = this;
        const params = e.detail.value;
        if (!this.WxValidate.checkForm(params)) {
            const error = this.WxValidate.errorList[0];
            wx.showToast({ title: `${error.msg}`, icon: 'error', duration: 2000 })
            return false
        } else {
            params.config = { discount_type: params['config.discount_type'], number: params['config.number'] }
            let arr;
            if (that.data.id) arr = await app.$post(`/rsc/${that.data.id}`, params);
            else arr = await app.$post(`/rsc`, params);
            if (arr.errcode == '0') {
                wx.showToast({ title: `信息维护成功`, icon: 'success', duration: 2000 });
                that.back()
            } else { wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 }) }
        }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: async function (options) {
        const that = this;
        that.setData({ id: options.id || '' });
        //验证规则函数
        that.initValidate();
        // 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;
        // 折扣设置
        arr = await app.$get(`/dict`, { code: 'rsc_type' });
        if (arr.errcode == '0' && arr.total > 0) { that.setData({ discount_typeList: arr.data[0].list }) }
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        wx.getStorage({
            key: 'user',
            success: async res => {
                that.setData({ user: res.data });
                // 查询教练学校
                let arr;
                arr = await app.$get(`/rcs`, { coach_id: res.data.info.id });
                if (arr.errcode == '0' && arr.total > 0) that.setData({ coachSchool: arr.data[0] });
                // 查询学校学员
                arr = await app.$get(`/rss`, { school_id: that.data.coachSchool.school_id });
                if (arr.errcode == '0') that.setData({ studentList: arr.data });
                let form = { school_id: that.data.coachSchool.school_id, coach_id: that.data.user.info.id }
                if (that.data.id) {
                    arr = await app.$get(`/rsc/${that.data.id}`);
                    if (arr.errcode == '0') {
                        let student = that.data.studentList.find(i => i.student_id == arr.data.student_id);
                        if (student) arr.data.student_id_name = student.student_id_name;
                        form = arr.data;
                    }
                }
                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 () {

    }
})