ball-applet/pages/sstudent/add.js

const app = getApp()
import WxValidate from '../../utils/wxValidate';
Page({
    data: {
        frameStyle: { useTop: true, name: '学员信息管理', leftArrow: true, useBar: false },
        form: { icon: [] },
        // 性别
        genderList: [],
        //运动等级
        levelList: [],
        id: '',
        //用户id
        user_id: ''
    },
    initValidate() {
        const rules = { icon: { required: true }, name: { required: true }, age: { required: true }, gender: { required: true }, phone: { required: true, tel: true } }
        // 验证字段的提示信息，若不传则调用默认的信息
        const messages = { icon: { required: '请选择头像' }, name: { required: '请输入学员姓名' }, age: { required: '请输入年龄' }, gender: { required: '请选择性别' }, phone: { required: '请输入联系电话' } };
        this.WxValidate = new WxValidate(rules, messages)
    },
    // 返回
    back: function () {
        wx.navigateBack({ delta: 1 })
    },
    //上传图片
    imgUpl: function (e) {
        const that = this;
        let data = that.data.form.icon;
        data.push(e.detail)
        that.setData({ 'form.icon': data })
    },
    // 删除图片
    imgDel: function (e) {
        const that = this;
        let list = that.data.form.icon;
        let arr = list.filter((i, index) => index != e.detail.index)
        that.setData({ 'form.icon': arr })
    },
    // 选择性别
    genderChange: function (e) {
        const that = this;
        let data = that.data.genderList[e.detail.value];
        if (data) that.setData({ 'form.gender': data.value });
    },
    // 选择等级
    levelChange: function (e) {
        const that = this;
        let data = that.data.levelList[e.detail.value];
        if (data) that.setData({ 'form.level': data.value });
    },
    //提交
    onSubmit: async function (e) {
        const that = this;
        const form = that.data.form;
        const params = e.detail.value;
        params.icon = form.icon;
        params.user_id = that.data.user_id;
        if (!this.WxValidate.checkForm(params)) {
            const error = this.WxValidate.errorList[0];
            wx.showToast({ title: `${error.msg}`, icon: 'error', duration: 2000 })
            return false
        } else {
            let arr;
            if (form._id) arr = await app.$post(`/student/${form._id}`, params);
            else arr = await app.$post(`/student`, params)
            if (arr.errcode == '0') { wx.showToast({ title: `维护信息完成`, icon: 'success', duration: 2000 }); that.back(); }
            else wx.showToast({ title: `${errmsg}`, icon: 'error', duration: 2000 })
        }
    },
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        const that = this;
        that.setData({ id: options.id || '' })
        //验证规则函数
        that.initValidate();
        // 监听用户是否登录
        that.watchLogin();
    },
    // 监听用户是否登录
    watchLogin: async function () {
        const that = this;
        wx.getStorage({
            key: 'user',
            success: async res => {
                that.setData({ user_id: res.data._id });
                let gender = await app.$get(`/dict`, { code: "gender" });
                if (gender.errcode == '0') that.setData({ genderList: gender.data[0].list });
                let student = await app.$get(`/dict`, { code: "student_grade" });
                if (student.errcode == '0') that.setData({ levelList: student.data[0].list });
                if (that.data.id) {
                    const arr = await app.$get(`/student/${that.data.id}`);
                    if (arr.errcode == '0') {
                        that.setData({ form: arr.data });
                    }
                }
            },
            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 () {

    }
})