• .net+EF+mvc通过EasyUI的DataGrid实现增删改查


    @{
        Layout = null;
    }

    <!DOCTYPE html>

    <html>
    <head>
        <meta name="viewport" content="width=device-width" />
        <title>Index</title>
        <link rel="stylesheet" type="text/css" href="~/Scripts/themes/default/easyui.css">
        <link rel="stylesheet" type="text/css" href="~/Scripts/themes/icon.css">
        @*<link rel="stylesheet" type="text/css" href="~/Scripts/demo.css">*@
        <script src="~/Scripts/jquery-1.10.2.js"></script>
        <script src="~/Scripts/jquery.easyui.min.js"></script>
        <script src="~/Scripts/locale/easyui-lang-zh_CN.js"></script>
        <script type="text/javascript">
            $(function () {

                $('#dg').datagrid({
                    url: '/Main/FenYe1',
                    loadMsg: '请稍等,正在拼命加载...',
                    fitColumns: false,//防止水平滚动
                    rownumbers: true, //是否加行号
                    pagination: true, //是否显式分页
                    pageSize: 5, //页容量,必须和pageList对应起来,否则会报错
                    pageNumber: 1, //默认显示第几页
                    pageList: [5, 10, 15],//分页中下拉选项的数值
                    checkOnSelect: true,
                    selectOnCheck: true,

                    //固定列
                    frozenColumns: [[
                        {
                            field: 'id', title: '请选择..', 58, align: 'center',
                            checkbox: true
                        },
                        { field: 'name', title: '名称', 100 },
                    ]],
                    //非固定列
                    columns: [[ 
                        { field: 'sex', title: '性别', 100 },
                        { field: 'age', title: '年龄', 100 },
                        { field: 'dataTime', title: '记录时间', 150, align: 'center' },
                        { field: 'content', title: '个人介绍', 250, align: 'left' },

                    ]],
                    //导航栏('-')表示'|'分隔符
                    toolbar: [
                   { text: '增加', iconCls: 'icon-add', handler: function () { addStu(); } }, '-',
                   { text: '修改', iconCls: 'icon-edit', handler: function () { edittbUser(); } }, '-',
                   { text: '删除', iconCls: 'icon-remove', handler: function () { deleteUser(); } }, '-',
                   { text: '查看', handler: function () { } }, '-',
                   { text: '刷新', iconCls: 'icon-reload', handler: function () { deviceInfoRefreshClick(); } }, '-',
                   { text: '导出', iconCls: 'icon-save', handler: function () { $(dg).treegrid('reload'); } }, '-'],
                });
            });

            //添加
            function addStu() {
                $("#j_addStu").dialog({
                    title: "新添学生1",
                    500,
                    height: 450,
                    href: '/Main/Add_View',
                    buttons: [{
                        text: '新增',
                        handler: function () {
                            add();
                        }
                    },{
                        text:'关闭',
                        handler: function () {
                            $('#j_addStu').dialog('close');
                        }
                    }],

                });
     
            }

            function add() {

                //是一个验证表单的功能。当validate()这个函数返回值是true的时候,表单提交,反之则不提交。

                $("#addForm").form('submit', {
                    url: '/Main/AddStu',
                    onSubmit: function () {

                        return $(this).form('validate');
                    },

                    success: function (data) {

                        if (data == 'ok') {
                            $.messager.show({
                                title: 'success',
                                msg: '插入成功!'
                            });
                            // $(dialogId).dialog('close');
                            $('#dg').datagrid('reload');
                        } else {
                            $.messager.show({
                                title: 'Error',
                                msg: '插入失败!'
                            });
                        }

                        //$(dialogId).dialog('close');
                        $('#dg').datagrid('reload');
                    }
                });
            }

            //  删除代码部分
            function deleteUser() {
                var row = $('#dg').datagrid('getChecked');
                if (row) {
                    //id字符串
                    var idsStr = "";
                    var arr = new Array();
                    for (var i = 0; i < row.length; i++) {
                        //必须设置它为局部变量,否则会出现多条重复数据
                        var map = {};
                        map["id"] = row[i].id;
                        arr[i] = map;
                    }
                    for (var i = 0; i < arr.length; i++) {
                        idsStr += arr[i].id + ",";
                    }
                    if (idsStr.length > 0) {
                        idsStr = idsStr.substr(0, idsStr.length - 1);
                    }
                    $.messager.confirm('删除提示', '确定要删除吗', function (r) {
                        if (r) {
                            $.post('/Main/DelStu', { "idsStr": idsStr }, function (data, status) {

                                if (data == "ok") {
                                    $.messager.show({
                                        title: 'success',
                                        msg: '删除成功!'
                                    });
                                    $('#dg').datagrid('reload');


                                } else {
                                    $.messager.show({
                                        title: 'Error',
                                        msg: '删除用户失败!'
                                    });
                                }
                            });
                        }
                    });
                }
                else {
                    //$.messager.show({
                    //    title: 'Error',
                    //    msg: '你没有选中行!'
                    //});
                    $.messager.alert("提示", "您没有选中任何行!");
                }
            }

            //编辑
            function edittbUser() {
                $("#edittbStuDialog").dialog({
                    title: "修改信息1",
                    500,
                    height: 450,
                    //href: '/Main/Update_View',
                    buttons: [{
                        text: '修改',
                        handler: function () {
                            edit();
                        }
                    }, {
                        text: '关闭',
                        handler: function () {
                            $('#edittbStuDialog').dialog('close');
                        }
                    }],


                });
                //getSelected返回第一个被选中的行或如果没有选中的行则返回null。
                var row = $('#dg').datagrid('getSelected');
                if (row) {

                    $("#editForm").form('load', {
                        name:row.name,
                        sex:row.sex,
                        age:row.age,
                        content:row.content
                    });
                    url = '/Main/UpdateStu?id=' + row.id;
                }
                else {
                    $('#edittbStuDialog').dialog('close');
                    $.messager.alert("提示", "您没有选中任何行!");
                }
            }

            function edit() {

                $("#editForm").form('submit', {
                    url:url,
                    onSubmit: function () {
                        // alert(formId);
                        return $(this).form('validate');

                    },

                    success: function (data) {

                        if (data == 'ok') {
                            $.messager.show({
                                title: 'success',
                                msg: '修改成功!'
                            });
                            $("#edittbStuDialog").dialog('close');
                            $('#dg').datagrid('reload');
                        } else {
                            $.messager.show({
                                title: 'Error',
                                msg: '修改失败!'
                            });
                        }
                        //$(dialogId).dialog('close');
                        $('#ReceiveList').datagrid('reload');
                    }
                });
            }

        </script>
    </head>
    <body>
        <table id="dg" style="700px;height:800px;"></table>

        @*data-options="required:true"自动验证:此输入项为必填项*@
        @*增加class="easyui-dialog"自定义弹出框*@
        <div id="j_addStu" style="padding:10px 20px"></div>

        @*修改*@
        <div id="edittbStuDialog" style="padding:10px 20px; display:none">

            <form id="editForm" method="post">
                <table class="align-center">
                    <tr>
                        <td>学生名</td>
                        <td><input name="name" class="easyui-validatebox" type="text" /></td>
                    </tr>
                    <tr>
                        <td>性别</td>
                        <td><input name="sex" class="easyui-validatebox" type="text" /></td>
                    </tr>
                    <tr>
                        <td>年龄</td>
                        <td><input name="age" class="easyui-validatebox" type="text" /></td>
                    </tr>
                    <tr>
                        <td>个人介绍</td>
                        <td><textarea rows="5" class="easyui-validatebox" cols="19" name="content"></textarea></td>
                    </tr>

                </table>

            </form>
        </div>

    </body>
    </html>

    MainController

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.Mvc;
    using System.Data.Entity;
    using System.Data.Entity.Migrations;

    namespace DataGrid_01.Controllers
    {
        public class MainController : Controller
        {
            DbContext db = new TestEntities();
            //DbContextFactory dbcontext = new DbContextFactory();
            //TestEntities db = dbcontext.GetDbContext();

            #region 01-主页面
            /// <summary>
            /// 01-主页面
            /// </summary>
            /// <returns></returns>
            public ActionResult Index()
            {
                return View();
            }
            #endregion

            #region 02-进行分页操作
            /// <summary>
            /// 02-分页
            /// </summary>
            /// <param name="rows">每页显示的记录数</param>
            /// <param name="page">页码,显示第几页</param>
            /// <returns></returns>
            public ActionResult FenYe1(int rows, int page)
            {
                try
                {
                    var Stu_List = db.Set<student>().OrderByDescending(a => a.dataTime).Skip(rows * (page - 1)).Take(rows).ToList();
                    var json = new
                    {
                        total = db.Set<student>().Count(),
                        rows = (from r in Stu_List
                                select new
                                {
                                    id = r.id,
                                    name = r.name,
                                    sex = r.sex,
                                    age = r.age,
                                    dataTime = r.dataTime.ToString(),
                                    content = r.content,

                                }).ToList(),

                    };

                    return Json(json);
                }
                catch (Exception ex)
                {
                    FileOperateHelp.WriteFile("E:/ErrorLog333.txt", ex.Message);
                    return Content("error");
                }
            }
            #endregion

            #region 03-增加操作
            /// <summary>
            /// 03-增加操作
            /// </summary>
            /// <param name="name">学生姓名</param>
            /// <param name="sex">性别</param>
            /// <param name="age">年龄</param>
            /// <param name="content">个人介绍</param>
            /// <returns></returns>
            public ActionResult AddStu(string name, string sex, string age, string content)
            {
                try
                {
                    student stu = new student()
                    {
                        id = Guid.NewGuid().ToString("N"),
                        name = name,
                        sex = sex,
                        age = age,
                        content = content,
                        dataTime = DateTime.Now,

                    };
                    db.Entry(stu).State = EntityState.Added;
                    int count = db.SaveChanges();
                    if (count > 0)
                    {
                        return Content("ok");
                    }
                    else
                    {
                        return Content("error");
                    }
                }
                catch (Exception ex)
                {
                    FileOperateHelp.WriteFile("E:/ErrorLog333.txt", ex.Message);
                    return Content("error");
                }

            }
            #endregion

            #region 04-删除
            /// <summary>
            /// 04-删除
            /// </summary>
            /// <param name="id">id</param>
            /// <returns></returns>
            public ActionResult DelStu(string idsStr)
            {
                try
                {
                    string[] str = idsStr.Split(new char[] { ',' });

                    //int[] str_int = Array.ConvertAll(str, int.Parse);

                    foreach (var item in str)
                    {
                        var del = db.Set<student>().Where(a => a.id == item).FirstOrDefault();
                        db.Entry<student>(del).State = EntityState.Deleted;
                    }
                    int count = db.SaveChanges();
                    if (count > 0)
                    {
                        return Content("ok");
                    }
                    else
                    {
                        return Content("error");
                    }

                }
                catch (Exception ex)
                {
                    FileOperateHelp.WriteFile("E:/ErrorLog333.txt", ex.Message);
                    return Content("error");
                }
            }
            #endregion

            #region 05-修改
            /// <summary>
            /// 05-修改
            /// </summary>
            /// <param name="id">id</param>
            /// <param name="name">学生名</param>
            /// <param name="sex">性别</param>
            /// <param name="age">年龄</param>
            /// <param name="content">个人介绍</param>
            /// <returns></returns>
            public ActionResult UpdateStu(string id, string name, string sex, string age, string content)
            {
                try
                {
                    var stuList = db.Set<student>().Where(a => a.id == id).FirstOrDefault();
                    stuList.name = name;
                    stuList.sex = sex;
                    stuList.age = age;
                    stuList.dataTime = DateTime.Now;
                    stuList.content = content;
                    db.Entry(stuList).State = EntityState.Modified;
                    int count = db.SaveChanges();
                    if (count > 0)
                    {
                        return Content("ok");
                    }
                    else
                    {
                        return Content("error");
                    }
                }
                catch (Exception ex)
                {
                    FileOperateHelp.WriteFile("E:/ErrorLog333.txt", ex.Message);
                    return Content("error");
                }
            }
            #endregion

            #region 06-修改页面
            /// <summary>
            /// 06-修改页面
            /// </summary>
            /// <returns></returns>
            public ActionResult Update_View()
            {
                return View();
            }
            #endregion

            //增加页面
            public ActionResult Add_View() {
                return View();
            }
        }
    }

    作者:chenze
    出处:https://www.cnblogs.com/chenze-Index/
    本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。
    如果文中有什么错误,欢迎指出。以免更多的人被误导。
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  • 原文地址:https://www.cnblogs.com/chenze-Index/p/9209866.html
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