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MVC + jQuery.Ajax implementiert asynchron das Hinzufügen, Löschen, Ändern, Abfragen und Paging_jquery

WBOYOriginal: 2016-05-16 09:00:252836Durchsuche

Das Beispiel in diesem Artikel teilt Ihnen den spezifischen Code der asynchronen MVC+jQuery.Ajax-Implementierung zum Hinzufügen, Löschen, Ändern und Paging als Referenz mit. Der spezifische Inhalt ist wie folgt

1. Modellebenencode

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;
using MvcExamples;
using System.Web.Mvc;

namespace MvcExamples.Web.Models
{
 public class StudentModels
 {
  /// <summary>
  /// 获取学生信息列表
  /// </summary>
  public List<MvcExamples.Model.Student> StudentList { get; set; }
  /// <summary>
  /// 获取教工信息列表
  /// </summary>
  public List<MvcExamples.Model.Teacher> TeacherList { get; set; }
  /// <summary>
  /// 获取学生信息列表(分页)
  /// </summary>
  public PagedList<MvcExamples.Model.Student> GetStudentList { get; set; }
 }
}

2. Ebenencode anzeigen

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<MvcExamples.Web.Models.StudentModels>" %>

<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
 Index
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="HeadContent" runat="server">

 <script src="http://www.cnblogs.com/Scripts/jquery-1.4.2.min.js" type="text/javascript"></script>
 <script src="http://www.cnblogs.com/Scripts/My97DatePicker/WdatePicker.js" type="text/javascript"></script>
 <script src="http://www.cnblogs.com/Scripts/windwUi/jquery-ui-1.8.1.min.js" type="text/javascript"></script>
 <link href="http://www.cnblogs.com/Scripts/windwUi/jquery-ui-1.8.1.custom.css" rel="stylesheet" type="text/css" />
 <script type="text/javascript">
 $(function(){
 
  //添加学生信息
  $('#a_add').click(function(){
   $('#window').dialog({ 
     title: "添加学生信息",
     width: 300,
     height: 200,
     modal: true,
     buttons: { 
      "取消": function() {
       $(this).dialog("close"); //当点击取消按钮时，关闭窗口
      }, 
      "添加": function() { 
       //当点击添加按钮时，获取各参数的值
       var sno=$('#sno').val();
       var sname=$('#sname').val();
       var ssex=$('#ssex').val();
       var sbirsthday=$('#sbirthday').val();
       var sclass=$('#sclass').val();
       $.ajax({
       type:'post',
       url:'/Student/AddStudent',//路径为添加方法
       data:'no='+sno+'&name='+sname+'&sex='+ssex+'&birsthday='+sbirsthday+'&sclass='+sclass,//参数的个数和名字要和方法的名字保持一致
       success:function(json)//返回的是Json类型的
        {
         $('#window').dialog("close"); 
         //判断是否成功
         if(json.result=="true")
         {
          $('#btn_close').click();
          alert('恭喜你，修改成功！'); 
         }else{
          alert('抱歉，修改失败！');
         }
        }
       });
      }
      } 
    });
  })
  
  //删除学生信息
  $('.a_delete').click(function(){
   //确认是否删除
   if(confirm("是否删除此条信息？"))
   {
    $.ajax({
     type:'post',
     url:'/Student/DeleteStudent',
     data:'no='+$(this).attr("sno"),//获取当前对象的属性(自定义属性)sno的值，用自定义属性保存相应需要的数据
     sucess:function(json)
      {
       if(json.result=="true")
       {
        alert("恭喜你，已成功删除！");
       }else
       {
        alert("抱歉，删除失败！");
       }
      }
    })
   }
  })
 
  //修改学生信息
  $('.a_update').click(function(){
   var student=$(this);
   $("#sno").attr("value",student.attr("sno"));
   $("#sname").attr("value",student.attr("sname"));
   $("#ssex").attr("value",student.attr("ssex"));
   $("#sbirthday").attr("value",student.attr("sbirthday"));
   $("#sclass").attr("value",student.attr("sclass"));
   
   $('#window').dialog({ 
    title: "修改学生信息",
    width: 300,
    height: 200,
    modal: true,
    buttons: { 
     "取消": function() {
      $(this).dialog("close"); 
     }, 
     "修改": function() { 
      var sno=$('#sno').val();
      var sname=$('#sname').val();
      var ssex=$('#ssex').val();
      var sbirsthday=$('#sbirthday').val();
      var sclass=$('#sclass').val();
      $.ajax({
      type:'post',
      url:'/Student/UpdateStudent',
      data:'no='+sno+'&name='+sname+'&sex='+ssex+'&birsthday='+sbirsthday+'&sclass='+sclass,
      success:function(json)
       {
        $('#window').dialog("close"); 
        if(json.result=="true")
        {
         $('#btn_close').click();
         alert('恭喜你，修改成功！'); 
        }else{
         alert('抱歉，修改失败！');
        }
       }
      });
     }
     } 
    });  
  });
  
 })
 </script>

</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
 <h2>
  MVC 演示</h2>
 <table>
  <thead>
   <tr>
    <td>
     学生表
    </td>
   </tr>
   <tr>
    <td>
     学号
    </td>
    <td>
     姓名
    </td>
    <td>
     性别
    </td>
    <td>
     生日
    </td>
    <td>
     班级
    </td>
    <td>
     操作
    </td>
   </tr>
  </thead>
  <tbody>
   <%foreach (MvcExamples.Model.Student student in Model.GetStudentList)
    {%>
   <tr>
    <td>
     <%=student.sno %>
    </td>
    <td>
     <%=student.sname %>
    </td>
    <td>
     <%=student.ssex %>
    </td>
    <td>
     <%=student.sbirthday %>
    </td>
    <td>
     <%=student.sclass %>
    </td>
    <td>
    <a href="javascript:void(0);" class="a_update" sno="<%=student.sno %>" sname="<%=student.sname %>" ssex="<%=student.ssex %>"
      sbirthday="<%=student.sbirthday %>" sclass="<%=student.sclass %>">修改</a>
      &nbsp
     <a href="javascript:void(0);" class="a_delete" sno="<%=student.sno %>">删除</a>
    </td>
   </tr>
   <% } %>
  </tbody>
  <tfoot>
   <tr>
    <td>
     全选
    </td>
    <td colspan="5" style="text-align: right;">
     <a href="javascript:void(0);" id="a_add">添加</a>
    </td>
   </tr>
  </tfoot>
 </table>
 <%=Html.MikePager(Model.GetStudentList)%>
 <br />
 <table>
  <thead>
   <tr>
    <td>
     学生表
    </td>
   </tr>
   <tr>
    <td>
     学号
    </td>
    <td>
     姓名
    </td>
    <td>
     性别
    </td>
    <td>
     生日
    </td>
    <td>
     班级
    </td>
   </tr>
  </thead>
  <tbody>
   <%foreach (MvcExamples.Model.Student student in Model.StudentList)
    {%>
   <tr>
    <td>
     <%=student.sno %>
    </td>
    <td>
     <%=student.sname %>
    </td>
    <td>
     <%=student.ssex %>
    </td>
    <td>
     <%=student.sbirthday %>
    </td>
    <td>
     <%=student.sclass %>
    </td>
   </tr>
   <% } %>
  </tbody>
 </table>
 <br />
 <table>
  <thead>
   <tr>
    <td>
     老师表
    </td>
   </tr>
   <tr>
    <td>
     编号
    </td>
    <td>
     姓名
    </td>
    <td>
     性别
    </td>
    <td>
     生日
    </td>
    <td>
     职称
    </td>
    <td>
     所在部门
    </td>
   </tr>
  </thead>
  <tbody>
   <%foreach (MvcExamples.Model.Teacher teacher in Model.TeacherList)
    {%>
   <tr>
    <td>
     <%=teacher.tno%>
    </td>
    <td>
     <%=teacher.tname%>
    </td>
    <td>
     <%=teacher.tsex%>
    </td>
    <td>
     <%=teacher.tbirthday%>
    </td>
    <td>
     <%=teacher.prof%>
    </td>
    <td>
     <%=teacher.depart%>
    </td>
   </tr>
   <% } %>
  </tbody>
 </table>
 
 <div id="window" style="display:none;">
 <input type="hidden" id="sno" name="sno" value="" />
 姓名：<input type="text" id="sname" name="sname" /><br />
 性别：<input type="text" id="ssex" name="ssex" /><br />
 生日：<input type="text" id="sbirthday" name="sbirthday" onClick = "WdatePicker()" /><br />
 班级：<input type="text" id="sclass" name="sclass" /><br />
 </div>
</asp:Content>

3. Controller-Layer-Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Ajax;

namespace MvcExamples.Web.Controllers
{
 public class StudentController : Controller
 {
  //
  // GET: /Student/

  MvcExamples.BLL.Student _Student = new MvcExamples.BLL.Student();
  MvcExamples.BLL.Teacher _Teacher = new MvcExamples.BLL.Teacher();
  /// <summary>
  /// 演示
  /// </summary>
  /// <param name="pi"></param>
  /// <param name="sclass"></param>
  /// <returns></returns>
  public ActionResult Index(int&#63; pi, string sclass)
  {
   int PageIndex = pi &#63;&#63; 1;
   int PageSize = 5;
   string sClass = sclass == null &#63; "95031" : sclass;
   MvcExamples.Web.Models.StudentModels _StudentModels = new MvcExamples.Web.Models.StudentModels();
   _StudentModels.StudentList = _Student.GetModelList("sclass=" + sClass);
   _StudentModels.TeacherList = _Teacher.GetModelList("tsex='男'");
   _StudentModels.GetStudentList = new PagedList<MvcExamples.Model.Student>(_Student.GetModelList("sclass=" + sClass).AsQueryable(), PageIndex, PageSize);
   return View(_StudentModels);//返回一个Model
  }
  /// <summary>
  /// 修改学生信息
  /// </summary>
  /// <param name="no"></param>
  /// <param name="name"></param>
  /// <param name="sex"></param>
  /// <param name="birsthday"></param>
  /// <param name="sclass"></param>
  /// <returns></returns>
  public ActionResult UpdateStudent(string no, string name, string sex, string birsthday, string sclass)
  {
   MvcExamples.Model.Student _student = new MvcExamples.Model.Student();
   _student.sno = no;
   _student.sname = name;
   _student.ssex = sex;
   _student.sbirthday = Convert.ToDateTime(birsthday);
   _student.sclass = sclass;

   _Student.Update(_student);   

   JsonResult json = new JsonResult();
   json.Data = new
   {
    result = "true"
   };
   return json;
  }
  /// <summary>
  /// 删除学生信息
  /// </summary>
  /// <param name="no"></param>
  /// <returns></returns>
  public ActionResult DeleteStudent(string no)
  {
   bool IsDelete= _Student.Delete(no);
   JsonResult json = new JsonResult();
   return json;
   if (IsDelete)
   {
    json.Data = new
    {
     result = "true"
    };
   }
   else
   {
    json.Data = new
    {
     result ="false"
    };
   }
   return json;
  }
  /// <summary>
  /// 添加学生信息
  /// </summary>
  /// <param name="no"></param>
  /// <param name="name"></param>
  /// <param name="sex"></param>
  /// <param name="birsthday"></param>
  /// <param name="sclass"></param>
  /// <returns></returns>
  public ActionResult AddStudent(string no, string name, string sex, string birsthday, string sclass)
  {
   MvcExamples.Model.Student _student = new MvcExamples.Model.Student();
   _student.sno = no;
   _student.sname = name;
   _student.ssex = sex;
   _student.sbirthday = Convert.ToDateTime(birsthday);
   _student.sclass = sclass;

   _Student.Add(_student);

   JsonResult json = new JsonResult();
   json.Data = new
   {
    result = "true"
   };
   return json;
  }

  /// <summary>
  /// 提供弹出窗口的数据
  /// </summary>
  /// <param name="id"></param>
  /// <returns></returns>
  public ActionResult WindowData(int id)
  {
   JsonResult json = new JsonResult();
   //这里给json数据(这里只是演示，下面数据是模拟的)
   json.Data = new
   {
    name = "张三",
    sex = "男"
   };
   return json;
  }

 }
}

4. Zwei Paging-Hilfsklassen PagedList und MikePagerHtmlExtensions

PagedList-Hilfsklasse

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;
using System.Collections.Specialized;

namespace System.Web.Mvc
{
 public interface IPagedList
 {
  int TotalPage //总页数
  {
   get;
  }

  int TotalCount
  {
   get;
   set;
  }

  int PageIndex
  {
   get;
   set;
  }

  int PageSize
  {
   get;
   set;
  }

  bool IsPreviousPage
  {
   get;
  }

  bool IsNextPage
  {
   get;
  }
 }

 public class PagedList<T> : List<T>, IPagedList
 {
  public PagedList(IQueryable<T> source, int&#63; index, int&#63; pageSize)
  {
   if (index == null) { index = 1; }
   if (pageSize == null) { pageSize = 10; }
   this.TotalCount = source.Count();
   this.PageSize = pageSize.Value;
   this.PageIndex = index.Value;
   this.AddRange(source.Skip((index.Value - 1) * pageSize.Value).Take(pageSize.Value));
  }

  public int TotalPage
  {
   get { return (int)System.Math.Ceiling((double)TotalCount / PageSize); }
  }

  public int TotalCount
  {
   get;
   set;
  }
  /// <summary>
/// 
/// </summary>
  public int PageIndex
  {
   get;
   set;
  }

  public int PageSize
  {
   get;
   set;
  }

  public bool IsPreviousPage
  {
   get
   {
    return (PageIndex > 1);
   }
  }

  public bool IsNextPage
  {
   get
   {
    return ((PageIndex) * PageSize) < TotalCount;
   }
  }

 }

 public static class Pagination
 {
  public static PagedList<T> ToPagedList<T>(this IOrderedQueryable<T> source, int&#63; index, int&#63; pageSize)
  {
   return new PagedList<T>(source, index, pageSize);
  }

  public static PagedList<T> ToPagedList<T>(this IOrderedQueryable<T> source, int&#63; index)
  {
   return new PagedList<T>(source, index, 10);
  }

  public static PagedList<T> ToPagedList<T>(this IQueryable<T> source, int&#63; index, int&#63; pageSize)
  {
   return new PagedList<T>(source, index, pageSize);
  }

  public static PagedList<T> ToPagedList<T>(this IQueryable<T> source, int&#63; index)
  {
   return new PagedList<T>(source, index, 10);
  }
 }
}

MikePagerHtmlExtensions-Hilfsklasse

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Web.Mvc;
using System.Web.Routing;
using System.Text;

namespace System.Web.Mvc
{
 public static class MikePagerHtmlExtensions
 {
  
  #region MikePager 分页控件

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data)
  {
   string actioinName = html.ViewContext.RouteData.GetRequiredString("action");
   return MikePager<T>(html, data, actioinName);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, object values)
  {
   string actioinName = html.ViewContext.RouteData.GetRequiredString("action");
   return MikePager<T>(html, data, actioinName, values);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, string action)
  {
   return MikePager<T>(html, data, action, null);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, string action, object values)
  {
   string controllerName = html.ViewContext.RouteData.GetRequiredString("controller");
   return MikePager<T>(html, data, action, controllerName, values);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, string action, string controller, object values)
  {
   return MikePager<T>(html, data, action, controller, new RouteValueDictionary(values));
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, RouteValueDictionary values)
  {
   string actioinName = html.ViewContext.RouteData.GetRequiredString("action");
   return MikePager<T>(html, data, actioinName, values);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, string action, RouteValueDictionary values)
  {
   string controllerName = html.ViewContext.RouteData.GetRequiredString("controller");
   return MikePager<T>(html, data, action, controllerName, values);
  }

  public static string MikePager<T>(this HtmlHelper html, PagedList<T> data, string action, string controller, RouteValueDictionary valuedic)
  {
   int start = (data.PageIndex - 5) >= 1 &#63; (data.PageIndex - 5) : 1;
   int end = (data.TotalPage - start) > 9 &#63; start + 9 : data.TotalPage;

   RouteValueDictionary vs = valuedic == null &#63; new RouteValueDictionary() : valuedic;

   var builder = new StringBuilder();
   builder.AppendFormat("<div class=\"mike_mvc_pager\">");

   if (data.IsPreviousPage)
   {
    vs["pi"] = 1;
    builder.Append(Html.LinkExtensions.ActionLink(html, "首页", action, controller, vs, null));
    builder.Append(" ");
    vs["pi"] = data.PageIndex - 1;
    builder.Append(Html.LinkExtensions.ActionLink(html, "上一页", action, controller, vs, null));
    builder.Append(" ");

   }

   for (int i = start; i <= end; i++) //前后各显示5个数字页码
   {
    vs["pi"] = i;
    if (i == data.PageIndex)
    {
     builder.Append("<font class='thispagethis'>" + i.ToString() + "</font> ");
    }
    else
    {
     builder.Append(" ");

     builder.Append(Html.LinkExtensions.ActionLink(html, i.ToString(), action, controller, vs, null));
    }
   }

   if (data.IsNextPage)
   {
    builder.Append(" ");

    vs["pi"] = data.PageIndex + 1;
    builder.Append(Html.LinkExtensions.ActionLink(html, "下一页", action, controller, vs, null));
    builder.Append(" ");


    vs["pi"] = data.TotalPage;
    builder.Append(Html.LinkExtensions.ActionLink(html, "末页", action, controller, vs, null));


   }
   builder.Append(" 每页" + data.PageSize + "条/共" + data.TotalCount + "条 第" + data.PageIndex + "页/共" + data.TotalPage + "页 </div>");
   return builder.ToString();
  }
  #endregion
 }
}

Rendering:

5. Laden Sie den Quellcode herunter:

jQuery.Ajax implementiert asynchron das Hinzufügen, Löschen, Ändern und Paging

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