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MVC jQuery.Ajax は、追加、削除、変更、クエリ、paging_jquery を非同期的に実装します。

WBOYオリジナル: 2016-05-16 09:00:252839ブラウズ

この記事の例では、追加、削除、変更、クエリ、ページングの mvc jquery.ajax 非同期実装の具体的なコードを参考までに紹介します。具体的な内容は次のとおりです。

1. モデルレイヤコード

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. レイヤーコードを表示する

<%@ 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. コントローラ層のコード

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? pi, string sclass)
  {
   int pageindex = pi ?? 1;
   int pagesize = 5;
   string sclass = sclass == null ? "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. 2 つのページング補助クラス pagedlist と mikepagerhtmlextensions

pageslist ヘルパークラス

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? index, int? 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? index, int? pagesize)
  {
   return new pagedlist<t>(source, index, pagesize);
  }

  public static pagedlist<t> topagedlist<t>(this iorderedqueryable<t> source, int? index)
  {
   return new pagedlist<t>(source, index, 10);
  }

  public static pagedlist<t> topagedlist<t>(this iqueryable<t> source, int? index, int? pagesize)
  {
   return new pagedlist<t>(source, index, pagesize);
  }

  public static pagedlist<t> topagedlist<t>(this iqueryable<t> source, int? index)
  {
   return new pagedlist<t>(source, index, 10);
  }
 }
}

mikepagerhtmlextensions ヘルパークラス

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 ? (data.PageIndex - 5) : 1;
   int end = (data.TotalPage - start) > 9 ? start + 9 : data.TotalPage;

   RouteValueDictionary vs = valuedic == null ? 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
 }
}

レンダリング:

5. ソースコードをダウンロードします: jquery.ajax非同期追加、削除、変更、ページングを実装する

以上がこの記事の全内容です。皆さんの学習に役立つことを願っています。

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MVC jQuery.Ajax は、追加、削除、変更、クエリ、paging_jquery を非同期的に実装します。

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