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jQuery AJax调用asp.net webservers的实现代码

程序员文章站 2022-05-03 18:50:29
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aspx页面代码
<html xmlns="http://www.w3.org/1999/xhtml" > 
<head runat="server"> 
 <title></title> 
  <script src="JQUERY.JS" type="text/javascript"></script> 
  <style type="text/css"><!-- 
.hover 
{ 
cursor: pointer; /*小手*/ 
background: #ffc; /*背景*/ 
} 
.button 
{ 
width: 150px; 
float: left; 
text-align: center; 
margin: 10px; 
padding: 10px; 
border: 1px solid #888; 
} 
#dictionary 
{ 
text-align: center; 
font-size: 18px; 
clear: both; 
border-top: 3px solid #888; 
} 
#loading 
{ 
border: 1px #000 solid; 
background-color: #eee; 
padding: 20px; 
margin: 100px 0 0 200px; 
position: absolute; 
display: none; 
} 
   
--></style><style type="text/css" bogus="1"><!-- 
.hover 
{ 
cursor: pointer; /*小手*/ 
background: #ffc; /*背景*/ 
} 
.button 
{ 
width: 150px; 
float: left; 
text-align: center; 
margin: 10px; 
padding: 10px; 
border: 1px solid #888; 
} 
#dictionary 
{ 
text-align: center; 
font-size: 18px; 
clear: both; 
border-top: 3px solid #888; 
} 
#loading 
{ 
border: 1px #000 solid; 
background-color: #eee; 
padding: 20px; 
margin: 100px 0 0 200px; 
position: absolute; 
display: none; 
} 
   
--></style><style type="text/css" bogus="1" bogus="1">.hover 
{ 
cursor: pointer; /*小手*/ 
background: #ffc; /*背景*/ 
} 
.button 
{ 
width: 150px; 
float: left; 
text-align: center; 
margin: 10px; 
padding: 10px; 
border: 1px solid #888; 
} 
#dictionary 
{ 
text-align: center; 
font-size: 18px; 
clear: both; 
border-top: 3px solid #888; 
} 
#loading 
{ 
border: 1px #000 solid; 
background-color: #eee; 
padding: 20px; 
margin: 100px 0 0 200px; 
position: absolute; 
display: none; 
} 
  </style> 
  <script type="text/javascript"><!-- 
    //无参数调用 
    $(document).ready(function() { 
      $('#btn1').click(function() { 
        $.ajax({ 
          type: "POST",  //访问WebService使用Post方式请求 
          contentType: "application/json", //WebService 会返回Json类型 
          url: "WebService1.asmx/HelloWorld", //调用WebService的地址和方法名称组合 ---- WsURL/方法名 
          data: "{}",     //这里是要传递的参数,格式为 data: "{paraName:paraValue}",下面将会看到    
          dataType: 'json', 
          success: function(result) {   //回调函数,result,返回值 
            $('#dictionary').append(result.d); 
          } 
        }); 
      }); 
    }); 
    //有参数调用 
    $(document).ready(function() { 
      $("#btn2").click(function() { 
        $.ajax({ 
          type: "POST", 
          contentType: "application/json", 
          url: "WebService1.asmx/GetWish", 
          data: "{value1:'心想事成',value2:'万事如意',value3:'牛牛牛',value4:2009}", 
          dataType: 'json', 
          success: function(result) { 
            $('#dictionary').append(result.d); 
          } 
        }); 
      }); 
    }); 
     
     
    //返回集合(引用自网络,很说明问题) 
    $(document).ready(function() { 
      $("#btn3").click(function() { 
        $.ajax({ 
          type: "POST", 
          contentType: "application/json", 
          url: "WebService1.asmx/GetArray", 
          data: "{i:10}", 
          dataType: 'json', 
          success: function(result) { 
            $(result.d).each(function() { 
              //alert(this); 
              $('#dictionary').append(this.toString() + " "); 
              //alert(result.d.join(" | ")); 
            }); 
          } 
        }); 
      }); 
    }); 
    //返回复合类型 
    $(document).ready(function() { 
      $('#btn4').click(function() { 
        $.ajax({ 
          type: "POST", 
          contentType: "application/json", 
          url: "WebService1.asmx/GetClass", 
          data: "{}", 
          dataType: 'json', 
          success: function(result) { 
            $(result.d).each(function() { 
              //alert(this); 
              $('#dictionary').append(this['ID'] + " " + this['Value']); 
              //alert(result.d.join(" | ")); 
            }); 
          } 
        }); 
      }); 
    }); 
    //返回DataSet(XML) 
    $(document).ready(function() { 
      $('#btn5').click(function() { 
        $.ajax({ 
          type: "POST", 
          url: "WebService1.asmx/GetDataSet", 
          data: "{}", 
          dataType: 'xml', //返回的类型为XML ,和前面的Json,不一样了 
          success: function(result) { 
          //演示一下捕获 
            try {  
              $(result).find("Table1").each(function() { 
                $('#dictionary').append($(this).find("ID").text() + " " + $(this).find("Value").text()); 
              }); 
            } 
            catch (e) { 
              alert(e); 
              return; 
            } 
          }, 
          error: function(result, status) { //如果没有上面的捕获出错会执行这里的回调函数 
            if (status == 'error') { 
              alert(status); 
            } 
          } 
        }); 
      }); 
    }); 
    //Ajax 为用户提供反馈,利用ajaxStart和ajaxStop 方法,演示ajax跟踪相关事件的回调,他们两个方法可以添加给jQuery对象在Ajax前后回调 
    //但对与Ajax的监控,本身是全局性的 
    $(document).ready(function() { 
      $('#loading').ajaxStart(function() { 
        $(this).show(); 
      }).ajaxStop(function() { 
        $(this).hide(); 
      }); 
    }); 
    // 鼠标移入移出效果,多个元素的时候,可以使用“,”隔开 
    $(document).ready(function() { 
      $('div.button').hover(function() { 
        $(this).addClass('hover'); 
      }, function() { 
        $(this).removeClass('hover'); 
      }); 
    }); 
     
     
   
// --></script> 
</head> 
<body> 
  <form id="form1" runat="server"> 
  <div id="switcher"> 
    <h2> 
      jQuery 的WebServices 调用</h2> 
    <div class="button" id="btn1"> 
      HelloWorld</div> 
    <div class="button" id="btn2"> 
      传入参数</div> 
    <div class="button" id="btn3"> 
      返回集合</div> 
    <div class="button" id="btn4"> 
      返回复合类型</div> 
    <div class="button" id="btn5"> 
      返回DataSet(XML)</div> 
  </div> 
  <div id="loading"> 
    服务器处理中,请稍后。 
  </div> 
  <div id="dictionary"> 
  </div> 
  </form> 
</body> 
</html>

WebService1.asmx 代码

using System; 
using System.Collections; 
using System.ComponentModel; 
using System.Data; 
using System.Linq; 
using System.Web; 
using System.Web.Services; 
using System.Web.Services.Protocols; 
using System.Xml.Linq; 
using System.Collections.Generic; 
namespace jquery_Learning 
{ 
/// <summary> 
/// WebService1 的摘要说明 
/// </summary> 
[WebService(Namespace = "http://tempuri.org/")] 
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] 
[System.ComponentModel.ToolboxItem(false)] 
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务,请取消对下行的注释。 
[System.Web.Script.Services.ScriptService] 
public class WebService1 : System.Web.Services.WebService 
{ 
/// <summary> 
/// 无参数 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public string HelloWorld() 
{ 
return "Hello World "; 
} 
/// <summary> 
/// 带参数 
/// </summary> 
/// <param name="value1"></param> 
/// <param name="value2"></param> 
/// <param name="value3"></param> 
/// <param name="value4"></param> 
/// <returns></returns> 
[WebMethod] 
public string GetWish(string value1, string value2, string value3, int value4) 
{ 
return string.Format("祝您在{3}年里 {0}、{1}、{2}", value1, value2, value3, value4); 
} 
/// <summary> 
/// 返回集合 
/// </summary> 
/// <param name="i"></param> 
/// <returns></returns> 
[WebMethod] 
public List<int> GetArray(int i) 
{ 
List<int> list = new List<int>(); 
while (i >= 0) 
{ 
list.Add(i--); 
} 
return list; 
} 
/// <summary> 
/// 返回一个复合类型 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public Class1 GetClass() 
{ 
return new Class1 { ID = "1", Value = "牛年大吉" }; 
} 
/// <summary> 
/// 返回XML 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public DataSet GetDataSet() 
{ 
DataSet ds = new DataSet(); 
DataTable dt = new DataTable(); 
dt.Columns.Add("ID", Type.GetType("System.String")); 
dt.Columns.Add("Value", Type.GetType("System.String")); 
DataRow dr = dt.NewRow(); 
dr["ID"] = "1"; 
dr["Value"] = "新年快乐"; 
dt.Rows.Add(dr); 
dr = dt.NewRow(); 
dr["ID"] = "2"; 
dr["Value"] = "万事如意"; 
dt.Rows.Add(dr); 
ds.Tables.Add(dt); 
return ds; 
} 
} 
//自定义的类,只有两个属性 
public class Class1 
{ 
public string ID { get; set; } 
public string Value { get; set; } 
} 
}

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