jQuery AJax调用asp.net webservers的实现代码


aspx页面代码
复制代码 代码如下:

<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
复制代码 代码如下:

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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