jQuery 调用后台方法（net）
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head
runat="server">
<title>无标题页</title>
<style
type="text/css">
.hover
{
cursor:
pointer;
/*小手*/
background: #ffc; /*背景*/
}
</style>
<script
type="text/javascript"
src="js/jquery-1.3.2-vsdoc2.js"></script>
<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: "Default2.aspx/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
alert(result.d);
}
});
});
});
//有参数调用
$(document).ready(function()
{
$("#btn2").click(function()
{
$.ajax({
type:
"POST",
contentType:
"application/json",
url:
"Default2.aspx/GetWish",
data:
"{value1:‘心想事成‘,value2:‘万事如意‘,value3:‘牛牛牛‘,value4:2009}",
dataType:
‘json‘,
success: function(result)
{
alert(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:
"Default2.aspx/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:
"Default2.aspx/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:
"Default2.aspx/GetDataSet",
data:
"{}",
dataType: ‘xml‘, //返回的类型为XML
，和前面的Json，不一样了
success: function(result)
{
alert(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()
{
$(‘btn‘).hover(function()
{
$(this).addClass(‘hover‘);
}, function()
{
$(this).removeClass(‘hover‘);
});
});
</script>
</head>
<body>
<form id="form1"
runat="server">
<div>
<input type="button" id="btn1"
value="HelloWorld"/>
<input
type="button" id="btn2"
value="传入参数"/>
<input type="button"
id="btn3" value="返回集合"/>
<input
type="button" id="btn4" value=" 返回复合类型"/>
<input type="button" id="btn5"
value="返回DataSet(XML)"/>
</div>
<div
id="dictionary">dictionary
</div>
</form>
</body>
</html>
==================================================================================
using System;
using System.Collections;
using
System.Collections.Generic;
using System.Configuration;
using
System.Data;
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.Web.Services;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
[WebMethod]
public static string HelloWorld()
{
return
"123--->456";
}
[WebMethod]
public static string ABC(string
ABC)
{
return ABC;
}
[WebMethod]
public static 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 static 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 static Class1
GetClass()
{
return new Class1 { ID = "1", Value = "牛年大吉" };
}
/// <summary>
///
返回XML
/// </summary>
///
<returns></returns>
[WebMethod]
public static 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;
}
public class
Class1
{
public string ID { get; set; }
public string Value { get; set; }
}
}