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; } }}