将以下html存为ws.aspx
<%@ Page Language="C#" AutoEventWireup="true" %>
<script runat="server">
/// <summary>
/// 无参数
/// </summary>
/// <returns></returns>
[System.Web.Services.WebMethod]
public static 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>
[System.Web.Services.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>
[System.Web.Services.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>
[System.Web.Services.WebMethod]
public static Class1 GetClass()
{
return new Class1 { ID = "1", Value = "牛年大吉" };
}
[System.Web.Services.WebMethod]
public static string ParmsObject(Class1 obj)
{
return obj.ID + ":" + obj.Value;
}
/// <summary>
/// 返回XML
/// </summary>
/// <returns></returns>
[System.Web.Services.WebMethod]
public static System.Data.DataSet GetDataSet()
{
System.Data.DataSet ds = new System.Data.DataSet();
System.Data.DataTable dt = new System.Data.DataTable();
dt.Columns.Add("ID", Type.GetType("System.String"));
dt.Columns.Add("Value", Type.GetType("System.String"));
System.Data.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; }
}
</script>
<!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 id="Head1" runat="server">
<title>jQuery Ajax方法调用 Asp.Net WebService、WebMethod 的详细实例代码</title>
<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/lib/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;
}
#switcher {
}
</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: "ws.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
$('#dictionary').append(result.d);
}
});
});
});
//有参数调用
$(document).ready(function () {
$("#btn2").click(function () {
$.ajax({
type: "POST",
contentType: "application/json",
url: "ws.aspx/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: "ws.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: "ws.aspx/GetClass",
data: "{}",
dataType: 'json',
success: function (result) {
$(result.d).each(function () {
//alert(this);
$('#dictionary').append(this['ID'] + " " + this['Value']);
//alert(result.d.join(" | "));
});
}
});
});
});
//==============
var aArray = ["sdf", "dasd", "dsa"]; //数组$.each(aArray,function(iNum,value){ document.write(“序号：”+iNum+” 值：”+value);});var oObj = {one:1,two:2,three:3};$.each(aArray,function(property,value){ document.write(“属性：”+ property +” 值：”+value);});
//==============================================
//返回DataSet(XML)
$(document).ready(function () {
$('#btn5').click(function () {
$.ajax({
type: "POST",
url: "ws.aspx/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);
}
}
});
});
});
//传入对象
$(function () {
$("#btn6").click(function () {
obj = new Object();
obj.ID = "1";
obj.Value = "aaa";
//'{"obj":{"ID":"1",Value:"Horse"}}'
var d = '{"obj":' + JSON.stringify(obj) + '}';
$.ajax({
type: "POST", //访问WebService使用Post方式请求
contentType: "application/json", //WebService 会返回Json类型
url: "ws.aspx/ParmsObject", //调用WebService的地址和方法名称组合 ---- WsURL/方法名
data: d, //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) {
alert(result.d);
},
error: function (result) {
alert("fail");
}
});
});
});
//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 class="button" id="btn6">
传入对象
</div>
</div>
<div id="loading">
服务器处理中，请稍后。
</div>
<div id="dictionary">
</div>
</form>
</body>
</html>