Js调用WebServices

<div class="button" id="btn1"><a href="#" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >HelloWorld</div>

<div class="button" id="btn2"><a href="#" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >传入参数</a></div>

<div class="button" id="btn3"><a href="#" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >返回集合</a></div>

<div class="button" id="btn4"><a href="#" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >返回复合类型</a></div>

<div class="button" id="btn5"><a href="#" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >返回DataSet(XML)</a></div>

</div><div id="loading">服务器处理中，请稍后</div>

<div id="dictionary"></div>

[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);

}

[WebMethod]

public List<int> GetArray(int i)

{

List<int> list = new List<int>();

while (i >= 0)

{

list.Add(i--);

}

return list;

}

[WebMethod]

public Class1 GetClass()

{

Class1 a = new Class1();

a.ID = "1";

a.Value = "牛年大吉";

return a;

}

[WebMethod]

public DataSet GetDataSet()

{

DataSet ds = new DataSet();

DataTable dt = new DataTable("Table1");

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; }

}

<script language="javascript" type="text/javascript">

//无参数

$(function() {

$("#btn1").click(function() {

$.ajax({

type: "POST", //访问webservice使用POST方式请求

contentType: "application/json;utf-8", //WebService会返回Json类型

url: "WebService.asmx/HelloWorld", //调用WebService方法

data: "{}", //要传递的参数,没有传参时，也一定要写上

dataType: "json",

success: function(result) {

result =result.d;//返回d后面的json内容

$("#dictionary").append(result);

}

});

});

});

//有参数

$(function() {

$("#btn2").click(function() {

$.ajax({

type: "POST",

contentType: "application/json;utf-8",

url: "WebService.asmx/GetWish",

data: "{value1:'万事如意',value2:'心想事成',value3:'财运滚滚',value4:2009}",

dataType: "json",

success: function(result) {

result =result.d;

$("#dictionary").html(result);

}

});

});

});

//返回集合

$(function() {

$("#btn3").click(function() {

$.ajax({

type: "POST",

contentType: "application/json;utf-8",

url: "WebService.asmx/GetArray",

data: "{i:10}",

dataType: "json",

success: function(result) {

result =result.d;

$(result).each(function() {

$("#dictionary").append(this.toString() + " ");

});

}

});

});

});

//返回实体

$(function() {

$("#btn4").click(function() {

$.ajax({

type: "POST",

contentType: "application/json;utf-8",

url: "WebService.asmx/GetClass",

data: "{}",

dataType: 'json',

success: function(result) {

result =result.d;

$("#dictionary").append(result.ID + " " + result.Value);

}

});

});

});

//返回DataSet(XML)

$(document).ready(function() {

$('#btn5').click(function() {

$.ajax({

type: "POST",

url: "WebService.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>