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>