jQuery Ajax方法调用 Asp.Net WebService 的详细实例代码

  ws.aspx 代码

  

复制代码 代码如下:

  <!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></title>

  <script src="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: "WebService1.asmx/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: "WebService1.asmx/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: "WebService1.asmx/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: "WebService1.asmx/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: "WebService1.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>

  </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>

  <div id="loading">

  服务器处理中,请稍后。

  </div>

  <div id="dictionary">

  </div>

  </form>

  </body>

  </html>

  WebService1.asmx.cs

  

复制代码 代码如下:

  using System;

  using System.Collections.Generic;

  using System.Linq;

  using System.Web;

  using System.Web.Services;

  using System.Data;

  namespace jQuery.Learning

  {

  /// <summary>

  /// WebService1 的摘要说明

  /// </summary>

  [WebService(Namespace = "http://tempuri.org/")]

  [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

  [System.ComponentModel.ToolboxItem(false)]

  // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务,请取消对下行的注释。

  [System.Web.Script.Services.ScriptService]

  public class WebService1 : System.Web.Services.WebService

  {

  /// <summary>

  /// 无参数

  /// </summary>

  /// <returns></returns>

  [WebMethod]

  public 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>

  [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);

  }

  /// <summary>

  /// 返回集合

  /// </summary>

  /// <param name="i"></param>

  /// <returns></returns>

  [WebMethod]

  public 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 Class1 GetClass()

  {

  return new Class1 { ID = "1", Value = "牛年大吉" };

  }

  /// <summary>

  /// 返回XML

  /// </summary>

  /// <returns></returns>

  [WebMethod]

  public 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;

  }

  }

  //自定义的类,只有两个属性

  public class Class1

  {

  public string ID { get; set; }

  public string Value { get; set; }

  }

  }