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                         一、WebService.asmx  
处理业务数据,在GetWhether方法中产生天气情况数据,供JqueryRequest.aspx调用,代码如下: 
  [System.Web.Script.Services.ScriptService]  public class WebService : System.Web.Services.WebService { 
  public WebService () { 
  //如果使用设计的组件,请取消注释以下行  //InitializeComponent();  } 
  [WebMethod]  public string GetWhether(string cityId)  {  Random r = new Random();  int degree = r.Next(100); 
  string wInfo = string.Format("Today {0}'s temperature is {1} degrees", cityId, degree);  return wInfo;  }  } 
  二、AjaxRequest.aspx  
通过点击按钮来请求WebService.asmx的GetWhether(string cityId)方法,获取天气数据。代码如下: 
  <html xmlns="http://www.w3.org/1999/xhtml">  <head runat="server">  <title>liehuo.net</title>  <script type="text/javascript" language="javascript" src="js/jquery-1.3.2.js"></script>  </head>  <body>  <form id="form1" runat="server">  <div>  <input type="text" name="Text1" id="Text1"/><br />  <input type="text" name="Text2" id="Text2"/>  <br />  <input type="button" id="btn1" onclick="BtnCity_Click()" style="width:55px; height:20px;" />  </div>  <div id="dd">  sd  </div>  <div>  <script type="text/javascript" language="javascript">  function BtnCity_Click() {  var city = $("#Text1").val();  $.ajax({  url: "WebService.asmx/GetWhether",  data: { cityId: city },  type: "post",  success: function(data, status) {  $("#dd").html("<h1>天气情况:" + data.childNodes[1].text + "</h1>");  }  });  }  </script>  </div>  </form>  </body>  </html>                          (编辑:滁州站长网) 
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