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>
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