Jquery Ajax解析XML数据(同步及异步调用)简单实例

$.ajax({
                async: true, // 默认true(异步请求)
                cache: true, // 默认true,设置为 false 将不会从浏览器缓存中加载请求信息。
                type: "POST", // 默认:GET 请求方式:[POST/GET]
                dataType: "xml", //默认["xml"/"html"] 返回数据类型:["xml" / "html" / "script" / "json" / "jsonp"]
                url: "Test.ashx", // 默认当前地址,发送请求的地址
                data: { key: "value" }, // 发送到服务器的数据
                error: function(xml) { alert('Error loading XML document' + xml); }, // 请求失败时调用
                timeout: 1000, // 设置请求超时时间
                success: function(xml) { // 请求成功后回调函数 参数：服务器返回数据,数据格式.
                    $("#users").empty();
                    // 用Jquery处理xml数据
                    $(xml).find('Table').each(function() {
                        var loginname = $(this).find("Loginname").text();
                        var Name").text();
                        $("#users").append("<li>" + loginname + " - " + name + "</li>");
                    });
                    /*
                    $(xml).find('user').each(function(i) {
                        var loginname = $(xml).find("user loginname").eq(i).text();
                        var user name").eq(i).text();
                        $("#users").append("<p>" + loginname + "</p>" + "<p>" + name + "</p><Br />");
                    }) 
                    $(xml).find("student").each(function(i){
                        var id"); //取对象
                        var id_value=$(this).children("id").text(); //取文本
                        alert(id_value);//这里就是ID的值了。
                        alert($(this).attr("email")); //这里能显示student下的email属性。
                        //最后输出了，这个是cssrain的写法，貌似比macnie更JQ一点
                        $('<li></li>').html(id_value).appendTo('ol');
                    });
                    */
                }
            })

用ashx文件返回XML数据:

<%@ WebHandler Language="C#" %>
using System;
using System.Web;
using System.Text;
using System.Data;
public class Test : IHttpHandler {
    public void ProcessRequest (HttpContext context) {
        context.Response.StatusCode = 200;
        context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
        DataSet ds = new DataSet("AccountList");
        ds = GetList("Account","AccountId","Loginname,Name",50,1,false, false,"1=1");
        context.Response.ContentType = "text/xml";
        context.Response.Charset = "GB2312";
        context.Response.Clear();
        context.Response.Write("<?xml version=\"1.0\" encoding=\"gbk\"?>\n " + ds.GetXml());
        /*
        StringBuilder sb = new StringBuilder();
        sb.Append("<?xml version=\"1.0\" encoding=\"gbk\"?>");
        sb.Append("<AccountList>");
        sb.Append("<Account><loginname>Loro5</loginname><name>wulu</name></user>");
        sb.Append("</Account>");
        context.Response.Write(sb.ToString());
        */

        context.Response.End();
    }
    public bool IsReusable {
        get {
            return false;
        }
    }
}