<?xml version="1.0" encoding="UTF-8"?>
<stulist>
  <student email="1@1.com">
    <name>zhangsan</name>
    <id>1</id>
  </student>
  <student email="2@2.com">
    <name>lisi</name>
    <id>2</id>
  </student>
</stulist>

demo.html：

<!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>
<title>加載XML</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="editplus" />
<script type="text/javascript" src="js/jquery-1.10.1.min.js"></script>
<script type="text/javascript">
$(function() {
  $("button").click(function(){
    $.ajax({
      url:'xml/ajax.xml',
      type: 'GET',
      dataType: 'xml',
      timeout: 1000,
      cache:false,
      error: function(xml){
        alert('加載XML文檔出錯');
      },
      success: function(xml){
        //建立一個代碼片段
        var frag=$("<ul/>");
        //遍歷所有student節(jié)點
        $(xml).find("student").each(function(i){
          //獲取id節(jié)點
          var id=$(this).children("id"),
          //獲取節(jié)點文本
            id_value=id.text(),
          //獲取student下的email屬性。
            email=$(this).attr("email");
          //構(gòu)造HTML字符串，通過append方法添加進之前建立代碼片段
          frag.append("<li>"+id_value+"-"+email+"</li>");
        });
        //最后得到的frag添加進HTML文檔中
        frag.appendTo("#load");
      }
    });
  });
});
</script>
</head>
<body>
<button>加載</button>
<div id="load"></div>
</body>
</html>

效果圖：