1 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 2 <!--<?xml-stylesheet type="text/css" href="a.css" ?>-->
 3 
 4 <users>
 5     <user id='1'>
 6         <name>zhangsan</name>
 7         <age>23</age>
 8         <gender>male</gender>
 9         <br/>
10     </user>
11     <user id='2'>
12         <name>lisi</name>
13         <age>24</age>
14         <gender>female</gender>
15         <code>
16             if(a &lt; b &amp;&amp; a &gt; c){} <!--if(a<b && a>c){}-->
17             <!--CDATA区：在该区域中的数据会被原样展示-->
18             <![CDATA[
19                 if(a<b && a>c){}
20             ]]>
21         </code>
22     </user>
23 </users>

1 name{
2     color: red;
3 }