<?xml version="1.0" encoding="utf-8" ?>
<students>
<student>
<id>s1</id>
<name>張三</name>
<province>湖南</province>
<city>長沙</city>
<age>18</age>
</student>
<student>
<id>s2</id>
<name>李四</name>
<province>湖北</province>
<city>武漢</city>
<age>18</age>
</student>
<student>
<id>s3</id>
<name>王五</name>
<province>四川</province>
<city>成都</city>
<age>20</age>
</student>
</students>