<?xml version="1.0" encoding="UTF-8"?>
<stulist>
        <student id="3">  
                <name>zhangsan</name>
                <age>123</age>
        </student>
        <student id="2">
               <name>lisi</name>
                <age>234</age>
        </student>
        <student id="3">
               <name>wangwu</name>
                <age>345</age>
        </student></stulist>
如题我想获得id=2的  name 和 age  用alert打印出来应该怎么解决呢  ???谢谢了