<?xml-stylesheet type="text/css" href="Mybooks.css"?>

<Mybooks>
 <TITLE>MyBooks</TITLE>
 <book id="1">
  <title>Visual C++</title>
  <subtitle>the Second Edition</subtitle>
  <publisher>Williams</publisher>
  <ISBN/>
  <EditInfo>002-01</EditInfo>
  <Author>John Smith</Author>
  <NumOfPages>231</NumOfPages>
  <SimpleDescription/>
  <price>32.00</price>
 </book>
 <book id="2">
  <title>Inventor Machine Design</title>
  <subtitle>CD</subtitle>
  <publisher>Ken</publisher>
  <ISBN/>
  <EditInfo>003-01</EditInfo>
  <Author>Peter Lee</Author>
  <NumOfPages>245</NumOfPages>
  <SimpleDescription/>
  <price>34.00</price>
 </book>
 <book id="3">
  <title>C++ Templates</title>
  <subtitle>Chinese Edition</subtitle>
  <publisher>Alice</publisher>
  <ISBN/>
  <EditInfo>007-01</EditInfo>
  <Author>Mary Joe</Author>
  <NumOfPages>408</NumOfPages>
  <SimpleDescription/>
  <price>62.00</price>
 </book>
</Mybooks>
怎样在dom中读和解析这个xml文件，并且找到页价值最小者（价格/页数），然后删除price和page属性，怎么做啊？帮帮忙吧，谢谢了

在资料下载里面