jsp中操作xml运行不了??
我有两个文件
XML.jsp文件内容如下:
<%@ page language="java" import="java.util.*" pageEncoding="GBK" contentType="text/html;charset=gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
   <head>
     <base href="<%=basePath%>">      
     <title>书目信息</title>      
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">     
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
   </head>    
   <body>
     <form action="XMLDao.jsp?action=submit" method="post">
	    <font size="3">
	    	<br />
	    	书名:<input type="text" name="bookname" size="20" />
	    	<br />
	    	索引号:<input type="text" name="indexnm" size="20" />
	    	<br />
	    	出版社:<input type="text" name="bookconcern" size="20" />
	    	<br />
	    	类别:<input type="text" name="class" size="20" />
	    	<br />
	    	提交:<input type="submit" name="submit" value="确定" />
	    </font>
     </form>
   </body>
</html>
XMLDao.jsp文件内容如下:
<%@ page language="java" import="java.util.*" pageEncoding="GBK" contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*" %>
<%@ page import="org.apache.crimson.tree.*" %>
<%@ page import="org.w3c.dom.*" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
   <head>
     <base href="<%=basePath%>">      
     <title>处理书目</title>      
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">     
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
   </head>    
   <body>
     <%
     	String action = (String)request.getParameter("action");     	
     	class trans {//字符转换类trans,避免中文出现乱码
     		public String getStr(String str) {
     			try {
     				String temp1 = str;
     				byte[] temp2 = temp1.getBytes("ISO-8859-1");
     				String temp = new String(temp2);