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/**
* 修改XML文件指定信息
*/
public static void EditXML(HttpServletRequest request) throws Exception {
FileInputStream fi = null;
FileOutputStream fo = null;
try {
request.setCharacterEncoding("GBK");
String path = request.getParameter("path");
int xmlid = Integer.parseInt(request.getParameter("id"));
fi = new FileInputStream(path);
SAXBuilder sb = new SAXBuilder();
Document doc = sb.build(fi);
Element root = doc.getRootElement(); // 得到根元素
List books = root.getChildren(); // 得到根元素所有子元素的集合
Element book = (Element) books.get(xmlid);
String bookname = request.getParameter("bookname");
String author = request.getParameter("author");
String price = request.getParameter("price");
String pub = request.getParameter("pub");
String pubdate = request.getParameter("pubdate");
// Text newtext;
Element newname = book.getChild("书名");
newname.setText(bookname);// 修改书名为新的书名
Element newauthor = book.getChild("作者");
newauthor.setText(author);
Element newpub = book.getChild("出版社");
newpub.setText(pub);
Element newprice = book.getChild("价格");
newprice.setText(price);
Element newdate = book.getChild("出版日期");
newdate.setText(pubdate);
// books.set(xmlid,book);//修改子元素
// String indent = " ";
// boolean newLines = true;
// XMLOutputter outp = new XMLOutputter(indent, newLines, "GBK");
Format format = Format.getPrettyFormat();
format.setIndent(" ");
format.setEncoding("utf-8");
XMLOutputter outp = new XMLOutputter(format);
fo = new FileOutputStream(path);
outp.output(doc, fo);
} catch (Exception e) {
System.err.println(e + "error");
} finally {
try {
fi.close();
fo.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
下面是操作的jsp文件: test.jsp
<%@ page contentType="text/html;charset=GBK"%>
<%@ page language="java" import="java.util.*,jdom.test.*"%>
<html>
<head>
<title>读取XML文件资料</title>
</head>
<body>
<h3 align="center">JDOM操作XML文件</h3>
<p align="center">读取XML文件中的所有资料</p>
<center>
<table border="1" cellpadding="0" cellspacing="1"
style="border-collapse: collapse" width="80%" id="AutoNumber1">
<tr>
<td align="center" width="92">书名</td>
<td align="center" width="92">作者</td>
<td align="center" width="92">出版社</td>
<td align="center" width="92">价格</td>
<td align="center" width="92">出版日期</td>
<td align="center" width="94">操作</td>
</tr>
</table>
<%
String path = application.getRealPath("/JDOM/MyXml.xml");
XmlBean xml = new XmlBean();
Vector xmlall = xml.LoadXML(path);
for (int i = 0; i < xmlall.size(); i++) {
xml = (XmlBean) xmlall.elementAt(i);
/**out.println("书名:"+xml.getbookname()+"<br>");
out.println("作者:"+xml.getauthor()+"<br>");
out.println("出版社:"+xml.getpub()+"<br>");
out.println("价格:"+xml.getprice()+"<br>");
out.println("出版日期:"+xml.getpubdate()+"<br><br>");
*/
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