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) {
