Dom4j操作XML文件

1. 创建并写入

  public static void writetry {      Document document = DocumentHelper.createDocument();      Element root = document.addElement("PortConfig");             Element ePort;             ePort = root.addElement("Port");      ePort.addAttribute("Portname", "portBloodpress");      ePort.addAttribute("Portnumber", "COM12");             ePort = root.addElement("Port");      ePort.addAttribute("Portname", "portWah");      ePort.addAttribute("Portnumber", "COM14");             ePort = root.addElement("Port");      ePort.addAttribute("Portname", "portBloodsugar");      ePort.addAttribute("Portnumber", "COM16");             ePort = root.addElement("Port");      ePort.addAttribute("Portname", "portBloodfat");      ePort.addAttribute("Portnumber", "COM18");             ePort = root.addElement("Port");      ePort.addAttribute("Portname", "portUric");      ePort.addAttribute("Portnumber", "COM20");             OutputFormat format = new OutputFormat("  ", true);      = new new FileWriter(new File(filename)), format);      output.write(document);      output.close();           } catch (Exception e) {      e.printStackTrace();    }   }

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原标题：Dom4j操作XML文件

关键词：xml