public static void main(String[] args) { UserDAO userDAO = new UserDAO(); List list = userDAO.queryAllUser(); Document doc = DocumentHelper.createDocument(); Element rootElement = doc.addElement("class"); // 建主根结点 for (int i = 0; i < list.size(); i++) { User user = (User) list.get(i); Element studentEle = rootElement.addElement("student"); //创建结点student studentEle.addAttribute("id", String.valueOf(user.getId())); //在student上添加属性 Element nameEle = studentEle.addElement("userName"); //在student下添加子结点 nameEle.setText(user.getUserName()); Element pwdEle = studentEle.addElement("password"); pwdEle.setText(user.getPassword()); Element sexEle = studentEle.addElement("sex"); sexEle.setText(user.getSex()); Element ageEle = studentEle.addElement("age");//registry ageEle.setText(String.valueOf(user.getAge())); Element registryEle = studentEle.addElement("registry"); registryEle.setText(user.getJiGuan()); }
try { OutputFormat of = OutputFormat.createPrettyPrint();//进行格式化输出 of.setEncoding("UTF-8"); //设置编码 OutputStream os = new FileOutputStream("d:/class.xml"); XMLWriter output = new XMLWriter(os,of); output.write(doc); output.close(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
String xmlStr = "";
Document document = DocumentHelper.parseText(xmlStr);
public static void main(String[] args) {
UserDAO userDAO = new UserDAO();
List list = userDAO.queryAllUser();
Document doc = DocumentHelper.createDocument();
Element rootElement = doc.addElement("class"); // 建主根结点
for (int i = 0; i < list.size(); i++) {
User user = (User) list.get(i);
Element studentEle = rootElement.addElement("student"); //创建结点student
studentEle.addAttribute("id", String.valueOf(user.getId())); //在student上添加属性
Element nameEle = studentEle.addElement("userName"); //在student下添加子结点
nameEle.setText(user.getUserName());
Element pwdEle = studentEle.addElement("password");
pwdEle.setText(user.getPassword());
Element sexEle = studentEle.addElement("sex");
sexEle.setText(user.getSex());
Element ageEle = studentEle.addElement("age");//registry
ageEle.setText(String.valueOf(user.getAge()));
Element registryEle = studentEle.addElement("registry");
registryEle.setText(user.getJiGuan());
}
try {
OutputFormat of = OutputFormat.createPrettyPrint();//进行格式化输出
of.setEncoding("UTF-8"); //设置编码
OutputStream os = new FileOutputStream("d:/class.xml");
XMLWriter output = new XMLWriter(os,of);
output.write(doc);
output.close();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
?xml version="1.0" encoding="UTF-8"?>
<class>
<student id="11">
<userName>张三</userName>
<password>123</password>
<sex>男</sex>
<age>22</age>
<registry>湖南</registry>
</student>
<student id="14">
<userName>李四</userName>
<password>fasdfa</password>
<sex>男</sex>
<age>20</age>
<registry>长沙</registry>
</student>
<student id="16">
<userName>王五</userName>
<password>1231</password>
<sex>男</sex>
<age>12</age>
<registry>宁乡</registry>
</student>
<student id="17">
<userName>dddddd</userName>
<password>ADF</password>
<sex>男</sex>
<age>22</age>
<registry>ASDFA</registry>
</student>
<student id="18">
<userName>eeeeeeee</userName>
<password>dasfas</password>
<sex>男</sex>
<age>0</age>
<registry>dsafsa</registry>
</student>
</class>产生的xml
OutputStream os = new FileOutputStream("d:/class.xml");
String content = "<?xml version=1.0?><stu><name>test</name></stu>";
os.write(content.getBytes());
反正是从数据库里读出的字符串,那就直接往文件里写呗,是这意思吗?