文件提前结束的原因

文件路径是没有错的，readXml1( )方法可以正常运行

package test_7;

import java.io.FileOutputStream;

import java.io.OutputStreamWriter;

import java.io.Writer;

import java.util.List;

import org.dom4j.Attribute;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

public class Lab_1 {

public void writexml() {

String file = "F:\\Study-Text\\java\\T1\\bin\\lab_1.xml";

SAXReader reader = new SAXReader();

try {

Document document = reader.read(file);

Element root = document.getRootElement();

Element employee = root.addElement("employee");

employee.addAttribute("num", "3012");

// employee.addElement("name","芳六");

Element name = employee.addElement("name");

name.setText("芳六");

employee.addElement("age", "18");

employee.addElement("salary", "5000");

Element department = employee.addElement("department");

department.addElement("dname", "调研部");

department.addElement("address", "XX大夏-B1302");

Writer writer = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");

document.write(writer);

writer.close();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void readXml1() {

String file = "F:\\Study-Text\\java\\T1\\bin\\lab_1.xml";

SAXReader reader = new SAXReader();

try {

Document document = reader.read(file);

Element root = document.getRootElement();

List<Element> employees = root.elements("employee");

for (Element employee : employees) {

System.out.println(employee.element("name").getText());

System.out.println(employee.elementText("age"));

System.out.println(employee.elementText("salary"));

Element department = employee.element("department");

System.out.println(department.elementText("dname"));

System.out.println(department.elementText("address"));

Attribute att = employee.attribute("num");

System.out.println(att.getText());

}

} catch (DocumentException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void readXml() {

String file = "F:\\Study-Text\\java\\T1\\bin\\lab_1.xml";

// String file ="../lab_1.xml";

// SAXReader类是读取XML的核心类，用于将xml读取后以树的形式保存在内存中

SAXReader reader = new SAXReader();

try {

Document document = reader.read(file);

// 获取XML文档的根节点，即hr标签

Element root = document.getRootElement();

List<Element> employees = root.elements("employee");

for (Element employee : employees) {

// element()用于获取唯一子节点对象

Element name = employee.element("name");

// getText()方法用于获取文本标签

String empName = name.getText();

System.out.println(empName);

System.out.println(employee.elementText("age"));

System.out.println(employee.elementText("salary"));

Element department = employee.element("department");

System.out.println(department.element("dname").getText());

System.out.println(department.elementText("address"));

Attribute att = employee.attribute("num");

System.out.println(att.getText());

}

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void main(String[] args) {

Lab_1 lab_1 = new Lab_1();

// lab_1.readXml1();

lab_1.writexml();

}

}