java序列化存储读取文件.doc

package com.chen.test4; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.ArrayList; import java.util.List; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import junit.framework.TestCase; public class testSerializable extends TestCase { public void test(){ try { ObjectInputStream is = new ObjectInputStream(new FileInputStream(F:/xuliehua.txt)); ListUser temp = (ListUser) is.readObject();// 从流中读取User的数据 System.out.println(temp.size()); for(int i=0;itemp.size();i++){ System.out.println(temp.get(i).getId()); System.out.println(temp.get(i).getName()); } is.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } public testSerializable(){ InputStream inputStream=null; DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = null; try { builder = factory.newDocumentBuilder(); } catch (ParserConfigurationException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } Document document = null; try { // inputStream=(F:/NodeTree.xml); inputStream = new FileInputStream(F:/NodeTree.xml); document = builder.parse(inputStream); } catch (SAXException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // 节点部分 Element rootElement = document.getDocumentElement(); NodeList list = rootElement.getElementsByTagName(TreeNode); ListUser listdata = new ArrayListUser(); for (int i = 0; i li