save.java

用java写的浏览器的服务器和客户端程序

/**
 * Email: [e-mail]
 *
 * @author taorundong
 * @version 1.00 07/02/05
 */
 
 //to test the restoration and onload of the names
 
 import java.io.*;
 import java.util.*;
 
 public class Save{
 	
 	People [] person = null;
 	FileInputStream input = null;
 	FileOutputStream output = null;
 	File file = null;
 	Hashtable hashTable = null;
 	String s = null;
 	
 	Save(){
 		
 		hashTable = new Hashtable();
 		
 		try{
 			file = new File("file.txt");
 			input = new FileInputStream(file);
 			output = new FileOutputStream(file);
 		}
 		catch(Exception e){
 			e.printStackTrace();
 		}
 		person = new People[3];
 		
 		person[0] = new People("one");
 		person[1] = new People("two");
 		person[2] = new People("three");
 		save();
 		load();
 		setHashTable();
 		
 	}
 	
 	public void save(){
 		for(int i=0;i<3;i++){
 			try{
 				output.write((person[i].getName()+'\n').getBytes());
 			}
 			catch(Exception e){
 				e.printStackTrace();
 			}
 		}
 		try{
 			output.close();
 		}
 		catch(Exception e){
 			e.printStackTrace();
 		}
 	}
 	
 	public void load(){
 		byte [] buf = new byte[1024];
 		int b = 0;
 		try{
 			while((b=input.read(buf,0,1024)) != -1){
 	 			s =new String(buf,0,b);
 	 			String temp = s.substring(0,s.lastIndexOf('\n'));
 			}
 		}
 		catch(Exception e){
 			e.printStackTrace();
 		}
 		try{
 			input.close();
 		}
 		catch(Exception e){
 			e.printStackTrace();
 		}
 		
 	}
 	
 	//The key of the Hashtable must be not the same
 	//So here will show you some warning information when you built the program
 	public void setHashTable(){
 		People [] person = new People[3];
 		for(int i=0;i<s.length();i++){
 			int index = s.indexOf('\n');
 			String temp = s.substring(0,index);
 			System.out.print(temp);
 			s = s.substring(index+1);
 			person[i] = new People(temp);
 			hashTable.put(temp,person[i]);
 		}
 		
 	}
 	
 	public static void main(String args[]){
 		new Save();
 	}
 }