beansaver.java

来自「网上书店」· Java 代码 · 共 64 行

package com.bitc.store;
//定义Bean所属的套件

import java.io.*;

public class BeanSaver
{
	
	public boolean save(Object obj, String filename)  //建构子
	{
		boolean result = true;
	
		try
		{
			FileOutputStream fos = 
			 	new FileOutputStream(filename);
			//建立FileOutputStream物件

			ObjectOutputStream oos = 
	  		  	new ObjectOutputStream(fos);
			//建立ObjectOutputStream物件

			oos.writeObject(obj);
			//将物件写入档案
			
			oos.close(); //关闭物件
		}
		catch(Exception ex)	
		{	
			result = false; //设定回传写入失败
			System.out.println(ex.toString());
		}
		
		return result; //回传物件是否成功写入档案
	}

	public Object load(String filename)  //建构子
	{
		Object obj = null;

		try
		{
			FileInputStream fis = 
			 	new FileInputStream(filename);
			//建立FileInputStream物件

			ObjectInputStream ois = 
	  		  	new ObjectInputStream(fis);
			//建立ObjectInputStream物件

			obj = ois.readObject();
			//从档案读取物件
			
			ois.close(); //关闭物件			
		}
		catch(Exception ex)	
		{	
			System.out.println(ex.toString());
		}
		
		return obj; //回传从档案读取出的物件
	}	
}