deserpanelframe.java

Java程序设计大学教程程序源代码

/*
 * DeserPanelFrame.java
 * 参见教程305页 示例程序10-8
 * Created on 2005年8月29日, 下午4:52
 */

package jbookch10;

import java.awt.*;
import java.io.*;
import javax.swing.*;
import javax.imageio.*;
import java.net.*;
public class DeserPanelFrame  extends JFrame {
    
    /** Creates a new instance of PanelFrame */
    public DeserPanelFrame(int width,int height) {
        setSize(width,height);//设置框架大小
        setTitle("Frame主窗体");//设置框架标题
        //将框架显示在屏幕正中
        Toolkit kit= Toolkit.getDefaultToolkit();
        Dimension screenSize=kit.getScreenSize();
        int x=(screenSize.width-width)/2;
        int y=(screenSize.height-height)/2;
        setLocation(x,y);//设置框架位置
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    
    private ContentPanel deserializePanel(String filename){
        ContentPanel p=null;
        try {
            FileInputStream inStream=new FileInputStream(filename);
            ObjectInputStream in = new ObjectInputStream(inStream);
            p =(ContentPanel)in.readObject();
            in.close();
        } catch(Exception e) {
            System.out.println(e);
        }
        return p;
    }
    
    public static void main(String args[]) {
        DeserPanelFrame frame=new  DeserPanelFrame(300,200);
        ContentPanel contentPanel = frame.deserializePanel("MyPanel.ser");
        //把恢复的面板添加到frame中;
        frame.setContentPane(contentPanel);
        frame.setVisible(true);
    }
}