使用EXE4J和Inno Setup 编译器将java程序打包成windows桌面应用安装程序

java项目结构如下:

 

 

Demo是模仿程序快照，主要设计两个按钮：保存快照和恢复快照；

保存快照将对象(窗口)序列化保存下来，后面无论做了什么操作，只要点击恢复快照，

就会读取之前保存的序列化的对象。

 

package demo;

import java.awt.BorderLayout;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

/**
 * 提供保存快照和恢复快照方法的类
 * @date    2019年3月11日下午3:58:55
 * @version 1.0
 */
class Snapshot{
    //快照文件
    String snapshotFile = "E:/Snapshot.dat";
    
    //保存快照
    public void saveSnapshot(MyFrame myFrame) throws IOException {
        FileOutputStream fout = null;
        ObjectOutputStream out = null;//对象输出流
        
        try {
            fout = new FileOutputStream(snapshotFile);
            out = new ObjectOutputStream(fout);//构造对象输出流
            out.writeObject(myFrame);//序列化
        } catch (FileNotFoundException e) {
            System.out.println("建立快照文件失败");
            e.printStackTrace();
        } catch (IOException e) {
            System.out.println("写出发生了I/O异常");
            e.printStackTrace();
        }finally {
            if (out != null) {
                out.close();//只关闭处理流
            }
        }
    }
    
    public MyFrame loadSnapshot() throws IOException{//读取快照
        MyFrame myFrame = null;//存放恢复的窗口
        FileInputStream fin = null;
        ObjectInputStream in = null;//对象输入流
        
        try {
            fin =  new FileInputStream(snapshotFile);
            in = new ObjectInputStream(fin);//构造对象输入流
            myFrame = (MyFrame)in.readObject();//反序列化
        } catch (FileNotFoundException e) {
            System.out.println("读取快照文件失败");
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            System.out.println("找不到相应的类");
            e.printStackTrace();
        } catch (IOException e) {
            System.out.println("读取发生I/O异常");
            e.printStackTrace();
        }finally {
            if (in != null) {
                in.close();
            }
        }
        
        return myFrame;
    }
    
}

//实现Serializable接口的类的对象才能被序列化
class MyFrame extends JFrame implements ActionListener, Serializable{
    /** serialVersionUID*/
    private static final long serialVersionUID = -8045215058120011473L;
    /*更改java默认标题栏图标*/
    
    JButton save = new JButton("保存快照");
    JButton Load = new JButton("恢复快照");
    
    JPanel panel = new JPanel();
    
    JTextArea textArea = new JTextArea("初始文字"); 
    JScrollPane scrollPane = new JScrollPane(textArea);
    //不序列化此字段
    transient Snapshot snapshot = new Snapshot();
    
    //snapshot字段的setter方法
    public void setSnapshot(Snapshot snapshot) {
        this.snapshot = snapshot;
    }
    
    public MyFrame() {
        initUI();
        save.addActionListener(this);
        Load.addActionListener(this);
    }

    private void initUI() {
        
        // C:\\Users\\Administrator\\Desktop\\sna\\img\\ds.ico
        // /img/ds.ico
        
        String img_path = "/img/tanke.jpg";
            
        //Image img = ImageIO.read(this.getClass().getResource(img_path));
        Image img = (Toolkit.getDefaultToolkit().getImage(this.getClass().getResource(img_path)));
        setIconImage(img);
        
        setLayout(new BorderLayout());
        textArea.setLineWrap(true);
        add(scrollPane, BorderLayout.CENTER);
        panel.add(save);
        panel.add(Load);
        add(panel, BorderLayout.SOUTH);
        setTitle("程序快照机");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(200,140);
        
        
    }

    @Override
    public void actionPerformed(ActionEvent e) {//当控件被激活时，jvm将传递ActionEvent对象通知
        
        
        try{
            if(e.getSource() == save){
                snapshot.saveSnapshot(this);
                System.out.println(e);
            }else {
                //否则单击的是恢复快照的按钮
                MyFrame f = snapshot.loadSnapshot();
                //此行不可少，因为为序列化MyFrame类的snapshot字段
                f.setSnapshot(new Snapshot());
                f.setVisible(true);//显示恢复原来的窗口
                this.dispose();//关闭原来的窗口
            }
        }catch (Exception e1) {
            System.out.println("保存快照时发生I/O错误");
        }
        
        
    }
    
}


public class SnapshotDemo {
    
    public static void main(String[] args) {
        MyFrame demo = new MyFrame();
        demo.setVisible(true);
        
    }
    
}

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