JAVA实现操作系统页面置换和进程调度

【实例简介】

java实现进程调度页面置换算法，可视化

【实例截图】

【核心代码】

主窗口函数：

package main; import java.awt.*; import java.awt.event.*; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.*; import frame.MemoryFrame; import frame.ProcessFrame;  public class MainFrame extends JFrame{ private static final long serialVersionUID=1L;  public MainFrame(){
        setResizable(false);  setBounds(250,17,900,700);  setTitle("OS-模拟");  setLayout(null);  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  JMenuBar menuBar=new JMenuBar();  this.setJMenuBar(menuBar);  menuBar.setBackground(Color.black);  JMenu aaa = new JMenu("  ");  menuBar.add(aaa);  aaa.setEnabled(false);  // 帮助信息  JMenu help = new JMenu(" 说明 ");  String[] s = new String[] { "双击图标进入指定功能界面" };  for (int i = 0; i < 1; i  ) {
            help.add(new JMenuItem(s[i]));  }
        menuBar.add(help);  //开发组  JMenu people = new JMenu(" 项目信息 ");  String[] x = new String[] { "开发者：LuAo,PeiQianlong,ChenCong","开发日期：2020-3"};  for (int i = 0; i < 2; i  ) {
            people.add(new JMenuItem(x[i]));  }
        menuBar.add(people);  //mail  JMenu  mail = new JMenu(" 欢迎交流 ");  String[] z = new String[] { "邮箱：luaonb@hotmail.com" };  for (int i = 0; i < 1; i  ) {
            mail.add(new JMenuItem(z[i]));  }
        menuBar.add(mail);  } public static void main(String[] args) {
        JFrame frame=new MainFrame();  String plaf="com.sun.java.swing.plaf.windows.WindowsLookAndFeel";  try{
            UIManager.setLookAndFeel(plaf);  SwingUtilities.updateComponentTreeUI(frame);  }catch(Exception e){
            JOptionPane.showMessageDialog(null, e);  }
        frame.setVisible(true);  //图标  Toolkit tk=Toolkit.getDefaultToolkit();  Image image=tk.createImage("image/操作系统.png");  frame.setIconImage(image);  //背景  ImageIcon img=new ImageIcon("image/背景.jpg");//设置的图片路径  JLabel imgLabel=new JLabel(img);  frame.getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE));  imgLabel.setBounds(0,0,img.getIconWidth(), img.getIconHeight());  JPanel jp = (JPanel)frame.getContentPane();  jp.setOpaque(false);  //页面置换  JButton button2=new JButton();  button2.setBounds(20, 20, 50, 50);  ImageIcon logo2=new ImageIcon("image/置换.png");  button2.setIcon(logo2);  frame.add(button2);  button2.setBackground(Color.black);  JLabel lb2=new JLabel("页面置换");  lb2.setBounds(17, 74, 100, 20);;  frame.add(lb2);  frame.setLayout(null);  lb2.setForeground(Color.white);  lb2.setBackground(Color.white);  lb2.setFont(new Font("宋体", Font.BOLD, 14));  button2.addMouseListener(new MouseListener(){ public void mouseClicked(MouseEvent e) { if(e.getClickCount() == 2) new MemoryFrame();  } @Override  public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub  }});   //进程图标  JButton button3=new JButton();  button3.setBounds(20, 130, 50, 50);  ImageIcon logo3=new ImageIcon("image/调度.png");  button3.setIcon(logo3);  frame.add(button3);  button3.setBackground(Color.black);  JLabel lb3=new JLabel("进程调度");  lb3.setBounds(17, 186, 100, 20);;  frame.add(lb3);  frame.setLayout(null);  lb3.setForeground(Color.white);  lb3.setBackground(Color.white);  lb3.setFont(new Font("宋体", Font.BOLD, 14));  button3.addMouseListener(new MouseListener(){ public void mouseClicked(MouseEvent e) { if(e.getClickCount() == 2) new ProcessFrame();  } @Override  public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub  } @Override  public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub  }});   }
}