进程并发演示模型.doc

import java.awt.*;import java.awt.event.*;import javax.swing.*;public class CZFrame extends JFrame implements ActionListenerCZThread thread1,thread2,thread3;JButton wait1=new JButton(等待),wait2=new JButton(等待),wait3=new JButton(等待 );JButton exit=new JButton(退出);JLabel name=new JLabel(作者：谢滨宇);public CZFrame(int n1,int n2,int n3)setTitle(进程并发演示模型);setSize(500,550);setVisible(true);thread1=new CZThread(n1);thread2=new CZThread(n2);thread3=new CZThread(n3);Container container=getContentPane();container.setLayout(null);container.add(thread1.panel);container.add(thread2.panel);container.add(thread3.panel);wait1.setBounds(400,150,70,30);wait2.setBounds(400,250,70,30);wait3.setBounds(400,350,70,30);exit.setBounds(200,450,70,30);container.add(wait1);container.add(wait2);container.add(wait3);container.add(exit);wait1.addActionListener(this);wait2.addActionListener(this);wait3.addActionListener(this);exit.addActionListener(this);JLabel label=new JLabel(进程并发演示模型);Font font=new Font(宋体,Font.BOLD,16);label.setFont(font);label.setBounds(175,20,180,50);container.add(label);name.setBounds(400,40,100,50);container.add(name);thread1.start();thread2.start();thread3.start();public void actionPerformed(ActionEvent e)Object s=e.getSource();if(s=exit)/*thread1.suspend();thread2.suspend();thread3.suspend();*/int i=JOptionPane.showConfirmDialog(null,确认退出吗?,退出,JOptionPane.YES_NO_OPTION); if(i=0) System.exit(0); /*thread1.resume();thread2.resume();thread3.resume();*/else if(s=wait1)tryif(thread1.st=0) thread1.suspend(); thread1.st=1; wait1.setText(执行); thread1.num-; else thread1.resume(); thread1.st=0; wait1.setText(等待); thread1.num+;catch(Exception e1)else if(s=wait2)tryif(thread2.st=0) thread2.suspend(); thread2.st=1; wait2.setText(执行); thread1.num-; else thread2.resume(); thread2.st=0; wait2.setText(等待); thread1.num+;catch(Exception e1)elsetryif(thread3.st=0) thread3.suspend(); thread3.st=1; wait3.setText(执行); thread1.num-; else thread3.resume(); thread3.st=0; wait3.setText(等待); thread1.num+;catch(Exception e1)public static void main(String args)int n1=0,n2=1,n3=2;CZFrame frame=new CZFrame(n1,n2,n3);frame.setDefaultCloseOperation(EXIT_ON_CLOSE);frame.show();class CZThread extends ThreadCZPanel panel;int st=0;static int num=3;public CZThread(int n)panel=new CZPanel(n);panel.setBounds(0,130+n*100,380,60);public void S()public void run()trywhile(true)while(panel.m=20&panel.flag=1)panel.repaint();sleep(20*num); panel.m=20;panel.flag=0;catch(Exception e)private class CZPanel extends JPanel public CZPanel(int n)this.n=n;public void paintComponent(Graphics g)super.paintComponent(g);g.setColor(Color.white);g.fillRect(20,0,359,59);g