Java之线程———GUI线程（包含打字游戏和计时器俩个GUI实列）

  1 package tes;
  2 
  3 import java.awt.Color;
  4 import java.awt.FlowLayout;
  5 import java.awt.Font;
  6 import java.awt.event.ActionEvent;
  7 import java.awt.event.ActionListener;
  8 
  9 import javax.swing.JFrame;
 10 import javax.swing.JLabel;
 11 import javax.swing.JTextField;
 12 
 13 /*
 14  * 模拟一个打字游戏
 15  * */
 16 public class Example12_11 
 17 {
 18     public static void main(String args [])
 19     {
 20         Wndow wnd= new Wndow();
 21       wnd.setTitle("打字游戏");
 22       wnd.setSleepTime(3000);
 23     }
 24 }
 25 
 26 class Wndow extends JFrame implements ActionListener ,Runnable
 27 {
 28     JTextField  inputLetter;
 29     JLabel showLetter,showScore;
 30     int score;
 31     Thread giveLetter;    //生成字母
 32     Wndow()
 33     {    
 34        init();
 35        setBounds(100, 100, 400, 240);
 36       //setBackground(Color.green);
 37       setVisible(true);
 38       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 39     }
 40     void init()
 41     {
 42          score=0;
 43       setLayout(new FlowLayout());
 44       giveLetter = new Thread(this);
 45       inputLetter = new JTextField(6);
 46       showLetter = new JLabel(" ",JLabel.CENTER);
 47       showLetter.setFont(new Font("Arial",Font.BOLD,22));
 48       showScore =new JLabel("分数：");
 49       add(new JLabel("显示字母："));
 50       add(showLetter);
 51       add(new JLabel("输入字母按回车"));
 52       add(inputLetter);
 53       inputLetter.addActionListener(this);
 54       add(showScore);
 55       giveLetter.start();
 56     }
 57     
 58     @Override
 59     public void run() {
 60         // TODO Auto-generated method stub
 61     //    String reg="[a-zA-Z]+";   //正则表达式
 62         int type[]={65,97};
 63         while(true)
 64        {
 65          char cc=(char)(((int)(Math.random()*100))%26+type[(int)(Math.random()*1000)%2]);
 66          //if(reg.matches(""+cc+""))
 67          {
 68            showLetter.setText(""+cc+" ");
 69             validate();   //更改容器，所以得用上
 70           try {
 71                Thread.sleep(1000);
 72           }  catch (InterruptedException e) {
 73             // TODO Auto-generated catch block
 74             //e.printStackTrace();
 75           }
 76         }
 77        }    
 78     }
 79     @Override
 80     public void actionPerformed(ActionEvent e) {
 81         // TODO Auto-generated method stub
 82         String get = inputLetter.getText().trim();  /*trim()方法的作用为删除多余的空格*/
 83         String show =showLetter.getText().trim();
 84         if(get.equals(show))
 85         {
 86             score++;
 87             showScore.setText(""+score+" ");
 88             validate();
 89         }
 90         inputLetter.setText(null);
 91         giveLetter.interrupt(); //吵醒休眠的线程，以便加快出字母的速度
 92     }
 93     void  setSleepTime(long aa)
 94     {
 95         try {
 96             Thread.sleep(aa);
 97         } catch (InterruptedException e) {
 98             // TODO Auto-generated catch block
 99             e.printStackTrace();
100         }
101     }
102     }

  1 package tes;
  2 
  3 import java.awt.FlowLayout;
  4 import java.awt.Font;
  5 import java.awt.event.ActionEvent;
  6 import java.awt.event.ActionListener;
  7 import java.io.IOException;
  8 import java.text.SimpleDateFormat;
  9 import java.util.Date;
 10 
 11 import javax.swing.JButton;
 12 import javax.swing.JFrame;
 13 import javax.swing.JTextArea;
 14 
 15 
 16 public class Example12_12 {
 17     public static void main(String args [])
 18      {
 19         wndowThread wnd = new wndowThread();
 20        wnd.setTitle("计时器");
 21      }
 22 }                                                            
 23 
 24 class wndowThread extends JFrame implements ActionListener,Runnable
 25 {
 26     Thread givetime;
 27     JTextArea showtime;
 28     JButton start,end;
 29     Date showdate;
 30     boolean flag=false,judge=true;
 31     SimpleDateFormat myformat = new SimpleDateFormat("hh:mm:ss");
 32     wndowThread()
 33     {
 34     
 35       setSize(400, 240);       /*大小*/
 36       setLocation(100, 100);   /*窗口位置*/
 37       init();
 38       setVisible(true);        /*可视*/
 39       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);      
 40     }
 41     void init()
 42     {
 43         givetime = new Thread(this);
 44         showtime = new JTextArea(10,30);
 45         /*showtime.setLocation(10, 8);*/
 46         start =new JButton("START");
 47         start.setFont(new Font("Arial",Font.BOLD,22));
 48         start.addActionListener(this);
 49         end = new JButton("END");
 50         end.addActionListener(this);
 51         end.setFont(new Font("Arial",Font.BOLD,22));
 52         setLayout(new FlowLayout());
 53         add(start);
 54         add(end);
 55         add(showtime);
 56         givetime.start();
 57     }
 58     @Override
 59     public void actionPerformed(ActionEvent e) {
 60         // TODO Auto-generated method stub
 61         if(e.getSource()==start)
 62         {
 63             //先判断线程是否结束
 64             if(!(givetime.isAlive()))
 65             {
 66               givetime =new Thread(this);
 67                flag=false;
 68                judge=true;
 69             }
 70              try {
 71                    givetime.start();
 72             } catch (Exception e1) {
 73                 // TODO Auto-generated catch block
 74               judge=false;
 75               showtime.setText("线程没有结束run方法之前，不要再调用start方法.");
 76               validate();
 77             }
 78         }
 79         else if(e.getSource()==end)
 80         {
 81           flag=true;
 82           if(judge==false)
 83           {
 84            showtime.setText("");
 85            validate();
 86           }
 87         }
 88     }    
 89     
 90     @Override
 91     public void run() {
 92         // TODO Auto-generated method stub
 93         while(true) {       
 94            if(flag==true) return ;
 95            showdate =new Date();
 96            showtime.append("\n\t\t"+myformat.format(showdate));
 97            try {
 98               Thread.sleep(1000);
 99            } catch (InterruptedException e) {
100             // TODO Auto-generated catch block
101             e.printStackTrace();
102            }
103        }
104     }
105     
106 }