Go语言视频零基础入门到精通

javalearner

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class TestFrame extends JFrame{
   public JPanel testPanel = null;
   public JButton testButton = null;
   public JFrame testFrame = null;
   public TestFrame(){
      try
         {
           UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
      }catch (Exception ex) {
            System.out.println("Exception: " + ex);
      }
      testFrame = this;
      Dimension dimensions = Toolkit.getDefaultToolkit().getScreenSize();
      setSize(dimensions.width /2, dimensions.height /2);
      setLocation(dimensions.width/2-dimensions.width/4,dimensions.height/2-dimensions.height/4);
      testPanel= new JPanel();
      testButton= new JButton("开始线程");
      testPanel.add(testButton);
      getContentPane().add(testPanel);
      testButton.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
            TestThread testThread = new TestThread();//新生成一个处理事务线程
            testThread.start();
            (new ThreadDiag(testFrame,testThread,"正在执行程序，请等待")).start();
        }
      });
      addWindowListener(new WindowAdapter(){
          public void windowClosing(WindowEvent e) {
           System.exit(0);
          }
       });
  }
    public static void main(String[] args) {
         TestFrame testFrame2 = new TestFrame();
         testFrame2.setTitle("线程等待测试");
          testFrame2.show();
    }
}

class TestThread extends Thread{
  public void run(){
         for (int i = 1; i < 100000 ; i++ ){
                System.out.println(i);
         }
   }
}

class ThreadDiag extends Thread{
   private Thread currentThread = null;//实际调用时就是TestThread事务处理线程
   private String messages = "";//提示框的提示信息
   private JFrame parentFrame = null;//提示框的父窗体
   private JDialog clueDiag = null;// "线程正在运行"提示框
   private Dimension dimensions = Toolkit.getDefaultToolkit().getScreenSize();
   private int width = dimensions.width / 4, height = 60;
   private int left = 0, top = 0;
   public ThreadDiag(JFrame parentFrame, Thread currentThread, String messages){
     this.parentFrame = parentFrame;
     this.currentThread = currentThread;
     this.messages = messages;
     initDiag();//初始化提示框
    }

   protected void initDiag(){
     clueDiag = new JDialog(parentFrame,"正在执行，请等待...",false);
     clueDiag.setCursor(new Cursor(Cursor.WAIT_CURSOR));
     JPanel testPanel = new JPanel();
     JLabel testLabel = new JLabel(messages);
     clueDiag.getContentPane().add(testPanel);
     testPanel.add(testLabel);
     (new DisposeDiag()).start();//启动关闭提示框线程
   }
   public void run(){
    //显示提示框
    int left = (dimensions.width - width)/2;
    int top = (dimensions.height - height)/2;
    clueDiag.setSize(new Dimension(width,height));
    clueDiag.setLocation(left, top);
    clueDiag.show();
   }
   
  class DisposeDiag extends Thread{
    public void run(){
    try{
          currentThread.join();//等待事务处理线程结束
    }catch(InterruptedException e){
         System.out.println("Exception:" + e);
    }  
    clueDiag.dispose();//关闭提示框
   }
  }
}  

  
  
   
   

     
   

     
   
  
  

源码下载：http://file.javaxxz.com/2014/10/31/235536000.zip