mainframe.java

java网络高级编程的配套源码,java网络高级编程为清华出版社出版.

/*源程序清单6-10*/

package priority;

import java.awt.*;
import borland.jbcl.control.DecoratedFrame;
import com.sun.java.swing.*;
import borland.jbcl.layout.*;
import java.awt.event.*;

public class MainFrame extends DecoratedFrame
{
  JSlider jSlider2 = new JSlider();
  JSlider jSlider3 = new JSlider();
  JSlider jSlider1 = new JSlider();
  JSlider jSlider5 = new JSlider();
  JSlider jSlider4 = new JSlider();
  Button button1 = new Button();
  VerticalFlowLayout verticalFlowLayout1 = new VerticalFlowLayout();

  public MainFrame()
  {
    try
    {
      jbInit();
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception
  {
    this.setLayout(verticalFlowLayout1);
    this.setSize(new Dimension(400, 197));
    this.setTitle("线程竞争");
    button1.setLabel("退出");
    button1.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        button1_actionPerformed(e);
      }
    });
    this.add(jSlider1, null);
    this.add(jSlider2, null);
    this.add(jSlider3, null);
    this.add(jSlider4, null);
    this.add(jSlider5, null);
    this.add(button1, null);
    jSlider2.setMaximum(1000000);
    jSlider1.setMaximum(1000000);
    jSlider3.setMaximum(1000000);
    jSlider5.setMaximum(1000000);
    jSlider4.setMaximum(1000000);
    for(int i=1;i<6;i++)
    {
      TestThread testThread=new TestThread(this,i);
      if(i==1)
        testThread.setPriority(Thread.MIN_PRIORITY);
      else if(i==2)
        testThread.setPriority(Thread.MIN_PRIORITY+2);
      else if(i==3)
        testThread.setPriority(Thread.MIN_PRIORITY+4);
      else if(i==4)
        testThread.setPriority(Thread.MIN_PRIORITY+6);
      else if(i==5)
        testThread.setPriority(Thread.MIN_PRIORITY+8);
      testThread.start();              
    }
  }

  void setJSlider(int location,int type)
  {
    if(type==1)
      jSlider2.setValue(location);
    else if(type==2)
      jSlider1.setValue(location);
    else if(type==3)
      jSlider3.setValue(location);
    else if(type==4)
      jSlider4.setValue(location);
    else if(type==5)
      jSlider5.setValue(location);
  }

  public static void main(String[] args)
  {
    MainFrame frame=new MainFrame();
    frame.setLocation(100,100);
    frame.setSize(500,200);
    frame.show();
  }

  void button1_actionPerformed(ActionEvent e)
  {
    System.exit(0);
  }
}