compare.java

很好得jbuilder100例源代码

package untitled2;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import com.borland.jbcl.layout.*;

public class compare extends Applet {
  int i = 1,j = 1;
  double x = -1,y = -1;
  boolean flag1 = false;
  boolean flag2 = false;
  boolean isStandalone = false;
  XYLayout xYLayout1 = new XYLayout();
  Button button1 = new Button();
  Label label1 = new Label();
  Label label2 = new Label();
  Label label3 = new Label();
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }

  /**Construct the applet*/
  public compare() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    button1.setLabel("重玩");
    button1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button1_actionPerformed(e);
      }
    });
    this.setLayout(xYLayout1);
    this.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        this_mousePressed(e);
      }
    });
    label2.setText("player1");
    label3.setText("player2");
    this.add(button1,  new XYConstraints(221, 207, 60, 23));
    this.add(label1,  new XYConstraints(38, 233, 159, 24));
    this.add(label2,  new XYConstraints(46, 21, 76, 24));
    this.add(label3,  new XYConstraints(212, 19, 71, 28));
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  void this_mousePressed(MouseEvent e) {
     if(!flag1){
        flag1 = true;
        label1.setText("轮到player1");
     }
     else{
        if(!flag2){
             x = 100 * Math.random();
             label1.setText("轮到player2");
             flag2 = !flag2;
             repaint();
        }
        else{
             y = 100 * Math.random();
             label1.setText("轮到player1");
             flag2 = !flag2;
             repaint();
        }
      }
   }
   public void paint(Graphics g){
       if(flag2){
          if(x!=-1){
              g.drawString(String.valueOf(x),30,60+20*i);
              i += 1;
          }
       }
       else{
           if( y!= -1){
              g.drawString(String.valueOf(y),150,60+20*j);
              j += 1;
           }
       }
       if((x>-1)&&(y>-1)){
           if(x>y)
              label1.setText("player1 win");
           else
              label1.setText("player2 win");
           x = -1;
           y = -1;
       }
    }
  public void clear(Graphics g){
     g.clearRect(20,20,300,300);
  }
  void button1_actionPerformed(ActionEvent e) {
       x = -1;
       y = -1;
       flag1 = false;
       clear(this.getGraphics());
  }
  public void update(Graphics g){
     paint(g);
  }
}