pic.java

来自「java编程100例」· Java 代码 · 共 49 行

package statistics;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class pic extends Applet {
  Color color1=new Color(255,0,0);
  Color color2=new Color(0,255,0);
  Color color3=new Color(0,0,255);
  boolean isStandalone = false;
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }
  public void paint(Graphics g){
  g.setColor(color1);
  g.drawString("统计图",40,60);
  g.fillArc(100,100,100,100,0,30);
  g.setColor(color2);
  g.fillArc(100,100,100,100,30,170);
  g.setColor(color3);
  g.fillArc(100,100,100,100,200,160);
  }
  /**Construct the applet*/
  public pic() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }
}