drawpolygondemo.java

来自「初学的好东西值得一看看欢迎下载观看使用」· Java 代码 · 共 24 行

import javax.swing.JApplet;
import java.awt.Graphics;
import java.awt.Color;
public class DrawPolygonDemo extends JApplet{
	//第1组点坐标
	int[] xPoints1={10,20,30,40,50};
	int[] yPoints1={25,15,45,35,55};
	//第2组点坐标
	int[] xPoints2={60,70,80,90,100,110};
	int[] yPoints2={65,15,35,95,55,85};
	//第3组点坐标
	int[] xPoints3={150,120,180};
	int[] yPoints3={65,25,30};
	public void init(){
		setBackground(Color.yellow);  //设置applet窗口背景色
	}
	public void paint(Graphics g){
		g.drawPolygon(xPoints1,yPoints1,5);  //绘制第1组多边形
		g.fillPolygon(xPoints2,yPoints2,6);  //绘制和填充第2组多边形(黑色)
		g.setColor(Color.red);
		g.fillPolygon(xPoints3,yPoints3,3);  //绘制和填充第3组多边形(红色)
	}
}