testjpanel.java

来自「这是一张java应用教程的随书光盘」· Java 代码 · 共 15 行

import javax.swing.*; import java.awt.*;
class Mycanvas extends JPanel
{ public void paintComponent(Graphics g)
  { super.paintComponent(g);
    g.setColor(Color.red);  g.drawString("The sky is blue!",50,50);
  }
}
public class Testjpanel extends JApplet
{ Mycanvas canvas; JLabel label;
  public void init()
  { canvas=new Mycanvas();label=new JLabel("welcome to here");
    Container con=getContentPane();
    con.add(label,BorderLayout.NORTH); con.add(canvas,BorderLayout.CENTER); 
  }
}