VIP会员
购物车
私信
发表新帖
立即签到
关注
回复
支持(
反对(
首页上一页 1 下一页尾页 1 条记录 1/1页
帮忙找错 求指点
发表在Java图书答疑
2012-07-15
是否精华
是
否
版块置顶:
是
否
import java.awt.FlowLayout;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class DrawLineFrame extends JFrame{
class DrawLinePanel extends JPanel{
public void paint(Graphics g){
g.drawLine(70, 50, 180, 50);
g.drawLine(70, 80, 180, 80);
g.drawLine(110, 10, 140, 120);
}
}
DrawLineFrame(){
JPanel p=new DrawLinePanel();
Graphics g=getGraphics();
add(p);
setLayout(new FlowLayout());
}
public static void main(String[] args){
JFrame p1=new DrawLineFrame();
p1.setTitle("绘制直线");
p1.setSize(300, 400);
p1.setLocationRelativeTo(null);
p1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
p1.setVisible(true);
}
}
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class DrawLineFrame extends JFrame{
class DrawLinePanel extends JPanel{
public void paint(Graphics g){
g.drawLine(70, 50, 180, 50);
g.drawLine(70, 80, 180, 80);
g.drawLine(110, 10, 140, 120);
}
}
DrawLineFrame(){
JPanel p=new DrawLinePanel();
Graphics g=getGraphics();
add(p);
setLayout(new FlowLayout());
}
public static void main(String[] args){
JFrame p1=new DrawLineFrame();
p1.setTitle("绘制直线");
p1.setSize(300, 400);
p1.setLocationRelativeTo(null);
p1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
p1.setVisible(true);
}
}
分享到：
