java中边框的使用的代码

frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
Border etched=BorderFactory.createEtchedBorder();
Border titled=BorderFactory.createTitledBorder(etched,"Border type");//为边框创建标题
buttonPanel.setBorder(titled);
}
public static void main(String[] args)
{
BorderText frame=new BorderText();
frame.setTitle("BorderText(守护)");
frame.setSize(600,200);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
addRadioButton("Matte",BorderFactory.createMatteBorder(10, 10, 10, 10, Color.RED));//表示创建一个粗边框 参数分别表示上 下 左 右
addRadioButton("Empty",BorderFactory.createEmptyBorder());//创建一个空边框
setLayout(new GridLayout(2,1));
add(buttonPanel);
add(demoPanel);
}
public void addRadioButton(String buttonName,final Border b)//构造方法
{
JRadioButton button=new JRadioButton(buttonName);
public BorderText()
{
demoPanel=new JPanel();
buttonPanel=new JPanel);
addRadioButton("Lowered bevel",BorderFactory.createLoweredBevelBorder());//具有凹面或凸面效果的边框
import javax.swing.ButtonGroup;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
addRadioButton("Raised bevel",BorderFactory.createRaisedBevelBorder());
addRadioButton("Etched",BorderFactory.createEtchedBorder());//创建一个具有3D效果的边框
addRadioButton("Line",BorderFactory.createLineBorder(Color.BLUE));//创建具有颜色的直线边框
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
button.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
demoPanel.setBorder(b);
}
});
group.add(button);
buttonPanel.add(button);
import javax.swing.border.Border;
/**
*
* @author 守护
*
*/
public class BorderText extends JFrame
{
private JPanel demoPanel,buttonPanel;private ButtonGroup group;//私有的 后边能访问