Swing —— JButton几个小示例

转自：http://blog.csdn.net/tuxq5721

public class HTMLTextButtonExample extends JFrame {
    HTMLTextButtonExample(String title) {
        super(title);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JButton okButton = new JButton("Ok", new ImageIcon("bullet.gif"));
        okButton.setHorizontalAlignment(SwingConstants.LEFT);
        okButton.setMnemonic('O');

        getContentPane().add(okButton, BorderLayout.CENTER);

        okButton = new JButton("Cancel");
        okButton.setVerticalAlignment(SwingConstants.BOTTOM);
        // 指定该按钮为窗体中的默认按钮
        okButton.setDefaultCapable(true);

        getContentPane().add(okButton, BorderLayout.EAST);
        getRootPane().setDefaultButton(okButton);

        setSize(200, 100);
        setVisible(true);
    }

    public static void main(String[] args) {
        new HTMLTextButtonExample("Button Demo");
    }
}

package button;

import java.awt.BorderLayout;
import java.awt.Color;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JToolTip;

public class CreateToolTipExample {

	public static void main(String args[]) {
		JFrame frame = new JFrame("Tooltip");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		JPanel panel = new JPanel();
		panel.setToolTipText("Tooltip
Message");
		frame.add(panel, BorderLayout.CENTER);

		JButton button = new JButton("Hello, World") {
			public JToolTip createToolTip() {
				JToolTip tip = super.createToolTip();
				tip.setBackground(Color.YELLOW);
				tip.setForeground(Color.RED);
				return tip;
			}

			public boolean contains(int x, int y) {
				if (x < 100) {
					setToolTipText("x < 100");
				} else {
					setToolTipText("else");
				}
				return super.contains(x, y);
			}
		};

		button.setToolTipText("Hello, World");
		frame.add(button, BorderLayout.NORTH);

		frame.setSize(300, 150);
		frame.setVisible(true);
	}
}

public class ButtonColorExample {
	public static void main(String args[]) throws Exception {
		JFrame frame = new JFrame("UIDefaults Example");
		frame.setDefaultCloseOperation(3);
		Container c = frame.getContentPane();
		UIManager.put("Button.background", Color.WHITE);
		UIManager.put("Button.foreground", Color.BLACK);
		Font f = new Font("微软雅黑", Font.ITALIC, 24);
		UIManager.put("Button.font", f);

		JButton north = new JButton("北");
		JButton south = new JButton("南");
		JButton east = new JButton("东");
		JButton west = new JButton("西");
		JButton center = new JButton("Center");
		c.add(north, BorderLayout.NORTH);
		c.add(south, BorderLayout.SOUTH);
		c.add(east, BorderLayout.EAST);
		c.add(west, BorderLayout.WEST);
		c.add(center, BorderLayout.CENTER);
		frame.pack();
		frame.setVisible(true);
	}
}