closeframe2.java

java的事件处理例子

/**
 *　学生管理系统第二个页面
 */
import java.awt.Toolkit;
import java.awt.Image;
import java.awt.Container;
import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

class CloseFrame2 extends JFrame
{
	private static final int WIDTH = 400;
	private static final int HEIGHT = 300;
	private JFrame parFrame;
	
	public CloseFrame2(JFrame frame)
	{
		parFrame = frame;
		Container con = getContentPane();//得到了内容窗格
		
		setSize(WIDTH, HEIGHT);//设置框架的大小
		setTitle("学生管理系统第二个页面");//设置框架的标题
		setResizable(false);//设置用户不可以改变框架的大小
		
		CloseButtonPanel panel = new CloseButtonPanel(this);//得到定制的面板
		con.add(panel);//
	}
	
	class CloseButtonPanel extends JPanel
	{
		public CloseButtonPanel(JFrame subFrame)
		{
			JButton closeNewFrameButton = new JButton("Close New Frame");
			add(closeNewFrameButton);
			closeNewFrameButton.addActionListener(new CloseNewFrameAction(subFrame));
			setBackground(Color.green);
		}	
	}
	
	class CloseNewFrameAction implements ActionListener
	{
		private JFrame subFrame;
		
		public CloseNewFrameAction(JFrame subFrame)
		{
			this.subFrame = subFrame;
		}
		public void actionPerformed(ActionEvent e)
		{
			subFrame.hide();
			parFrame.show();
		}
	}
}