griddemo.java

JAVA程序设计课程中各章节的程序实例。

/**
*A simple program using gridx and gridy in GridBagLayout
*2004.12.5. xhcprince
*/
import java.awt.*;
import java.awt.event.*;

public class gridDemo extends Frame
{
	Panel pTime = new Panel();
	Panel pApp = new Panel();
	TextField txTime = new TextField("09:00");
	TextField txApp = new TextField("Meeting ");
	GridBagLayout gb1 = new GridBagLayout();
	GridBagConstraints gbc = new GridBagConstraints();

	public static void main(String args[])
	{
		gridDemo gbc = new GBCal();
		gbc.setLayout(new FlowLayout());
	}

	public gridDemo()
	{
		pTime.add(txTime);
		pApp.add(txApp);
		setLayout(gb1);

		gbc.gridx = 0;
		gbc.gridy = 0;
		pTime.setBackground(Color.gray);;
		add(pTime,gbc);
		
		gbc.gridx = 1;
		gbc.gridy = 0;
		pApp.setBackground(Color.green);
		add(pApp,gbc);
		
		setSize(300,300);
		setVisible(true);
	}
}