testgridbaglayout.java

Java语言

import java.awt.*;
import java.awt.event.*;
public class TestGridBagLayout{
	public static void main(String args[]){
		MyGridBagLayout myGrid=new MyGridBagLayout();	
	}	
}
class MyGridBagLayout extends Frame{
	MyGridBagLayout(){
		super("演示GridBagLayout布局");
		this.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
			dispose();
			System.exit(0);
		}});
//	setSize(600,600);
//	setVisible(true);   
//	pack();
	
	GridBagLayout gridbag=new GridBagLayout();
	GridBagConstraints c=new GridBagConstraints();
	setFont(new Font("Times New Roman",Font.PLAIN,20));//设置显示字体
	setLayout(gridbag);
	c.fill=GridBagConstraints.BOTH;
	c.weightx=0.0;
	makebutton("组件1",gridbag,c);
	makebutton("组件2",gridbag,c);
	makebutton("组件3",gridbag,c);
	c.gridwidth=GridBagConstraints.REMAINDER;
	makebutton("组件4",gridbag,c);
	
	c.weightx=1.0;
	makebutton("组件5",gridbag,c);	
	
	c.gridwidth=GridBagConstraints.RELATIVE;
	makebutton("组件6",gridbag,c);		
	c.gridwidth=GridBagConstraints.REMAINDER;
	makebutton("组件7",gridbag,c);		

	c.gridwidth=1;
	c.gridheight=2;
	c.weighty=0.0;
	makebutton("组件8",gridbag,c);	
	
	c.weighty=1.0;
	c.gridwidth=GridBagConstraints.REMAINDER;	
	c.gridheight=1;
	makebutton("组件9",gridbag,c);	
	makebutton("组件10",gridbag,c);	

	setSize(400,400);
	setVisible(true);
//	pack();

	}
	void makebutton(String name,GridBagLayout gridbag,GridBagConstraints c){
		Button button=new Button(name);
		gridbag.setConstraints(button,c);
		add(button);	
	}
}