testgridbaglayout.java~23~

提供了常用的JAVA技术的示例

package GridBaglayout;

import java.awt.*;
import java.util.*;

public class TestGridBaglayout {
    Frame f;
    protected void makebutton(String name,GridBagLayout gridbag,GridBagConstraints c){
        Button button=new Button(name);
        gridbag.setConstraints(button,c);
        f.add(button);
    }
    public void create(){
        f=new Frame("TestGridBaglayout");
        GridBagLayout gridbag=new GridBagLayout();
        GridBagConstraints c=new GridBagConstraints();

        f.setLayout(gridbag);

        c.fill=GridBagConstraints.BOTH;
        //c.fill=c.BOTH;
        c.weightx=1.0;
        makebutton("1",gridbag,c);
        makebutton("2",gridbag,c);

        c.gridwidth=c.REMAINDER;
        makebutton("3",gridbag,c);

        c.insets=new Insets(-10,-10,-10,-10);
        c.fill=GridBagConstraints.BOTH;
        c.gridwidth=2;
        c.weightx=0.0;
        makebutton("4",gridbag,c);

        c.insets=new Insets(0,0,0,0);
        c.gridwidth=GridBagConstraints.RELATIVE;
        makebutton("5",gridbag,c);

        c.gridwidth=GridBagConstraints.REMAINDER;
        makebutton("6",gridbag,c);

        c.gridheight=0;
        c.gridwidth=c.RELATIVE;
        c.weighty=1.0;
        c.anchor=GridBagConstraints.EAST;
        makebutton("7",gridbag,c);

        c.weighty=0.0;
        c.gridwidth=GridBagConstraints.RELATIVE;
        c.gridheight=1;
        makebutton("8",gridbag,c);
        makebutton("9",gridbag,c);

        f.setSize(500,300);
        f.setVisible(true);
    }

    public static void main(String[] args) {
      TestGridBaglayout test = new TestGridBaglayout();
      test.create();
    }
}