borderlayoutexample.java

来自「Java课程中所有的可运行程序 全部都是java课程中所涉及到的源码」· Java 代码 · 共 39 行

import java.awt.*;
import java.applet.*;


public class GridBagLayoutExample extends Applet{
   Label txt=new Label("null");
   Button bnorth=new Button("North");
   Button bsouth=new Button("South");
   Button beast=new Button("East");
   Button bwest=new Button("West");

 public  void   init(){
GridBagLayout gridbag=new GridBagLayout()[
         this.setLayout(gridbag);
  GridBagConstraints c=new  GridBagConstraints();
  c.fill=GridBagConstraints.BOTH;
  c.weighty=1;
  c.gridwidth=GridBagConstraints.REMAINDER;
  gridbag.setConstraints(bnorth,c);
         add(bnorth);
         c.weightx=1;
         c.weighty=0;
         c.gridwidth=2;
         gridbag.setConstraints(bsouth,c);
         add(bsouth);
         c.gridheight=2;
         gridbag.setConstraints(beast,c);
         add(beast);
          c.gridwidth=GridBagConstraints.REMAINDER;
         gridbag.setConstraints(bwest,c);
         add(bwest);
         c.gridwidth=1;
          c.gridheight=1;
         gridbag.setConstraints(txt,c);
         add(txt);
    }


}