if (o.toString().equals("提交"))

                       {

                           setBackground(Color.cyan);

                           String s="";

                           s="房屋位于"+c.getSelectedItem()+""+p2.getText()                                     

                                                +t1.getText()+p3.getText();

                           for(int i=1;i<10;i++)

                                 if(ch[i].getState()==true)

                                       s=s+ch[i].getLabel()+"";

                           t.append(s);

                           removeAll();

                           add(t);

                       }

                       else

                          System.exit(0);

                       validate();

                  }

                 return(true);

             }

             public static void main (String args[])

             {

                  Gui21 k=new Gui21();

                  k.setSize(350,300);

                  k.show();