Topic: 帮忙看一下错在哪里了阿? 谢谢!

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1.帮忙看一下错在哪里了阿? 谢谢! Copy to clipboard
Posted by: gdcfjy
Posted on: 2006-10-06 13:21

import java.awt.*;
import java.awt.event.*;

class liao{
    Frame fr;
    Button bt1;
    Panel pnl1;
    Panel pnl2;
    TextField txt;
    TextArea txtget;
    
  public void init()
  {
    fr=new Frame();
    bt1=new Button("ok");
    pnl1=new Panel();
    pnl2=new Panel();
    txt=new TextField();
    txtget=new TextArea();
    fr.add(pnl1);
    pnl1.add(bt1);
    pnl1.add(txt);
    txt.addActionListener(this);
    fr.add(pnl2);
    pnl2.add(txtget);
    
  }
  
  public void event()
  {
    
   public void actionPerformed(ActionEvent bt1)
    {
      txtget.setText(txt.getText() );
    }
    
    fr.addWindowListener(new WindowAdapter())
    {
      public void Closing(WindowEvent e)
      {
       System.exit(0);
      }
    }
  
  }
  public static void main(String[] arg)
  {
    fr.init();
    fr.event();
    
  }  
  }

2.Re:帮忙看一下错在哪里了阿? 谢谢! [Re: gdcfjy] Copy to clipboard
Posted by: zqailc
Posted on: 2006-11-10 21:17

既然有事件,怎么没有注册监听器呢?implements ActionListener

3.Re:帮忙看一下错在哪里了阿? 谢谢! [Re: gdcfjy] Copy to clipboard
Posted by: lisliefor
Posted on: 2006-11-11 21:08

txt.addActionListener(this);
有问题,你的类liao并没有实现ActionListener接口!
lz写的event()方法,不知道出于何种目的。


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