本文实例讲述了java之swing实现复选框的方法。分享给大家供大家参考。具体如下:
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import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class test extends JApplet
implements ItemListener{
JTextField jtf;
public void init(){
Container contentPane = getContentPane();
contentPane.setLayout( new FlowLayout());
ImageIcon a1 = new ImageIcon( "D:/data/Images/6.gif" );
ImageIcon a2 = new ImageIcon( "D:/data/Images/7.gif" );
ImageIcon a3 = new ImageIcon( "D:/data/Images/8.gif" );
JCheckBox cb = new JCheckBox( "C" , a1);
cb.setRolloverIcon(a2);
cb.setSelectedIcon(a3);
cb.addItemListener( this );
contentPane.add(cb);
cb = new JCheckBox( "C++" , a1);
cb.setRolloverIcon(a2);
cb.setSelectedIcon(a3);
cb.addItemListener( this );
contentPane.add(cb);
cb = new JCheckBox( "java" , a1);
cb.setRolloverIcon(a2);
cb.setSelectedIcon(a3);
cb.addItemListener( this );
contentPane.add(cb);
jtf = new JTextField( 15 );
contentPane.add(jtf);
}
public void itemStateChanged(ItemEvent ie){
JCheckBox cb = (JCheckBox)ie.getItem();
jtf.setText(cb.getText());
}
}
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希望本文所述对大家的java程序设计有所帮助。