📄 zuoye1.java
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/* * To change this template, choose Tools | Templates * and open the template in the editor. *//** * * @author Administrator *///import com.sun.org.apache.regexp.internal.REDebugCompiler;import java.awt.*;import java.awt.event.ActionListener;import java.awt.event.ActionEvent;import javax.swing.*;import java.awt.event.*;public class ZuoYe1 extends JFrame implements ActionListener{ JCheckBox checkbox1,checkbox2; JRadioButton blue, red; JButton OK; private JTextArea text ; private ButtonGroup bgt=new ButtonGroup (); public ZuoYe1(){ Container container= getContentPane(); container.setLayout(new BorderLayout()); JPanel p1=new JPanel(); p1.setLayout(new BorderLayout()); JPanel p2=new JPanel(); p2.setLayout(new GridLayout(2,1)); p2.add(checkbox1=new JCheckBox("checkbox1")); p2.add(checkbox2=new JCheckBox("checkbox2")); JPanel p3=new JPanel(); p3.setLayout(new GridLayout(2,1)); p3.add (blue=new JRadioButton("blue")); p3.add (red=new JRadioButton("red")); bgt.add(blue); bgt.add(red); p1.add(p2,BorderLayout.WEST); p1.add(p3,BorderLayout.CENTER); container.add(p1,BorderLayout.NORTH); container.add(text=new JTextArea(""),BorderLayout.CENTER); container.add(OK=new JButton("OK"),BorderLayout.SOUTH); checkbox1.addActionListener(this); checkbox2.addActionListener(this); red.addActionListener(this); blue.addActionListener(this); OK.addActionListener(this); } public void actionPerformed(ActionEvent e){ if(e.getSource() == checkbox1){ text.append("check1 is select"+"\n"); } if(e.getSource() == checkbox2){ text.append("checkbox2 is select"+ "\n"); } if(e.getSource() == red){ text.setBackground(Color.red); } if(e.getSource() == blue){ text.setBackground(Color.blue); } if(e.getSource() == OK){ text.append("Butten is beaten"+ "\n"); } } public static void main(String[] args){ ZuoYe1 frame=new ZuoYe1(); frame.setTitle("example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(400,250); frame.setVisible(true); }}
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