90c940a77a06001c178a81f66604f71f

基于linux操作系统

package deng;

import java.awt.Checkbox;
import java.awt.Frame;

import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.*;
import javax.swing.plaf.basic.BasicComboBoxUI.ItemHandler;

public class MainWindow {

	/**
	 * @param args
	 */
	CheckboxGroup  cbg=new CheckboxGroup();
	  Checkbox chb=new Checkbox("默认",cbg,true);
	  Checkbox chb2=new Checkbox("自定义",cbg,false);
	  
	  JPanel panel2=new JPanel();//由于在内部类中要用到故单独将其作为全局变量
	  
	  
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
       MainWindow mainWin=new MainWindow();
       mainWin.init();
		
	}
	
	public void init(){
		
		JFrame frame=new JFrame("网络防火墙配置");
		
		frame.setBounds(500, 200, 300, 400);
		frame.setResizable(false);
		//frame.setBackground(Color.ORANGE);
		
		frame.setLayout(null);//手动指定各个组件的位置
		  JLabel label=new JLabel();
		  label.setText("请选择设置方式");
		  label.setBounds(10, 10, 100, 20);
		  
		  chb.setBounds(110, 10, 50,20);
		  chb.addItemListener(new MyItemListener());
		  
		  chb2.setBounds(170, 10, 50,20);
		  chb.addItemListener(new MyItemListener());
		    
			
//		第一个panel
		JPanel panel=new JPanel(); 
		  panel.setLayout(null);
		  panel.setBounds(0, 0, 300, 30);
		  panel.setBackground(Color.white);
		  panel.add(label);
		  panel.add(chb);
		  panel.add(chb2);
		  
		  
		  panel.setEnabled(false);
//		第二个panel
		
		  panel2.setLayout(null);
		  panel2.setBounds(0, 30, 300, 280);
		JLabel label2_1=new JLabel("信任的设备：");
		  label2_1.setBounds(10, 30, 90, 20);
		JLabel label2_2=new JLabel("允许的服务：");
		  label2_2.setBounds(10, 110, 90, 20);
		JPanel panel2_1=new JPanel();
		  panel2_1.setLayout(null);
		  panel2_1.setBounds(100, 20, 190, 50);
		  panel2_1.setBackground(Color.white);
		  Checkbox cbx0=new Checkbox("enh0");
		  Checkbox cbx1=new Checkbox("enh1");
		  cbx0.setBounds(0,0,50,15);
		  cbx1.setBounds(0,16,50,10);
		  panel2_1.add(cbx0);
		  panel2_1.add(cbx1);
		JPanel panel2_2=new JPanel();
		  panel2_2.setLayout(null);
		  panel2_2.setBounds(100, 95, 190, 225);
		  panel2_2.setBackground(Color.white);
		  
		  panel2.add(label2_1);
		  panel2.add(panel2_1);
		  panel2.add(label2_2);
		  panel2.add(panel2_2);
		
		  Checkbox cb=cbg.getSelectedCheckbox();
		    if(cb!=null)
		    	if(cb.getLabel().equals("默认"))
		    {
		    		System.out.print(cb.getLabel());
		    	panel2.setEnabled(false);
		    	panel2_1.setEnabled(false);
		    	panel2_2.setEnabled(false);
		    }
		
		
//		第三个panel		
		JPanel panel3=new JPanel();
		  panel3.setLayout(null);
		  panel3.setBounds(0, 320, 300, 80);
		  panel3.setBackground(Color.white);
		  JButton jb1=new JButton("确定");
		  JButton jb0=new JButton("取消");
		  jb1.setBounds(80, 15, 80, 25);
		  jb0.setBounds(180, 15, 80,25);
		  panel3.add(jb1);
		  panel3.add(jb0);
		  
		  frame.add(panel);
		  frame.add(panel2); 
		  frame.add(panel3);  
		
		frame.setVisible(true);
		
		
	}

	//内部类，单选按钮的监听器
	class MyItemListener implements ItemListener
	{

		public void itemStateChanged(ItemEvent e) {
			
			// TODO Auto-generated method stub
			
		 Checkbox cb=cbg.getSelectedCheckbox();
		    if(cb!=null)
		    	if(cb.getLabel().equals("默认"))
		    {
		    	panel2.setEnabled(false);
		    }
		    
			
		}
		
	}

}