java组件小计--JRadioButton单选框

package gui;          import java.awt.event.ActionEvent;import java.awt.event.ActionListener;          import javax.swing.BoxLayout;import javax.swing.ButtonGroup;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JRadioButton;import javax.swing.JTextField;          public class CheckNet extends JFrame {/**主面板**/JPanel mainPanel;/**单选框的面板**/JPanel netPanel;/**ip及端口号的面板**/JPanel txtPanel;/**按钮面板**/JPanel btnPanel;/**局域网跟互联网的单选框**/JRadioButton rBtnNet1,rBtnNet2;/**用来承装互斥组件的**/ButtonGroup buttonGroup;/**IP地址跟端口号的文本框**/JTextField ipTxt,portTxt;/**确定按钮**/JButton confirmBtn;/**取消按钮**/JButton cancelBtn;public CheckNet(IOTFrame iotFrame){mainPanel = new JPanel();rBtnNet1 = new JRadioButton("局域网",true);rBtnNet2 = new JRadioButton("互联网");buttonGroup = new ButtonGroup();netPanel = new JPanel();ipTxt = new JTextField();portTxt = new JTextField();ipTxt.setText("192.168.1.110");        portTxt.setText("8000");txtPanel = new JPanel();confirmBtn = new JButton("确定");cancelBtn = new JButton("取消");btnPanel = new JPanel();//设置主面板的布局mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));//设置单选框区的布局netPanel.setLayout(new BoxLayout(netPanel, BoxLayout.X_AXIS));buttonGroup.add(rBtnNet1);buttonGroup.add(rBtnNet2);//将单选项按钮加入ButtonGroup中，起到控件互斥作用，选择了1,2就变为不选中，选中了2,1便不选中。netPanel.add(rBtnNet1);netPanel.add(rBtnNet2);//就算加入了ButtonGroup，仍需把然rBtnNet1、rBtnNet2加入面板中。此处不可将buttonGroup加入JPanel。//设置IP地址及端口号的布局txtPanel.setLayout(new BoxLayout(txtPanel, BoxLayout.Y_AXIS));txtPanel.add(ipTxt);txtPanel.add(portTxt);//设置IP地址及端口号的布局btnPanel.setLayout(new BoxLayout(btnPanel, BoxLayout.X_AXIS));btnPanel.add(confirmBtn);btnPanel.add(cancelBtn);//主面板添加组件mainPanel.add(netPanel);mainPanel.add(txtPanel);mainPanel.add(btnPanel);add(mainPanel);pack();setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setLocation(300, 200);setResizable(false);        //实现监听CustomListener customListener = new CustomListener();rBtnNet1.addActionListener(customListener);rBtnNet2.addActionListener(customListener);//为确定按钮添加确定的事件, 即创建一个WorkSpace对象/*confirmBtn.addActionListener(new ConfirmButtonListener(this, editorFrame));*/confirmBtn.addActionListener(new ConfirmButtonListener(this,iotFrame));//为取消按钮添加退出事件cancelBtn.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {System.exit(0);}});}          class CustomListener implements ActionListener{  public void actionPerformed(ActionEvent evt)   {     JRadioButton rButton=(JRadioButton)evt.getSource();     if(rButton==rBtnNet1)       {                            ipTxt.setText("192.168.1.110");         portTxt.setText("8000");        // container.validate();//如果容器本身和它所包含的组件布局及其大小发生变化的化,调用该方法后能够使这种变化在界面上被反映出来       }               else if(rButton==rBtnNet2)       {                      ipTxt.setText("http://cn1913.88ip.org");         portTxt.setText("8000");        // container.validate();       }           }}                    /** * 确定按钮的监听器 * @author hp * */class ConfirmButtonListener implements ActionListener {private CheckNet checkNet;//private SpaceFrame spaceFrame;private IOTFrame iotFrame;//private EditorFrame editorFrame;//public ConfirmButtonListener(SpaceFrame spaceFrame, EditorFrame editorFrame) {//this.spaceFrame = spaceFrame;//this.editorFrame = editorFrame;//}public ConfirmButtonListener(CheckNet checkNet,IOTFrame iotFrame){this.checkNet = checkNet;this.iotFrame = iotFrame;};public void actionPerformed(ActionEvent arg0) {//调EditorFrame的initFrame方法初始化界面//editorFrame.initFrame(new WorkSpace(spaceFrame.getFolder(), editorFrame));//将EditorFrame设为可见iotFrame.setVisible(true);//editorFrame.setSize(900, 600);//让工作选择空间界面不可见   checkNet.setVisible(false);}}          }