大型网站和小企业站优化思路,传媒公司的业务范围,网站开发基础学习,山西网站开发培训我想要做的是在框架内组织五个单独的JPanel.输出应该是这样的#xff1a;顶部会有一个面板.顶部面板正下方的两个面板垂直分割空间,然后另外两个面板水平分割剩余空间.我无法弄清楚如何组织如上所述的面板,我认为这是因为我只是不知道正确的语法.所以任何帮助或建议都非常感谢…我想要做的是在框架内组织五个单独的JPanel.输出应该是这样的顶部会有一个面板.顶部面板正下方的两个面板垂直分割空间,然后另外两个面板水平分割剩余空间.我无法弄清楚如何组织如上所述的面板,我认为这是因为我只是不知道正确的语法.所以任何帮助或建议都非常感谢这里是我迄今为止的代码.import java.lang.String.*;import java.lang.Exception.*;import javax.swing.*;import java.awt.*;import java.awt.event.*;public class Display extends JFrame implements ActionListener{// instance variablesprivate static final int FRAME_WIDTH 400;private static final int FRAME_HEIGHT 350;private static final int FRAME_X_ORIGIN 150;private static final int FRAME_Y_ORIGIN 150;private static final int BUTTON_WIDTH 90;private static final int BUTTON_HEIGHT 30;private JButton readFile;private JButton exit;private JButton stats;private JButton blank;private JCheckBox avgHomeworkScore;private JCheckBox avgTestScore;private JCheckBox sdHomeworkScore;private JCheckBox sdTestScore;private JRadioButton buttonOne;private JRadioButton buttonTwo;private JRadioButton buttonThree;private JRadioButton buttonFour;private JPanel header;private JPanel statistics;private JPanel courses;private JPanel display;private JPanel action;public static void main(String[] args){Display frame new Display();frame.setVisible(true);}public Display(){Container contentPane;//Set the frame propertiessetSize (FRAME_WIDTH, FRAME_HEIGHT);setResizable (false);setTitle (CSCE155A Course Offerings Viewer);setLocation (FRAME_X_ORIGIN, FRAME_Y_ORIGIN);contentPane getContentPane();contentPane.setLayout(new GridLayout());contentPane.setBackground( Color.white );//header//Create and Place the Buttons on the framereadFile new JButton(Read File);readFile.setBounds(4, 285, BUTTON_WIDTH, BUTTON_HEIGHT);exit new JButton(Exit);exit.setBounds(100, 285, BUTTON_WIDTH, BUTTON_HEIGHT);stats new JButton(Stats);stats.setBounds(195, 285, BUTTON_WIDTH, BUTTON_HEIGHT);blank new JButton(Clear);blank.setBounds(290, 285, BUTTON_WIDTH, BUTTON_HEIGHT);action new JPanel(new FlowLayout());action.setBackground(Color.blue);action.add(readFile);action.add(exit);action.add(stats);action.add(blank);contentPane.add(action);//Register this frame as an Action listener of the buttonsreadFile.addActionListener(this);exit.addActionListener(this);stats.addActionListener(this);blank.addActionListener(this);//Create and Place the checkboxes on the frameavgHomeworkScore new JCheckBox();avgHomeworkScore.setMnemonic(KeyEvent.VK_H);contentPane.add(avgHomeworkScore);avgHomeworkScore.setSelected(true);avgTestScore new JCheckBox();avgTestScore.setMnemonic(KeyEvent.VK_T);avgTestScore.setSelected(true);sdHomeworkScore new JCheckBox();sdHomeworkScore.setMnemonic(KeyEvent.VK_S);sdHomeworkScore.setSelected(true);sdTestScore new JCheckBox();sdTestScore.setMnemonic(KeyEvent.VK_D);sdTestScore.setSelected(true);statistics new JPanel(new GridLayout(0,1));contentPane.add(statistics);statistics.add(avgHomeworkScore);statistics.add(avgTestScore);statistics.add(sdHomeworkScore);statistics.add(sdTestScore);avgHomeworkScore.addActionListener(this);avgTestScore.addActionListener(this);sdHomeworkScore.addActionListener(this);sdTestScore.addActionListener(this);//create the radio buttonsbuttonOne new JRadioButton();buttonOne.setMnemonic(KeyEvent.VK_1);buttonOne.setSelected(true);buttonTwo new JRadioButton();buttonTwo.setMnemonic(KeyEvent.VK_2);buttonThree new JRadioButton();buttonThree.setMnemonic(KeyEvent.VK_3);buttonFour new JRadioButton();buttonFour.setMnemonic(KeyEvent.VK_4);ButtonGroup group new ButtonGroup();group.add(buttonOne);group.add(buttonTwo);group.add(buttonThree);group.add(buttonFour);buttonOne.addActionListener(this);buttonTwo.addActionListener(this);buttonThree.addActionListener(this);buttonFour.addActionListener(this);courses new JPanel(new GridLayout(0,1));courses.setBackground(Color.blue);courses.add(buttonOne);courses.add(buttonTwo);courses.add(buttonThree);courses.add(buttonFour);contentPane.add(courses);//Exit program when the viewer is closedsetDefaultCloseOperation(EXIT_ON_CLOSE);}