GridBagLayout练手，开始菜单八列圣经。-优快云博客

本文链接：https://blog.youkuaiyun.com/www_oracle_com/article/details/139206654
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

public class Main extends JFrame implements ActionListener, KeyListener {
    public static void main(String[] args) {
        Main m = new Main();
        m.setBounds(0, 0, 1000, 700);
        m.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        m.setExtendedState(JFrame.MAXIMIZED_BOTH);

        //m.pack();
        m.setVisible(true);

    }

    public Main() {
        this.setJMenuBar(this.jmb());
        this.addKeyListener(this);
        this.jp.addKeyListener(this);
        this.add(this.jp());
    }

    public JMenuBar jmb() {
        JMenuBar jmb = new JMenuBar();
        JButton jb = new JButton("start");
        jb.addKeyListener(this);
        jb.addActionListener(this);
        jmb.add(jb);
        return jmb;
    }

    JPanel jp = new JPanel();

    public JPanel jp() {
        jp.addKeyListener(this);
        String[] s = {"创世记", "出埃及记", "利未记", "民数记", "申命记", "约书亚记", "士师记", "路得记", "撒母耳记上", "撒母耳记下", "列王纪上", "列王纪下", "历代志上", "历代志下", "以斯拉记", "尼希米记", "以斯帖记", "约伯记", "诗篇", "箴言", "传道书", "雅歌", "以赛亚书", "耶利米书", "耶利米哀歌", "以西结书", "但以理书", "何西阿书", "约珥书", "阿摩司书", "俄巴底亚书", "约拿书", "弥迦书", "那鸿书", "哈巴谷书", "西番雅书", "哈该书", "撒迦利亚书", "玛拉基书", "马太福音", "马可福音", "路加福音", "约翰福音", "使徒行传", "罗马书", "哥林多前书", "哥林多后书", "加拉太书", "以弗所书", "腓立比书", "歌罗西书", "帖撒罗尼迦前书", "帖撒罗尼迦后书", "提摩太前书", "提摩太后书", "提多书", "腓利门书", "希伯来书", "雅各书", "彼得前书", "彼得后书", "约翰壹书", "约翰贰书", "约翰叁书", "犹大书", "启示录"};
        JButton[] jb = new JButton[s.length];
        GridBagLayout gbl = new GridBagLayout();

        GridBagConstraints gbc = new GridBagConstraints();
        jp.setLayout(gbl);
        //gbc.fill = GridBagConstraints.BOTH;
        //gbc.anchor = GridBagConstraints.CENTER;

        JLabel jl1 = new JLabel("律法书");
        jl1.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 0;
        gbc.gridy = 0;
        jp.add(jl1, gbc);
        for (int i = 0; i < 5; i++) {
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.RED);
            jb[i].setForeground(Color.WHITE);
            gbc.gridx = 0;
            gbc.gridy = i + 1;
            // gbc.weightx = 1;
            // gbc.weighty = 1;


            jp.add(jb[i], gbc);
        }
        JLabel jl2 = new JLabel("历史书");
        jl2.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 1;
        gbc.gridy = 0;
        jp.add(jl2, gbc);
        for (int i = 5; i < 17; i++) {
            gbc.gridx = 1;
            gbc.gridy = i - 4;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.ORANGE);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        JLabel jl3 = new JLabel("诗歌·智慧书");
        jl3.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 2;
        gbc.gridy = 0;
        jp.add(jl3, gbc);
        for (int i = 17; i < 22; i++) {
            gbc.gridx = 2;
            gbc.gridy = i - 16;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.YELLOW);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        JLabel jl4 = new JLabel("先知书");
        jl4.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 3;
        gbc.gridy = 0;
        jp.add(jl4, gbc);
        for (int i = 22; i < 39; i++) {
            gbc.gridx = 3;
            gbc.gridy = i - 21;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.GREEN);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        JLabel jl5 = new JLabel("四福音");
        jl5.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 4;
        gbc.gridy = 0;
        jp.add(jl5, gbc);
        for (int i = 39; i < 43; i++) {
            gbc.gridx = 4;
            gbc.gridy = i - 38;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.CYAN);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        JLabel jl6 = new JLabel("教会历史");
        jl6.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 5;
        gbc.gridy = 0;
        jp.add(jl6, gbc);
        for (int i = 43; i < 44; i++) {
            gbc.gridx = 5;
            gbc.gridy = i - 42;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.BLUE);
            jb[i].setForeground(Color.WHITE);
            jp.add(jb[i], gbc);
        }
        JLabel jl7 = new JLabel("书信");
        jl7.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 6;
        gbc.gridy = 0;
        jp.add(jl7, gbc);
        for (int i = 44; i < 65; i++) {
            gbc.gridx = 6;
            gbc.gridy = i - 43;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.MAGENTA);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        JLabel jl8 = new JLabel("对约翰的启示");
        jl8.setFont(new Font("微软雅黑", Font.BOLD, 20));
        gbc.gridx = 7;
        gbc.gridy = 0;
        jp.add(jl8, gbc);
        for (int i = 65; i < 66; i++) {
            gbc.gridx = 7;
            gbc.gridy = i - 64;
//gbc.weightx = 1;
            // gbc.weighty = 1;
            jb[i] = new JButton(s[i]);
            jb[i].setFont(new Font("", Font.BOLD, 14));
            jb[i].setBackground(Color.PINK);
            jb[i].setForeground(Color.BLACK);
            jp.add(jb[i], gbc);
        }
        for (int i = 0; i < s.length; i++) {
            jb[i].addActionListener(this);
            jb[i].addKeyListener(this);
        }
        return jp;
    }


    public void actionPerformed(ActionEvent e) {
        String s = e.getActionCommand();
        System.out.println(s);
        if (s.equals("start")) {
            if (this.jp.isVisible()) {
                this.jp.setVisible(false);
            } else {
                this.jp.setVisible(true);
            }
        } else {
            this.jp.setVisible(false);
        }
    }


    public void keyPressed(KeyEvent e) {
        int i = e.getKeyCode();
        if (i == 10) {
            if (this.jp.isVisible()) {
                this.jp.setVisible(false);
            } else {
                this.jp.setVisible(true);
            }
        }
    }

    public void keyTyped(KeyEvent e) {

    }

    public void keyReleased(KeyEvent e) {

    }
}