java农夫过河图形界面代码

以下是一个简单的 Java 农夫过河图形界面代码：

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class FarmerGame extends JFrame implements ActionListener {

    private JButton farmer;
    private JButton wolf;
    private JButton goat;
    private JButton cabbage;
    private JButton goButton;
    private JLabel message;
    private JPanel leftBank;
    private JPanel rightBank;

    private boolean farmerLeft = true;
    private boolean wolfLeft = true;
    private boolean goatLeft = true;
    private boolean cabbageLeft = true;

    public FarmerGame() {
        super("农夫过河");

        // 创建组件
        farmer = new JButton("农夫");
        wolf = new JButton("狼");
        goat = new JButton("羊");
        cabbage = new JButton("白菜");
        goButton = new JButton("前往对岸");
        message = new JLabel("请将所有物品都带到对岸");

        leftBank = new JPanel();
        leftBank.setBorder(BorderFactory.createTitledBorder("左岸"));
        leftBank.setLayout(new GridLayout(2, 2));
        leftBank.add(farmer);
        leftBank.add(wolf);
        leftBank.add(goat);
        leftBank.add(cabbage);

        rightBank = new JPanel();
        rightBank.setBorder(BorderFactory.createTitledBorder("右岸"));
        rightBank.setLayout(new GridLayout(2, 2));

        // 添加组件
        add(leftBank, BorderLayout.WEST);
        add(rightBank, BorderLayout.EAST);
        add(goButton, BorderLayout.SOUTH);
        add(message, BorderLayout.NORTH);

        // 添加事件监听器
        farmer.addActionListener(this);
        wolf.addActionListener(this);
        goat.addActionListener(this);
        cabbage.addActionListener(this);
        goButton.addActionListener(this);

        // 设置窗口大小、位置和关闭方式
        setSize(400, 300);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == goButton) {

            // 判断是否成功到达对岸
            if (!farmerLeft && !wolfLeft && !goatLeft && !cabbageLeft) {
                message.setText("恭喜你成功到达对岸！");
                return;
            }

            // 判断是否有物品被狼吃掉
            if (!farmerLeft && wolfLeft && !goatLeft && !cabbageLeft) {
                message.setText("狼吃掉了羊！");
                return;
            }

            // 判断是否有物品被羊吃掉
            if (!farmerLeft && !wolfLeft && goatLeft && !cabbageLeft) {
                message.setText("羊吃掉了白菜！");
                return;
            }

            // 判断是否有物品被农夫单独带走
            if (farmerLeft && !wolfLeft && goatLeft && !cabbageLeft) {
                message.setText("农夫单独带走了羊！");
                return;
            }

            // 判断是否有物品被农夫带走后狼吃掉
            if (farmerLeft && !wolfLeft && !goatLeft && cabbageLeft) {
                message.setText("农夫带走了白菜，狼吃掉了羊！");
                return;
            }

            // 判断是否有物品被农夫带走后羊吃掉
            if (farmerLeft && wolfLeft && !goatLeft && !cabbageLeft) {
                message.setText("农夫带走了羊，羊吃掉了白菜！");
                return;
            }

            // 判断是否有物品被农夫带走后狼和羊吃掉
            if (farmerLeft && !wolfLeft && !goatLeft && !cabbageLeft) {
                message.setText("农夫带走了狼和羊，狼吃掉了羊！");
                return;
            }

            // 判断是否可以前往对岸
            if (farmerLeft) {
                message.setText("农夫必须在场！");
                return;
            }

            if (wolfLeft && !goatLeft && !cabbageLeft) {
                message.setText("狼会吃羊！");
                return;
            }

            if (!wolfLeft && goatLeft && cabbageLeft) {
                message.setText("羊会吃白菜！");
                return;
            }

            // 前往对岸
            farmerLeft = false;

            if (wolfLeft) {
                wolfLeft = false;
                leftBank.remove(wolf);
                rightBank.add(wolf);
            } else {
                wolfLeft = true;
                rightBank.remove(wolf);
                leftBank.add(wolf);
            }

            if (goatLeft) {
                goatLeft = false;
                leftBank.remove(goat);
                rightBank.add(goat);
            } else {
                goatLeft = true;
                rightBank.remove(goat);
                leftBank.add(goat);
            }

            if (cabbageLeft) {
                cabbageLeft = false;
                leftBank.remove(cabbage);
                rightBank.add(cabbage);
            } else {
                cabbageLeft = true;
                rightBank.remove(cabbage);
                leftBank.add(cabbage);
            }

            leftBank.remove(farmer);
            rightBank.add(farmer);
            message.setText("请在对岸选择物品带回来");
        } else if (e.getSource() == farmer) {
            if (farmerLeft) {
                leftBank.remove(farmer);
                rightBank.add(farmer);
            } else {
                rightBank.remove(farmer);
                leftBank.add(farmer);
            }
        } else if (e.getSource() == wolf) {
            if (farmerLeft && wolfLeft) {
                leftBank.remove(wolf);
                rightBank.add(wolf);
                wolfLeft = false;
            } else if (!farmerLeft && !wolfLeft) {
                rightBank.remove(wolf);
                leftBank.add(wolf);
                wolfLeft = true;
            }
        } else if (e.getSource() == goat) {
            if (farmerLeft && goatLeft) {
                leftBank.remove(goat);
                rightBank.add(goat);
                goatLeft = false;
            } else if (!farmerLeft && !goatLeft) {
                rightBank.remove(goat);
                leftBank.add(goat);
                goatLeft = true;
            }
        } else if (e.getSource() == cabbage) {
            if (farmerLeft && cabbageLeft) {
                leftBank.remove(cabbage);
                rightBank.add(cabbage);
                cabbageLeft = false;
            } else if (!farmerLeft && !cabbageLeft) {
                rightBank.remove(cabbage);
                leftBank.add(cabbage);
                cabbageLeft = true;
            }
        }
    }

    public static void main(String[] args) {
        new FarmerGame();
    }
}

注意：该代码只是一个简单的农夫过河游戏，可能存在一些不完善之处。如有需要，请自行进行修改和完善。