详细解读Java五子棋游戏的源代码-课程设计

import java.awt.*; import java.awt.event.*; class ChessPad extends Panel implements MouseListener, ActionListener { int x = -1, y = -1, 棋子颜色 = 1; Button button = new Button("重新开局"); TextField text_1 = new TextField("请黑棋下子"), text_2 = new TextField(); ChessPad() { setSize(440, 440); setLayout(null); setBackground(Color.orange); addMouseListener(this); add(button); button.setBounds(10, 5, 60, 26); button.addActionListener(this); add(text_1); text_1.setBounds(90, 5, 90, 24); add(text_2); text_2.setBounds(290, 5, 90, 24); text_1.setEditable(false); text_2.setEditable(false); } public void paint(Graphics g) { for (int i = 40; i <= 380; i = i + 20) { g.drawLine(40, i, 400, i); } g.drawLine(40, 400, 400, 400); for (int j = 40; j <= 380; j = j + 20) { g.drawLine(j, 40, j, 400); } g.drawLine(400, 40, 400, 400); g.fillOval(97, 97, 6, 6); g.fillOval(337, 97, 6, 6); g.fillOval(97, 337, 6, 6); g.fillOval(337, 337, 6, 6); g.fillOval(217, 217, 6, 6); } public void mousePressed(MouseEvent e) { if (e.getModifiers() == InputEvent.BUTTON1_MASK) { x = (int) e.getX(); y = (int) e.getY(); ChessPoint_black chesspoint_black = new ChessPoint_black(this); ChessPoint_white chesspoint_white = new ChessPoint_white(this); int a = (x + 10) / 20, b = (y + 10) / 20; if (x / 20 < 2 || y / 20 < 2 || x / 20 > 19 || y / 20 > 19) { } else { if (棋子颜色 == 1) { this.add(chesspoint_black); chesspoint_black .setBounds(a * 20 - 10, b * 20 - 10, 20, 20); 棋子颜色 = 棋子颜色 * (-1); text_2.setText("请白棋下子"); text_1.setText(""); } else if (棋子颜色 == -1) { this.add(chesspoint_white); chesspoint_white .setBounds(a * 20 - 10, b * 20 - 10, 20, 20); 棋子颜色 = 棋子颜色 * (-1); text_1.setText("请黑棋下子"); text_2.setText(""); } } } } public void mouseReleased(MouseEvent e) { } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mouseClicked(MouseEvent e) { } public void actionPerformed(ActionEvent e) { this.removeAll(); 棋子颜色 = 1; add(button); button.setBounds(10, 5, 60, 26); add(text_1); text_1.setBounds(90, 5, 90, 24); text_2.setText(""); text_1.setText("请黑棋下子"); add(text_2); text_2.setBounds(290, 5, 90, 24); } } class ChessPoint_black extends Canvas implements MouseListener { ChessPad chesspad = null; ChessPoint_black(ChessPad p) { setSize(20, 20); chesspad = p; addMouseListener(this); } public void paint(Graphics g) { g.setColor(Color.black); g.fillOval(0, 0, 20, 20); } public void mousePressed(MouseEvent e) { if (e.getModifiers() == InputEvent.BUTTON3_MASK) { chesspad.remove(this); chesspad.棋子颜色 = 1; chesspad.text_2.setText(""); chesspad.text_1.setText("请黑棋下子"); } } public void mouseReleased(MouseEvent e) { } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mouseClicked(MouseEvent e) { if (e.getClickCount() >= 2) chesspad.remove(this); } } class ChessPoint_white extends Canvas implements MouseListener { ChessPad chesspad = null; ChessPoint_white(ChessPad p) { setSize(20, 20); addMouseListener(this); chesspad = p; } public void paint(Graphics g) { g.setColor(Color.white); g.fillOval(0, 0, 20, 20); } public void mousePressed(MouseEvent e) { if (e.getModifiers() == InputEvent.BUTTON3_MASK) { chesspad.remove(this); chesspad.棋子颜色 = -1; chesspad.text_2.setText("请白棋下子"); chesspad.text_1.setText(""); } } public void mouseReleased(MouseEvent e) { } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mouseClicked(MouseEvent e) { if (e.getClickCount() >= 2) chesspad.remove(this); } }