五子棋，无电脑，新手可参考。

import javax.imageio.ImageIO; import javax.swing.*; import java.awt.geom.*; import java.util.*; import java.awt.*; import javax.imageio.ImageIO; import java.io.File; import java.io.IOException; import javax.swing.event.*; import java.awt.event.*; public class Fivezi { JFrame frame = new JFrame(); JFrame tishi = new JFrame();// 提示输赢窗体 JLabel tishil = new JLabel(); JDialog tishid=new JDialog(frame,true); JPanel tiship = new JPanel(); Button chonglai = new Button(); Button quxiao = new Button(); Button qingkong = new Button(); // Panel_ a = new Panel_(); Cmp b = new Cmp(); public int count = 1;// 步数 public ArrayList<Line2D> line = new ArrayList<Line2D>();// 绘制棋盘 int x = 70;// 棋盘左上角点坐标 int y = 70; int xx = 24;// 棋盘线间的间隔 public ArrayList<Rectangle2D> zi = new ArrayList<Rectangle2D>();// 用于确定所点方块 Integer yanse[] = new Integer[500]; Qizi qq = new Qizi(); w current = new w(); // 棋子类 public class Qizi { public Integer qizi[][] = new Integer[15][15]; public Rectangle2D qizi1[][] = new Rectangle2D[15][15]; Qizi() { for (int i = 0; i < 15; i++) { for (int j = 0; j < 15; j++) { qizi1[i][j] = new Rectangle2D.Double(x - xx / 2 + xx * i, y - xx / 2 + xx * j, xx, xx); qizi[i][j] = 0; } } } } public class w { public int x; public int y; w() { x = 0; y = 0; } } // 左侧按钮类 /* * public class Panel_ extends Panel { Panel_() { qingkong.setSize(50, 20); * qingkong.setLabel("重新开始"); setSize(200, 500); // * setBackground(Color.BLUE); qingkong.setLocation(20, 20); * * * } * * } */ // 下棋界面 public class Cmp extends JPanel implements MouseListener { Cmp() { setSize(500, 500); setBackground(Color.black); addMouseListener(this); qingkong.setSize(50, 20); qingkong.setLabel("重新开始"); qingkong.setLocation(20, 20); add(qingkong); } // 绘制五子棋 public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; String twilight = "aaa.jpg"; File abbc = new File("aaa.jpg"); Toolkit toolkit = Toolkit.getDefaultToolkit(); Image image1 = toolkit.getImage("aaa.jpg"); g2.drawImage(image1, 0, 0, null); for (Line2D r : line) g2.draw(r); weizhirect(g); } // 找到鼠标所点矩形 public w find(Point2D p) { w temp = new w(); for (int i = 0; i < 15; i++) { for (int j = 0; j < 15; j++) { if (qq.qizi1[i][j].contains(p)) { temp.x = i; temp.y = j; return temp; } } } temp.x = -1; temp.y = -1; return temp; } // 鼠标事件 public void mouseEntered(MouseEvent e) { } // 鼠标点击时调用 public void mouseClicked(MouseEvent e) { current = find(e.getPoint()); if (current.x >= 0 && current.y >= 0) { if (qq.qizi[current.x][current.y] == 0) { if (count % 2 == 0) { qq.qizi[current.x][current.y] = 2; qiZishezhi(); int count11 = 1;// 横 int count12 = 1;// 竖 int count13 = 1;// 左协 int count14 = 1;// 右~用于判定四个方向是否有超过5的。 int flag11 = 1; int flag12 = 1; int flag13 = 1; int flag14 = 1; int flag15 = 1; int flag16 = 1; int flag17 = 1; int flag18 = 1; for (int i = 1; i < 15; i++) { if (current.x + i < 15) { if (qq.qizi[current.x + i][current.y] != 2) flag11 = 0; if (qq.qizi[current.x + i][current.y] == 2 && flag11 == 1) count11++; } if (current.x - i >= 0) { if (qq.qizi[current.x - i][current.y] != 2) flag12 = 0; if (qq.qizi[current.x - i][current.y] == 2 && flag12 == 1) count11++; } if (current.y + i < 15) { if (qq.qizi[current.x][current.y + i] != 2) flag13 = 0; if (qq.qizi[current.x][current.y + i] == 2 && flag13 == 1) count12++; } if (current.y - i >= 0) { if (qq.qizi[current.x][current.y - i] != 2) flag14 = 0; if (qq.qizi[current.x][current.y - i] == 2 && flag14 == 1) count12++; } if ((current.y - i >= 0) && (current.x - i >= 0)) { if (qq.qizi[current.x - i][current.y - i] != 2) flag15 = 0; if (qq.qizi[current.x - i][current.y - i] == 2 && flag15 == 1) count13++; } if ((current.y + i < 15) && (current.x + i < 15)) { if (qq.qizi[current.x + i][current.y + i] != 2) flag16 = 0; if (qq.qizi[current.x + i][current.y + i] == 2 && flag16 == 1) count13++; } if ((current.y + i < 15) && (current.x - i >= 0)) { if (qq.qizi[current.x - i][current.y + i] != 2) flag17 = 0; if (qq.qizi[current.x - i][current.y + i] == 2 && flag17 == 1) count14++; } if ((current.y - i >= 0) && (current.x + i < 15)) { if (qq.qizi[current.x + i][current.y - i] != 2) flag18 = 0; if (qq.qizi[current.x + i][current.y - i] == 2 && flag18 == 1) count14++; } } // 判定输赢 if (count11 >= 5 || count12 >= 5 || count13 >= 5 || count14 >= 5) { tishil.setText("白棋胜！"); tiship.add(tishil); tishid.add(tiship); tishid.setVisible(true); // tishi.add(tiship); //tishi.setAlwaysOnTop(true); // tishi.setVisible(true); } count++; } else if (count % 2 == 1) { qq.qizi[current.x][current.y] = 1; qiZishezhi(); int count21 = 1;// 横 int count22 = 1;// 竖 int count23 = 1;// 左协 int count24 = 1;// 右~用于判定四个方向是否有超过5的。 int flag11 = 1; int flag12 = 1; int flag13 = 1; int flag14 = 1; int flag15 = 1; int flag16 = 1; int flag17 = 1; int flag18 = 1; for (int i = 1; i < 15; i++) { if (current.x + i < 15) { if (qq.qizi[current.x + i][current.y] != 1) flag11 = 0; if (qq.qizi[current.x + i][current.y] == 1 && flag11 == 1) count21++; } if (current.x - i >= 0) { if (qq.qizi[current.x - i][current.y] != 1) flag12 = 0; if (qq.qizi[current.x - i][current.y] == 1 && flag12 == 1) count21++; } if (current.y + i < 15) { if (qq.qizi[current.x][current.y + i] != 1) flag13 = 0; if (qq.qizi[current.x][current.y + i] == 1 && flag13 == 1) count22++; } if (current.y - i >= 0) { if (qq.qizi[current.x][current.y - i] != 1) flag14 = 0; if (qq.qizi[current.x][current.y - i] == 1 && flag14 == 1) count22++; } if ((current.y - i >= 0) && (current.x - i >= 0)) { if (qq.qizi[current.x - i][current.y - i] != 1) flag15 = 0; if (qq.qizi[current.x - i][current.y - i] == 1 && flag15 == 1) count23++; } if ((current.y + i < 15) && (current.x + i < 15)) { if (qq.qizi[current.x + i][current.y + i] != 1) flag16 = 0; if (qq.qizi[current.x + i][current.y + i] == 1 && flag16 == 1) count23++; } if ((current.y + i < 15) && (current.x - i >= 0)) { if (qq.qizi[current.x - i][current.y + i] != 1) flag17 = 0; if (qq.qizi[current.x - i][current.y + i] == 1 && flag17 == 1) count24++; } if ((current.y - i >= 0) && (current.x + i < 15)) { if (qq.qizi[current.x + i][current.y - i] != 1) flag18 = 0; if (qq.qizi[current.x + i][current.y - i] == 1