汇智学堂-JAVA小游戏（井字游戏-菜鸟版）

游戏执行的效果图：

import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

/**
*

• 程序入口

*/
public class ticktacktoe {
public static void main(String[] args) {
new DrawSee2();
}
}

class DrawSee2 extends JFrame {

private static final long serialVersionUID = 2L;

private Graphics jg;
private static final int w2=200;//格子的宽度
private static final int x1=100;//起点X坐标
private static final int y1=100;//起点Y坐标
private static final int x2=700;//终点X坐标
private static final int y2=700;//终点Y坐标

private int[][] position; // 存放游戏数据的二维数组

public Color c=Color.RED; 
private int isEnd2=0;

/**
 * DrawSee构造方法
 */
public DrawSee2() {
    
    setBounds(300, 50, 800, 800);//设置画布大小        
    this.setTitle("雷雷的井子游戏");       
    setVisible(true);
    
    //二维数组初始化
    
    position=new int[3][3];
    for(int i=0;i<3;i++){
    	for(int j=0;j<3;j++) {
    		position[i][j]=0;
    	}
    }   

    try {                      
        Thread.sleep(500);
    } catch (Exception e) {
        e.printStackTrace();
    }      

    // 获取专门用于在窗口界面上绘图的对象
    jg =  this.getGraphics();
    
    // 绘制游戏区域
    paintComponents(jg);
    
    
    // 添加鼠监听事件，当鼠标点击时触发
    this.addMouseListener(new MouseAdapter() {
        
        // 定义鼠标点击事件响应过程
        @Override
        public void mouseClicked(MouseEvent e) {
            
        	// 如果游戏结束，返回，不执行后面的代码                
            if(isEnd2==1) {                    
                JOptionPane.showMessageDialog(null,"游戏结束", "消息提示", JOptionPane.INFORMATION_MESSAGE);
                return;
            }   

            //获取鼠标点击的那一点的x，y坐标
            int x = e.getX(), y = e.getY();               
            int dx = (x - x1) / w2, dy = (y - y1) / w2;               
            int newx=dx*w2+x1,newy=dy*w2+y1;
            
           paintComponents2(jg,newx,newy,200,200);//将棋子落在准确的位置
           
           if(c==Color.RED) {
        	   position[dx][dy]=1;//记录落下的是红色的子
           }               
           if(c==Color.green) {
        	   position[dx][dy]=2;//记录落下的是红色的子
           }
           
           winOrNot();//判断输赢            
         }
    });        
}

public void paintComponents(Graphics g) {
    try {            
        // 设置线条颜色为红色
        g.setColor(Color.RED);            
        
        // 绘制棋盘            
        for(int i=0;i<4;i++) {
        	g.drawLine(x1, y1+i*w2, x2, y1+i*w2);//画横线
        	g.drawLine(x1+i*w2, y1, x1+i*w2, y2);//画竖线
        }
     
    } catch (Exception e) {
        e.printStackTrace();
    }
}

public void paintComponents2(Graphics g,int x,int y,int width,int height) {
    try {            
        // 设置线条颜色为红色
    	
    	g.setColor(c);        	
    	if(c==Color.RED) {        		
    		c=Color.green;
    	}        	
    	else {        		
    		c=Color.red;
    	}        	
        // 绘制棋盘   
        g.fillOval(x, y, width, height);
     
    } catch (Exception e) {
        e.printStackTrace();
    }
}

public void winOrNot() {
	if(position[0][0]==position[1][0]&&position[1][0]==position[2][0]) {
 	   if(position[0][0]!=0) {
 		   isEnd2=1;
     	   if(c!=Color.red) {
     	       JOptionPane.showMessageDialog(null,"红方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
     	   if(c!=Color.green) {
     	       JOptionPane.showMessageDialog(null,"绿方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
 	   }
      }
    
    if(position[0][1]==position[1][1]&&position[1][1]==position[2][1]) {
 	   if(position[0][1]!=0) {
 		   isEnd2=1;
     	   if(c!=Color.red) {
     	       JOptionPane.showMessageDialog(null,"红方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
     	   if(c!=Color.green) {
     	       JOptionPane.showMessageDialog(null,"绿方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
 	   }
    }
 if(position[0][2]==position[1][2]&&position[1][2]==position[2][2]) {
 	   if(position[0][2]!=0) {
 		   isEnd2=1;
     	   if(c!=Color.red) {
     	       JOptionPane.showMessageDialog(null,"红方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
     	   if(c!=Color.green) {
     	       JOptionPane.showMessageDialog(null,"绿方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
     	   }
 	   }
     }
 
 
 if(position[0][0]==position[0][1]&&position[0][1]==position[0][2]) {
   if(position[0][0]!=0) {
	   isEnd2=1;
   	   if(c!=Color.red) {
   	       JOptionPane.showMessageDialog(null,"红方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
   	   }
   	   if(c!=Color.green) {
   	       JOptionPane.showMessageDialog(null,"绿方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
   	   }
   }
    }
  
  if(position[1][0]==position[1][1]&&position[1][1]==position[1][2]) {
   if(position[1][0]!=0) {
	   isEnd2=1;
   	   if(c!=Color.red) {
   	       JOptionPane.showMessageDialog(null,"红方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
   	   }
   	   if(c!=Color.green) {
   	       JOptionPane.showMessageDialog(null,"绿方获胜", "消息提示", JOptionPane.INFORMATION_MESSAGE);
   	   }
   }
  }

if(position[2][0]==position[2][1]&&position[2][1]==position[2][2]) {
if(position[2][0]!=0) {
isEnd2=1;
if(c!=Color.red) {
JOptionPane.showMessageDialog(null,“红方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
if(c!=Color.green) {
JOptionPane.showMessageDialog(null,“绿方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
}
}

if(position[0][0]==position[1][1]&&position[1][1]==position[2][2]) {
if(position[0][0]!=0) {
isEnd2=1;
if(c!=Color.red) {
JOptionPane.showMessageDialog(null,“红方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
if(c!=Color.green) {
JOptionPane.showMessageDialog(null,“绿方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
}
}
if(position[2][0]==position[1][1]&&position[1][1]==position[0][2]) {
if(position[2][0]!=0) {
isEnd2=1;
if(c!=Color.red) {
JOptionPane.showMessageDialog(null,“红方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
if(c!=Color.green) {
JOptionPane.showMessageDialog(null,“绿方获胜”, “消息提示”, JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
}