用Java编写的五子棋小程序

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.Color;

public class wu7ziqi extends Applet implements ActionListener,MouseListener,MouseMotionListener,ItemListener
{
int color_Qizi=0;//旗子的颜色标识 0:白子 1:黑子
int intGame_Start=0;//游戏开始标志 0未开始 1游戏中
int intGame_Body[][]=new int[16][16]; //设置棋盘棋子状态 0 无子 1 白子 2 黑子

Button b1=new Button("游戏开始");
Button b2=new Button("重置游戏");
Label lblWin=new Label(" ");
Checkbox ckbHB[]=new Checkbox[2];
CheckboxGroup ckgHB=new CheckboxGroup();
public void init()
{
setLayout(null);

addMouseListener(this);
add(b1);
b1.setBounds(330,50,80,30);
b1.addActionListener(this);
add(b2);
b2.setBounds(330,90,80,30);
b2.addActionListener(this);
ckbHB[0]=new Checkbox("白子先",ckgHB,false);
ckbHB[0].setBounds(320,20,60,30);
ckbHB[1]=new Checkbox("黑子先",ckgHB,false);
ckbHB[1].setBounds(380,20,60,30);
add(ckbHB[0]);
add(ckbHB[1]);
ckbHB[0].addItemListener(this);
ckbHB[1].addItemListener(this);
add(lblWin);
lblWin.setBounds(330,130,80,30);

Game_start_csh();
}

public void itemStateChanged(ItemEvent e)
{
if (ckbHB[0].getState()) //选择黑子先还是白子先
{
color_Qizi=0;
}
else
{
color_Qizi=1;
}
}

public void actionPerformed(ActionEvent e)
{
Graphics g=getGraphics();
if (e.getSource()==b1)
{
Game_start();
}
else
{
Game_re();
}
}

public void mousePressed(MouseEvent e){}

public void mouseClicked(MouseEvent e)
{
Graphics g=getGraphics();
int x1,y1;
x1=e.getX();
y1=e.getY();
if (e.getX()<20 || e.getX()>300 || e.getY()<20 || e.getY()>300)
{
return;
}

if (x1%20>10)
{
x1+=20;
}

if(y1%20>10)
{
y1+=20;
}

x1=x1/20*20;
y1=y1/20*20;
set_Qizi(x1,y1);

}

public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseDragged(MouseEvent e){}
public void mouseMoved(MouseEvent e){}

public void paint(Graphics g)
{
draw_qipan(g);
}

public void set_Qizi(int x,int y) //落子
{
if (intGame_Start==0) //判断游戏未开始
{
return;
}

if (intGame_Body[x/20][y/20]!=0)
{
return;
}
Graphics g=getGraphics();

if (color_Qizi==1)//判断黑子还是白子
{
g.setColor(Color.black);
color_Qizi=0;
}
else
{
g.setColor(Color.white);
color_Qizi=1;
}

g.fillOval(x-10,y-10,20,20);

intGame_Body[x/20][y/20]=color_Qizi+1;

if (Game_win_1(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}

if (Game_win_2(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}

if (Game_win_3(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}

if (Game_win_4(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}
}

public String Get_qizi_color(int x)
{
if (x==0)
{
return "黑子";
}
else
{
return "白子";
}
}

public void draw_qipan(Graphics G) //画棋盘 15*15
{
G.setColor(Color.lightGray);
G.fill3DRect(10,10,300,300,true);
G.setColor(Color.black);
for(int i=1;i<16;i++)
{
G.drawLine(20,20*i,300,20*i);
G.drawLine(20*i,20,20*i,300);
}
}

public void Game_start() //游戏开始
{
intGame_Start=1;
Game_btn_enable(false);
b2.setEnabled(true);
}

public void Game_start_csh() //游戏开始初始化
{

intGame_Start=0;
Game_btn_enable(true);
b2.setEnabled(false);
ckbHB[0].setState(true);

for (int i=0;i<16 ;i++ )
{
for (int j=0;j<16 ;j++ )
{
intGame_Body[i][j]=0;
}
}
lblWin.setText("");
}

public void Game_re() //游戏重新开始
{
repaint();
Game_start_csh();
}

public void Game_btn_enable(boolean e) //设置组件状态
{
b1.setEnabled(e);
b2.setEnabled(e);
ckbHB[0].setEnabled(e);
ckbHB[1].setEnabled(e);
}

public boolean Game_win_1(int x,int y) //判断输赢 横
{
int x1,y1,t=1;
x1=x;
y1=y;

for (int i=1;i<5 ;i++ )
{
if (x1>15)
{
break;
}
if (intGame_Body[x1+i][y1]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}

}

for (int i=1;i<5 ;i++ )
{
if (x1<1)
{
break;
}

if(intGame_Body[x1-i][y1]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}

if (t>4)
{
return true;
}
else
{
return false;
}
}

public boolean Game_win_2(int x,int y) //判断输赢 竖
{
int x1,y1,t=1;
x1=x;
y1=y;

for (int i=1;i<5 ;i++ )
{
if (x1>15)
{
break;
}
if (intGame_Body[x1][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}

}

for (int i=1;i<5 ;i++ )
{
if (x1<1)
{
break;
}

if(intGame_Body[x1][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}

if (t>4)
{
return true;
}
else
{
return false;
}
}

public boolean Game_win_3(int x,int y) //判断输赢 左斜
{
int x1,y1,t=1;
x1=x;
y1=y;

for (int i=1;i<5 ;i++ )
{
if (x1>15)
{
break;
}
if (intGame_Body[x1+i][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}

}

for (int i=1;i<5 ;i++ )
{
if (x1<1)
{
break;
}

if(intGame_Body[x1-i][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}

if (t>4)
{
return true;
}
else
{
return false;
}
}

public boolean Game_win_4(int x,int y) //判断输赢 左斜
{
int x1,y1,t=1;
x1=x;
y1=y;

for (int i=1;i<5 ;i++ )
{
if (x1>15)
{
break;
}
if (intGame_Body[x1+i][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}

}

for (int i=1;i<5 ;i++ )
{
if (x1<1)
{
break;
}

if(intGame_Body[x1-i][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}

if (t>4)
{
return true;
}
else
{
return false;
}
}
}