//ChessBoard.h#pragma once#define ROW 15#define COL 15#include<iostream>using namespace std; class ChessBoard//棋盤類{public:  char m_cSquare[ROW][COL];  public:  ChessBoard();  void show();  };

//ChessBoard.cpp#include"ChessBoard.h" ChessBoard::ChessBoard()  {    for(int i=1;i<ROW-1;i++)    for(int j=1;j<COL-1;j++)      m_cSquare[i][j]=' ';  for(int j=0;j<COL;j++)    m_cSquare[0][j]=m_cSquare[ROW-1][j]='-';  for(int i=1;i<ROW;i++)    m_cSquare[i][0]=m_cSquare[i][COL-1]='|';  } void ChessBoard::show(){  system("cls");   for(int i=0;i<ROW;i++)  {  for(int j=0;j<COL;j++)      cout<<m_cSquare[i][j]<<' ';//這里的“ <<' ' ”很重要，這樣才能使屏幕上ROW*COL輸出為方形    cout<<endl;  }}

//Player.h#pragma once//宏定義四種檢測五子是否連成線的方向#define HORIZON     0#define VERTICAL      1#define LEFTBOTTOMTORIGHTTOP  2#define LEFTTOPTORIGHTBOTTOM  3 #include"ChessBoard.h"#include<iostream>using namespace std;#include<string> class Player{private:  string m_name;  char m_chessType;  int m_x;  int m_y;  ChessBoard* m_ptBoard;public:  Player(string name,char chessType):m_name(name),m_chessType(chessType),m_ptBoard(NULL){}  void attachToBoard(ChessBoard* ptBoard){m_ptBoard=ptBoard;}  bool isInChessBoard(int x,int y);  bool isLine(int x,int y);  bool isWin();  void setChess();};

//Player.cpp#include"Player.h" bool Player::isInChessBoard(int x,int y){  if(x<ROW-1 && x>0 && y<COL-1 && y>0)    return true;  else    return false;}/*下面是核心代碼：如何判斷五子是否連成線。這里采用的是以玩家此刻放下的棋子為中心，從四種方向逐個判斷是否在此方向上連成了線這里將四個方向上的判斷都放在一起，避免了四次調用不同方向上的判斷，但在for里面放一個switch有些別扭，可讀性上似乎不好*/bool Player::isLine(int x,int y){  for(int direc=HORIZON;direc<=LEFTTOPTORIGHTBOTTOM;direc++)//四個方向，權宜之計  {    int tempX,tempY,cnt=1;//cnt:連續排列的同種類的棋子的個數，達到五個則該方贏    for(int i=-4;i<=4;i++)    {      if(i==0)continue;//此時循環一遍相當于什么都沒做      switch(direc)      {      case HORIZON:        tempX=x;  tempY=y+i;   break;      case VERTICAL:         tempX=x+i; tempY=y;    break;      case LEFTBOTTOMTORIGHTTOP:        tempX=x-i; tempY=y+i;   break;      case LEFTTOPTORIGHTBOTTOM:        tempX=x+i; tempY=y+i;   break;      }      if(isInChessBoard(tempX,tempY) && m_ptBoard->m_cSquare[tempX][tempY]==m_chessType)        cnt++;      else        cnt=0;      if(cnt==5)//五子成線        return true;    }  }return false;} void Player::setChess(){    cout<<"請輸入玩家"<<m_name<<"的x坐標和y坐標："<<endl;  cin>>m_x>>m_y;  while(cin.fail() || m_ptBoard->m_cSquare[m_x][m_y]!=' ')//輸入不是int型變量或者此位置上已有棋子  {    cout<<"輸入有誤，請再次輸入玩家"<<m_name<<"的x坐標和y坐標："<<endl;    cin.clear();  //清除fail狀態     cin.sync();  //清除緩沖區    cin>>m_x>>m_y;  }  if(isInChessBoard(m_x,m_y))    m_ptBoard->m_cSquare[m_x][m_y]=m_chessType; } bool Player::isWin(){    return isLine(m_x,m_y)?true:false;}

//main.cpp#include"ChessBoard.h"#include"Player.h" int main(){  ChessBoard board;    Player playA("aaa",'*');//玩家aaa的棋子形狀是'*'  playA.attachToBoard(&board);  Player playB("bbb",'#');//玩家bbb的棋子形狀是'#'  playB.attachToBoard(&board);    board.show();  while(1)  {    playA.setChess();//玩家A放下一個棋子    if(playA.isWin())    {  cout<<"Winer!"; break;}        board.show();     playB.setChess();//玩家B放下一個棋子    if(playB.isWin())    {  cout<<"Winer!"; break;}      board.show();  }  return 1;}