java初学者--实现用控制台与电脑下五子棋

package chessgame;

import java.util.Scanner;
/**
* 五子棋游戏
* @author SamuelElijah
* 转载请注明原作者
*
*
*/
public abstract class Chess {
//存储棋子数量
public static int count = 0;
//最少取得胜利的联珠数
public static final int toWin = 5;
//存储棋子坐标
public static int x=7;
public static int y=7;
//存储坐标最值
public static int minX=6;
public static int maxX=6;
public static int minY=8;
public static int maxY=8;
//存储棋盘，大小为15
public static final Board board = new Board(15);
//static人工智能算法
public static int search(int x,int y,Chessman c){
String color = c.getChessman();
Chessman oppositeC = c instanceof White?new Black():c instanceof Black?new White():null;
String opposite = oppositeC.getChessman();
int count = 1,count2 =1 ;
for(int i=x-1;i>=0;i--){
if(!board.getPos(i, y).getChessman().equals(color)){
break;
}
count++;
}
for(int i=x+1;i<board.boardSize;i++){
if(!board.getPos(i, y).getChessman().equals(color)){
break;
}
count++;
}
for(int i=y+1;i<board.boardSize;i++){
if(!board.getPos(x, i).getChessman().equals(color)){
break;
}
count++;
}
for(int i=y-1;i>=0;i--){
if(!board.getPos(x, i).getChessman().equals(color)){
break;
}
count++;
}
for(int i=x-1,j=y-1;i>=0&&j>=0;i--,j--){
if(!board.getPos(i, j).getChessman().equals(color)){
break;
}
count++;
}
for(int i=x+1,j=y+1;i<board.boardSize&&j<board.boardSize;i++,j++){
if(!board.getPos(i, j).getChessman().equals(color)){
break;
}
count++;
}
for(int i=x-1,j=y+1;i>=0&&j<board.boardSize;i--,j++){
if(!board.getPos(i, j).getChessman().equals(color)){
break;
}
count++;
}
for(int i=x+1,j=y-1;i<board.boardSize&&j>=0;i++,j--){
if(!board.getPos(i, j).getChessman().equals(color)){
break;
}
count++;
}
//OPPOSITE
for(int i=x-1;i>=0;i--){
if(!board.getPos(i, y).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=x+1;i<board.boardSize;i++){
if(!board.getPos(i, y).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=y+1;i<board.boardSize;i++){
if(!board.getPos(x, i).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=y-1;i>=0;i--){
if(!board.getPos(x, i).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=x-1,j=y-1;i>=0&&j>=0;i--,j--){
if(!board.getPos(i, j).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=x+1,j=y+1;i<board.boardSize&&j<board.boardSize;i++,j++){
if(!board.getPos(i, j).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=x-1,j=y+1;i>=0&&j<board.boardSize;i--,j++){
if(!board.getPos(i, j).getChessman().equals(opposite)){
break;
}
count2++;
}
for(int i=x+1,j=y-1;i<board.boardSize&&j>=0;i++,j--){
if(!board.getPos(i, j).getChessman().equals(opposite)){
break;
}
count2++;
}
return 2*count+count2;
}

//static判断某个点是否为冲四活三点
public static boolean isFour(int x,int y){
Chessman c = new Black();
String color = c.getChessman();
Chessman oppositeC = new White();
String opposite = oppositeC.getChessman();
int count = 1;
boolean flag = true;
for(int i=x-1;i>=0;i--){
if(!board.getPos(i, y).getChessman().equals(color)){
if(board.getPos(i, y).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
for(int i=x+1;i<board.boardSize;i++){
if(!board.getPos(i, y).getChessman().equals(color)){
if(board.getPos(i, y).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=y+1;i<board.boardSize;i++){
if(!board.getPos(x, i).getChessman().equals(color)){
if(board.getPos(x, i).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
for(int i=y-1;i>=0;i--){
if(!board.getPos(x, i).getChessman().equals(color)){
if(board.getPos(x, i).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=x-1,j=y-1;i>=0&&j>=0;i--,j--){
if(!board.getPos(i, j).getChessman().equals(color)){
if(board.getPos(i, j).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
for(int i=x+1,j=y+1;i<board.boardSize&&j<board.boardSize;i++,j++){
if(!board.getPos(i, j).getChessman().equals(color)){
if(board.getPos(i, j).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=x-1,j=y+1;i>=0&&j<board.boardSize;i--,j++){
if(!board.getPos(i, j).getChessman().equals(color)){
if(board.getPos(i, j).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
for(int i=x+1,j=y-1;i<board.boardSize&&j>=0;i++,j--){
if(!board.getPos(i, j).getChessman().equals(color)){
if(board.getPos(i, j).getChessman().equals(opposite)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
//OPPOSITE
for(int i=x-1;i>=0;i--){
if(!board.getPos(i, y).getChessman().equals(opposite)){
if(board.getPos(i, y).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
for(int
4000
i=x+1;i<board.boardSize;i++){
if(!board.getPos(i, y).getChessman().equals(opposite)){
if(board.getPos(i, y).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=y+1;i<board.boardSize;i++){
if(!board.getPos(x, i).getChessman().equals(opposite)){
if(board.getPos(x, i).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
for(int i=y-1;i>=0;i--){
if(!board.getPos(x, i).getChessman().equals(opposite)){
if(board.getPos(x, i).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=x-1,j=y-1;i>=0&&j>=0;i--,j--){
if(!board.getPos(i, j).getChessman().equals(opposite)){
if(board.getPos(i, j).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
for(int i=x+1,j=y+1;i<board.boardSize&&j<board.boardSize;i++,j++){
if(!board.getPos(i, j).getChessman().equals(opposite)){
if(board.getPos(i, j).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}
count=1;flag = true;
for(int i=x-1,j=y+1;i>=0&&j<board.boardSize;i--,j++){
if(!board.getPos(i, j).getChessman().equals(opposite)){
if(board.getPos(i, j).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
for(int i=x+1,j=y-1;i<board.boardSize&&j>=0;i++,j--){
if(!board.getPos(i, j).getChessman().equals(opposite)){
if(board.getPos(i, j).getChessman().equals(color)){
flag =false;
}
break;
}
count++;
}
if(count>=toWin){
return true;
}else if(count>=toWin-1 && flag){
return true;
}else{
return false;
}
}
}
//玩家接口
interface Actor{
//选择一个坐标下棋
void setectPos(Scanner sc);
}
//人类
class Player extends Chess implements Actor{
private Chessman c;
public Player(Chessman c){
this.c = c;
}
@Override
public void setectPos(Scanner sc) {
System.out.println("请输入坐标：(行 列)");
String str = sc.nextLine();
String[] s = str.split(" ");
x=Integer.parseInt(s[0]);
y=Integer.parseInt(s[1]);
}
}
//人工智能
class AI extends Chess implements Actor{
private Chessman c;
private boolean first = true;
public AI(Chessman c){
this.c = c;
}
@Override
public void setectPos(Scanner sc) {
if(first){
x =  x+(int)(-1+Math.random()*3);
y =  y+(int)(-1+Math.random()*3);
first = false;
}else{
for(int x=minX;x<=maxX;x++){
for(int y=minY;y<=maxY;y++){
if(board.getPos(x, y) instanceof Empty){
if(isFour(x,y)){
Chess.x = x;
Chess.y = y;
return;
}
}
}
}
int maxCount = 0;
for(int x=minX;x<=maxX;x++){
for(int y=minY;y<=maxY;y++){
if(board.getPos(x, y) instanceof Empty){
int count = search(x, y, c);
if(count>maxCount){
maxCount = count;
Chess.x = x;
Chess.y = y;
}
}
}
}
}
}
}
//棋子类
abstract class Chessman{
private final String chessman;
public Chessman(String chessman){
this.chessman = chessman;
}
public String getChessman(){
return chessman;
}
}
//白棋
class White extends Chessman{
public White(){
super("○");
}
}
//黑棋
class Black extends Chessman{
public Black(){
super("●");
}
}
//空（没有棋子）
class Empty extends Chessman{
public Empty(){
super("十");
}
}
//棋盘
class Board extends Chess{
//存储棋盘大小
public final int boardSize;
//棋盘上点的合集
private Chessman[][] board;
public Board(int boardSize){
this.boardSize = boardSize;
board = new Chessman[boardSize][boardSize];
for(int i=0;i<board.length;i++){
for(int j=0;j<board[i].length;j++){
board[i][j]=new Empty();
}
}
}
//打印棋盘
public void print(){
int line = 0;
System.out.print("\t"+0+"\t");
for(int i=1;i<boardSize;i++ ){
System.out.print(i+"\t");
}
System.out.println("\n");
for(int i=0;i<boardSize;i++){
System.out.print(line+"\t");
line++;
for(int j=0;j<boardSize;j++){
String str = board[i][j].getChessman();
System.out.print(str+"\t");
}
System.out.println("\n");
}
System.out.println("----------------------------------");
}
//在棋盘上添加棋子并记录坐标的最值
public void add(Chessman c){
board[x][y]=c;
//棋子数量加1
count++;
if(x-1<minX && x>0){
minX = x-1;
}else if(x+1>maxX && x<boardSize-1){
maxX = x+1;
}
if(y-1<minY && y>0){
minY = y-1;
}else if(y+1>maxY && y<boardSize-1){
maxY = y+1;
}
}
//判断坐标上的点是否取得胜利
public boolean isWon(){
String curr = board[x][y].getChessman();
int count = 1;
for(int i=x-1;i>=0;i--){
if(!board[i][y].getChessman().equals(curr)){
break;
}
count++;
}
for(int i=x+1;i<boardSize;i++){
if(!board[i][y].getChessman().equals(curr)){
break;
}
count++;
}
if(count>=Chess.toWin){
return true;
}
count = 1;
for(int i=y+1;i<boardSize;i++){
if(!board[x][i].getChessman().equals(curr)){
break;
}
count++;
}
for(int i=y-1;i>=0;i--){
if(!board[x][i].getChessman().equals(curr)){
break;
}
count++;
}
if(count>=Chess.toWin){
return true;
}
count = 1;
for(int i=x-1,j=y-1;i>=0&&j>=0;i--,j--){
if(!board[i][j].getChessman().equals(curr)){
break;
}
count++;
}
for(int i=x+1,j=y+1;i<boardSize&&j<boardSize;i++,j++){
if(!board[i][j].getChessman().equals(curr)){
break;
}
count++;
}
if(count>=Chess.toWin){
return true;
}
count = 1;
for(int i=x-1,j=y+1;i>=0&&j<boardSize;i--,j++){
if(!board[i][j].getChessman().equals(curr)){
break;
}
count++;
}
for(int i=x+1,j=y-1;i<boardSize&&j>=0;i++,j--){
if(!board[i][j].getChessman().equals(curr)){
break;
}
count++;
}
if(count>=Chess.toWin){
return true;
}else{
return false;
}
}
//判断输入的坐标是否有效
public boolean isValid(){
if(x>=boardSize
||
x<0
||
y>=boardSize
||
y<0){
return false;
}else if(!(board[x][y] instanceof Empty)){
return false;
}else{
return true;
}
}
//输出某坐标上棋子的位置
public Chessman getPos(int x,int y){
return board[x][y];
}
}

package chessgame;

import java.util.Scanner;
/**
* 五子棋游戏（主方法）
* @author SamuelElijah
* 转载请注明原作者
*
*
*/
public class ChessTest {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int i=-1;
Actor player1=null;
Actor player2=null;
do{
System.out.println("输入0选择黑方,输入1选择白方");
try{
i = sc.nextInt();sc.nextLine();
}catch(Exception e){
System.exit(0);
}
}while(i>1||i<0);
switch(i){
case 0:
player1 = new Player(new Black());
player2 = new AI(new White());
break;
case 1:
player1 = new AI(new Black());
player2 = new Player(new White());
break;
default:
}
Chess.board.print();
while(true){
try {
Thread.sleep(1000);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
do{
try{
player1.setectPos(sc);
}catch(Exception e){
continue;
}
}while(!Chess.board.isValid());
Chess.board.add( new Black());
Chess.board.print();
if(Chess.board.isWon()){
System.out.println("黑方胜");
break;
}else if(Chess.count>=Chess.board.boardSize){
System.out.println("和棋");
}
try {
Thread.sleep(1000);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
do{
try{
player2.setectPos(sc);
}catch(Exception e){
continue;
}
}while(!Chess.board.isValid());
Chess.board.add( new White());
Chess.board.print();
if(Chess.board.isWon()){
System.out.println("白方胜");
break;
}else if(Chess.count>=Chess.board.boardSize){
System.out.println("和棋");
}
}
}
}