ex_5_26_chessgameof3.java

三子棋 《Java语言程序设计》作业 检查

// 090320 P163 Ex5.26 三子棋
// 按位置选择结果检查（行、列、正反对角线）
import javax.swing.JOptionPane;

public class Ex_5_26_ChessGameOf3 {

	/**
	 * @param args
	 */
	public static boolean rowCheck(int row, char[][] Chess){
		if(Chess[row-1][0] == Chess[row-1][1] && Chess[row-1][1] == Chess[row-1][2])
			return true;
		else
			return false;
	}
	
	public static boolean columnCheck(int column, char[][] Chess){
		if(Chess[0][column-1] == Chess[1][column-1] && Chess[1][column-1] == Chess[2][column-1])
			return true;
		else
			return false;
	}
	
	public static boolean diagonalCheck(char[][] Chess){
		if(Chess[0][0] == Chess[1][1] && Chess[1][1] == Chess[2][2])
			return true;
		else
			return false;
	}
	
	public static boolean reverseDiagonalCheck(char[][] Chess){
		if(Chess[0][2] == Chess[1][1] && Chess[1][1] == Chess[2][0])
			return true;
		else
			return false;
	}
	
	public static void printBoard(char[][] Chess){
		String chessString = "";
		for(int m = 0; m < 3; m++){
			for(int n = 0; n < 3; n++) {
				chessString += "    "+Chess[m][n];
//				System.out.print(Chess[m][n]);
			}
			chessString += "\n";
//			System.out.println();
		}
		JOptionPane.showMessageDialog(null, chessString, "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
	}
	
	public static boolean resultCheck(int row, int column, char[][] Chess){
		boolean flag = false;
		//分三种类型，对输入位置进行检查
		if((row + column) % 2 == 1){			//(1,2)(2,1)(2,3)(3,2)
			if(rowCheck(row, Chess))
				flag = true;
			else if(columnCheck(column, Chess))
				flag = true;
		}
		else if(row == column){					//(1,1)(2,2)(3,3)
			if(rowCheck(row, Chess))
				flag = true;
			else if(columnCheck(column, Chess))
				flag = true;
			else if(diagonalCheck(Chess))
				flag = true;
		}
		else{									//(1,3)(2,2)(3,1)
			if(rowCheck(row, Chess))
				flag = true;
			else if(columnCheck(column, Chess))
				flag = true;
			else if(reverseDiagonalCheck(Chess))
				flag = true;
		}
		return flag;
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		char[][] Chess = {{'*','*','*'}, {'*','*','*'}, {'*','*','*'}};
		int term;
		int row, column;
		printBoard(Chess);
		for(term = 1; term <= 4; term++){		// 前两个回合跳过检查
			String rowString;
			if(term%2 == 1){
				rowString = JOptionPane.showInputDialog(null, "it's the prior's term(X),enter the row: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				row = Integer.parseInt(rowString);
				String columnString = JOptionPane.showInputDialog(null, "it's the prior's term(X),enter the column: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				column = Integer.parseInt(columnString);
//				if(Chess[row-1][column-1] == '*')
//					JOptionPane.showMessageDialog(null, "A used position! Reenter the position.", "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
//					continue label0;
				Chess[row-1][column-1] = 'X'; 
			}
			else{
//				label1:
				rowString = JOptionPane.showInputDialog(null, "it's the posterior's term(O),enter the row: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				row = Integer.parseInt(rowString);
				String columnString = JOptionPane.showInputDialog(null, "it's the posterior's term(O),enter the column: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				column = Integer.parseInt(columnString);
//				if(Chess[row-1][column-1] == '*')
//					JOptionPane.showMessageDialog(null, "A used position! Reenter the position.", "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
//					continue label1;
				Chess[row-1][column-1] = 'O'; 
			}
			printBoard(Chess);
			System.out.println();
		}
//		System.out.println(term);
		for(; term <= 9; term++){
			if(term%2 == 1){
				String rowString = JOptionPane.showInputDialog(null, "it's the prior's term(X),enter the row: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				row = Integer.parseInt(rowString);
				String columnString = JOptionPane.showInputDialog(null, "it's the prior's term(X),enter the column: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				column = Integer.parseInt(columnString);
				Chess[row-1][column-1] = 'X'; 
			}
			else{
				String rowString = JOptionPane.showInputDialog(null, "it's the posterior's term(X),enter the row: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				row = Integer.parseInt(rowString);
				String columnString = JOptionPane.showInputDialog(null, "it's the posterior's term(X),enter the column: ", "Ex5.26 3 Chess Game", JOptionPane.QUESTION_MESSAGE);
				column = Integer.parseInt(columnString);
				Chess[row-1][column-1] = 'O'; 
			}
			printBoard(Chess);
			System.out.println();
			
			if(resultCheck(row, column, Chess)){
				if(term%2 == 1){
					JOptionPane.showMessageDialog(null, "Winner is prior!", "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
					System.exit(0);
				}
				else{
					JOptionPane.showMessageDialog(null, "Winner is posterior!", "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
					System.exit(0);
				}
			}
		}
		JOptionPane.showMessageDialog(null, "End in a tie!", "Ex5.26 3 Chess Game", JOptionPane.INFORMATION_MESSAGE);
		System.exit(0);
	}
}

// 示例输入 2 2     1 2    2 3   2 1   3 3    1 1    1 3 游戏结束