我可以在python中调用类吗？就是说最后两行有错误

问题描述 投票：0回答：1
class game:
   gamestillgoing=True
   if gamestillgoing:
     def __init__(self, board, turn):
        self.board = ["#", "-", "-", "-",
                      "-", "-", "-",
                      "-", "-", "-"]
        self.turn = input("Choose your turn X or O?\n")
        print("Player {} goes first!".format(turn))

     def displayboard(self):
        print(self.board[1] + "|" + self.board[2] + "|" + self.board[3])
        print(self.board[4] + "|" + self.board[5] + "|" + self.board[6])
        print(self.board[7] + "|" + self.board[8] + "|" + self.board[9])
        game.displayboard(self)

     def choosepositionX(self):

        position = int(input("Choose the position from 1-9\n"))
        position = int(position)
        if self.turn == "X":
            self.board[position] = "X"
            game.displayboard(self)
        else:
            while not self.turn == "X":
                print("Choose the valid input.")

     def choosepositonO(self):
        position = int(input("Choose the position from 1-9\n"))
        position = int(position)
        if self.turn == "O":
            self.board[position] = "O"
            game.displayboard(self)
        else:
            while not self.turn == "O":
                print("Choose the valid input.")

     def checkwinrow(self):
        row1 = self.board[1] == self.board[2] == self.board[3]
        row2 = self.board[4] == self.board[5] == self.board[6]
        row3 = self.board[7] == self.board[8] == self.board[9]
        if row1 or row2 or row3 == "X":
            print("Player X has won!\n ")
            gamestillgoing = False
        elif row1 or row2 or row3 == "O":
            print("Player O has won!\n")
            gamestillgoing = False
        else:
            gamestillgoing = True

     def checkwincolumn(self):
        column1 = self.board[1] == self.board[4] == self.board[7]
        column2 = self.board[2] == self.board[5] == self.board[8]
        column3 = self.board[3] == self.board[6] == self.board[9]
        if column1 or column2 or column3 == "X":
            print("Player X has won!\n")
            gamestillgoing = False
        elif column1 or column2 or column3 == "O":
            print("Player O has won!\n")
            gamestillgoing = False
        else:
            gamestillgoing = True

     def checkwindiagonal(self):
        diagonal1 = self.board[1] == self.board[5] == self.board[9]
        diagonal2 = self.board[3] == self.board[5] == self.board[7]
        if diagonal1 or diagonal2 == "X":
            print("Player X has won!\n")
            gamestillgoing = False
        elif diagonal1 or diagonal2 == "O":
            print("Player O has win!\n")
            gamestillgoing = False
        else:
            gamestillgoing = True

     def checktie(self):
        row1 = self.board[1] == self.board[2] == self.board[3]
        row2 = self.board[4] == self.board[5] == self.board[6]
        row3 = self.board[7] == self.board[8] == self.board[9]
        column1 = self.board[1] == self.board[4] == self.board[7]
        column2 = self.board[2] == self.board[5] == self.board[8]
        column3 = self.board[3] == self.board[6] == self.board[9]
        diagonal1 = self.board[1] == self.board[5] == self.board[9]
        diagonal2 = self.board[3] == self.board[5] == self.board[7]
        if row1 == row2 == row3 or column1 == column2 == column3 or diagonal1 == diagonal2 != "X" or "O":
            print("The game is Tie!")
            gamestillgoing = False
        else:
            gamestillgoing = True

     def playerturn(self):
        if self.turn == "X":
            game.choosepositionX(self)
        elif self.turn == "O":
            game.choosepositonO(self)
        else:
            "Choose the valid Input!\n"
        game.playerturn(self)
   else:
        gamestillgoing=False
 Start=game()
 Start()

[当我尝试运行此游戏时，它说最后两行有错误。谁能帮我解决这个问题？我只需要最后两行中错误的解决方案（即Start = game（）开始（））主要问题在于调用类。

python new-operator
1个回答
0
投票

[不，您通常不能在Python中“调用”一个类。但是您可以调用其方法（包括其构造函数）。 （如果您确实必须调用一个类或其实例，请单击you have some extra work to do。

您的代码中有许多语法，逻辑和体系结构错误。

  1. 您将gamestillgoing用作类属性（而不是成员属性）在技术上不是不可能的，但不建议这样做。你应该使gamestillgoing成为成员，或者更好的是成为属性。

  2. 您在displayboard()中具有无限递归。

  3. 您有2-5个空格的缩进。您应该始终缩进4个空格。

  4. 您不能只给班级打电话一次。您需要重复调​​用playerturn()方法，直到gamestillgoing为False。

我清理了这些问题。这远不是一个可行的游戏（例如，它还没有交替的回合-您需要在每个玩家回合之后这样做），但这足以让您摆脱困境。

class game:
    def __init__(self):
        self._gamestillgoing = True
        self.board = ["#", "-", "-", "-",
                      "-", "-", "-",
                      "-", "-", "-"]
        self.turn = input("Choose your turn X or O?\n")
        print("Player {} goes first!".format(self.turn))

    @property
    def gamestillgoing(self):
        return self._gamestillgoing


    def displayboard(self):
        print(self.board[1] + "|" + self.board[2] + "|" + self.board[3])
        print(self.board[4] + "|" + self.board[5] + "|" + self.board[6])
        print(self.board[7] + "|" + self.board[8] + "|" + self.board[9])

    def choosepositionX(self):
        position = int(input("Choose the position from 1-9\n"))
        position = int(position)
        if self.turn == "X":
            self.board[position] = "X"
            game.displayboard(self)
        else:
            while not self.turn == "X":
                print("Choose the valid input.")

    def choosepositonO(self):
        position = int(input("Choose the position from 1-9\n"))
        position = int(position)
        if self.turn == "O":
            self.board[position] = "O"
            game.displayboard(self)
        else:
            while not self.turn == "O":
                print("Choose the valid input.")

    def checkwinrow(self):
        row1 = self.board[1] == self.board[2] == self.board[3]
        row2 = self.board[4] == self.board[5] == self.board[6]
        row3 = self.board[7] == self.board[8] == self.board[9]
        if row1 or row2 or row3 == "X":
            print("Player X has won!\n ")
            self._gamestillgoing = False
        elif row1 or row2 or row3 == "O":
            print("Player O has won!\n")
            self._gamestillgoing = False
        else:
            self._gamestillgoing = True

    def checkwincolumn(self):
        column1 = self.board[1] == self.board[4] == self.board[7]
        column2 = self.board[2] == self.board[5] == self.board[8]
        column3 = self.board[3] == self.board[6] == self.board[9]
        if column1 or column2 or column3 == "X":
            print("Player X has won!\n")
            self._gamestillgoing = False
        elif column1 or column2 or column3 == "O":
            print("Player O has won!\n")
            self._gamestillgoing = False
        else:
            self._gamestillgoing = True

    def checkwindiagonal(self):
        diagonal1 = self.board[1] == self.board[5] == self.board[9]
        diagonal2 = self.board[3] == self.board[5] == self.board[7]
        if diagonal1 or diagonal2 == "X":
            print("Player X has won!\n")
            self._gamestillgoing = False
        elif diagonal1 or diagonal2 == "O":
            print("Player O has win!\n")
            self._gamestillgoing = False
        else:
            self._gamestillgoing = True

    def checktie(self):
        row1 = self.board[1] == self.board[2] == self.board[3]
        row2 = self.board[4] == self.board[5] == self.board[6]
        row3 = self.board[7] == self.board[8] == self.board[9]
        column1 = self.board[1] == self.board[4] == self.board[7]
        column2 = self.board[2] == self.board[5] == self.board[8]
        column3 = self.board[3] == self.board[6] == self.board[9]
        diagonal1 = self.board[1] == self.board[5] == self.board[9]
        diagonal2 = self.board[3] == self.board[5] == self.board[7]
        if row1 == row2 == row3 or column1 == column2 == column3 or diagonal1 == diagonal2 != "X" or "O":
            print("The game is Tie!")
            self._gamestillgoing = False
        else:
            self._gamestillgoing = True

    def playerturn(self):
        if self.turn == "X":
            self.choosepositionX()
        elif self.turn == "O":
            self.choosepositonO()
        else:
            "Choose the valid Input!\n"
            self.playerturn(self)


g=game()
while g.gamestillgoing:
    g.playerturn()
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