简单的Python Tkinter的骰子游戏

Question

我试图创建一个Tkinter的一个简单的骰子模拟器，但继续运行这个错误：

Traceback (most recent call last): 
    File "C:\Users\User\Desktop\NetBeansProjects\DiceSIMULATOR\src\dicesimulator.py", line 18, in  <module> 
    Label("Enter your guess").pack() 
    File "C:\Python34\lib\tkinter\__init__.py", line 2573, in __init__ 
    Widget.__init__(self, master, 'label', cnf, kw) 
    File "C:\Python34\lib\tkinter\__init__.py", line 2084, in __init__ 
    BaseWidget._setup(self, master, cnf) 
    File "C:\Python34\lib\tkinter\__init__.py", line 2062, in _setup 
    self.tk = master.tk 
AttributeError: 'str' object has no attribute 'tk' 

这里是我的代码：

from random import randrange 
from tkinter import * 


def checkAnswer(): 
    dice = randrange(1,7) 
    if int(guess) == dice: 
     tkMessageBox.showinfo("Well Done!","Correct!") 
    if int(guess) > 6: 
     tkMessageBox.showinfo("Error"," Invalid number: try again") 
    elif int(guess) <= 0: 
     tkMessageBox.showinfo("Error"," Invalid number: try again") 
    else: 
     tkMessageBox.showinfo("Incorrect","Incorrect: dice rolled {}.".format(diceRoll)) 

root = Tk() 

Label("Enter your guess").pack() 

g = StringVar() 
inputGuess = TextBox(master, textvariable=v).pack() 
guess = v.get() 

submit = Button("Roll Dice", command = checkAnswer).pack() 
root.mainloop() 

Answer 1

下面是修改后的版本您的代码：

Label小部件需要父项（在本例中为root）。你没有具体说明。这同样适用于Button小部件。其次，变量v未定义，但我认为您的意思是g，因此请将所有对变量v的引用更改为g。

from random import randrange 
from tkinter import * 


def checkAnswer(): 
    dice = randrange(1,7) 
    if int(guess) == dice: 
     tkMessageBox.showinfo("Well Done!","Correct!") 
    if int(guess) > 6: 
     tkMessageBox.showinfo("Error"," Invalid number: try again") 
    elif int(guess) <= 0: 
     tkMessageBox.showinfo("Error"," Invalid number: try again") 
    else: 
     tkMessageBox.showinfo("Incorrect","Incorrect: dice rolled {}.".format(diceRoll)) 

root = Tk() 

Label(root,text="Enter your guess").pack() #parent wasn't specified, added root 

g = StringVar() 
inputGuess = Entry(root, textvariable=g).pack() #changed variable from v to g 
guess = g.get() #changed variable from v to g 

submit = Button(root, text = "Roll Dice", command = checkAnswer).pack() #added root as parent 
root.mainloop()