[英]python tkinter entry command can't convert to int
试图习惯tkinter gui,但我遇到了设置输入框的问题。 我想制作一个简单的数字猜测程序,使用Entry输入一个整数和一个按钮来提交猜测。 当我使用int(GuessBox.get())并且我不知道该怎么做时,我得到一个str到int转换错误。
ValueError:基数为10的int()的无效文字:''
from tkinter import *
import random
def makeAGuess():
guess = int(GuessBox.get())
print(guess)
if guess == Answer:
print("you got it!")
return False
elif guess > Answer:
print("Too High, try again")
return True
else :
print("Too low, try again")
return True
Answer = random.randint(1, 100)
main = Tk()
label = Label(main, text = "Guess a number")
label.pack()
GuessBox = Entry(master = main)
GuessBox.pack()
submitGuess = Button(master = main, text = "Submit Guess", command = makeAGuess())
submitGuess.pack()
main.mainloop()
您需要将该函数作为对象传递,不要调用它。
submitGuess = Button( master = main, text = "Submit Guess", command = makeAGuess )
否则,在创建Button时调用makeAGuess,但不传递任何参数。 通过此更改,您的代码非常适合我。
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