[英]python tkinter entry command can't convert to int
試圖習慣tkinter gui,但我遇到了設置輸入框的問題。 我想制作一個簡單的數字猜測程序,使用Entry輸入一個整數和一個按鈕來提交猜測。 當我使用int(GuessBox.get())並且我不知道該怎么做時,我得到一個str到int轉換錯誤。
ValueError:基數為10的int()的無效文字:''
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()
您需要將該函數作為對象傳遞,不要調用它。
submitGuess = Button( master = main, text = "Submit Guess", command = makeAGuess )
否則,在創建Button時調用makeAGuess,但不傳遞任何參數。 通過此更改,您的代碼非常適合我。
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