[英]Python error using Tkinter (.get)
我在從條目小部件中提取變量時遇到問題,到目前為止我已經完成了這個,但我找不到我的錯誤。 我正在使用 python 3。
from tkinter import *
def main():
global today,postal,user,expire,cardnum
root = Tk()
root.title("Card checker")
instruction =Label(root, text="Please enter your card details\n")
namel = Label(root, text="Name: ")
post = Label(root, text="Postal code: ")
today_date = Label(root, text="Todays date: ")
expire_date = Label(root, text="Expiry date ")
card_number = Label(root, text="Card Number: ")
date1= ()
postcode= ()
name1= ()
expire1= ()
cardno = ()
namel.grid(row=1, column =0)
post.grid(row=2, column =0)
today_date.grid(row=3, column =0)
expire_date.grid(row=4, column =0)
card_number.grid(row=5, column =0)
todaydateE= Entry(root,textvariable=date1)
postE= Entry(root,textvariable=postcode)
nameE = Entry(root,textvariable=name1)
expiredateE= Entry(root,textvariable=expire1)
cardnumberE= Entry(root,textvariable=cardno)
nameE.grid(row=1, column =1)
postE.grid(row=2, column =1)
cardnumberE.grid(row=5, column =1)
expiredateE.grid(row=4, column =1)
todaydateE.grid(row=3, column =1)
doneButton = Button(root, text= "Confirm", command=datecheck)
doneButton.grid(columnspan =2)
today= date1.get()
postal= (postcode.get())
user= name1.get()
expire= expire1.get()
cardnum = cardno.get()
def datecheck():
global today,postal,user,expire,cardnum
print(postal)
所以你沒有正確使用 .get() 函數。 此外,您還想制作程序,以便在事件發生后使用 .get() 某些東西,否則它會嘗試一無所獲,因為當程序啟動時,那里什么也沒有。 編輯您的代碼,以便如果您點擊確認按鈕,您將獲得輸入框中輸入的任何內容
from tkinter import *
def datecheck():
global today, postal, user, expire, cardnum
today = todaydateE.get()
postal = (postE.get())
user = nameE.get()
expire = expiredateE.get()
cardnum = cardnumberE.get()
print(postal)
global today, postal, user, expire, cardnum
root = Tk()
root.title("Card checker")
instruction = Label(root, text="Please enter your card details\n")
namel = Label(root, text="Name: ")
post = Label(root, text="Postal code: ")
today_date = Label(root, text="Todays date: ")
expire_date = Label(root, text="Expiry date ")
card_number = Label(root, text="Card Number: ")
namel.grid(row=1, column=0)
post.grid(row=2, column=0)
today_date.grid(row=3, column=0)
expire_date.grid(row=4, column=0)
card_number.grid(row=5, column=0)
todaydateE = Entry(root)
postE = Entry(root)
nameE = Entry(root)
expiredateE = Entry(root )
cardnumberE = Entry(root)
nameE.grid(row=1, column=1)
postE.grid(row=2, column=1)
cardnumberE.grid(row=5, column=1)
expiredateE.grid(row=4, column=1)
todaydateE.grid(row=3, column=1)
doneButton = Button(root, text="Confirm", command=datecheck)
doneButton.grid(columnspan=2)
root.mainloop()
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