我正在尝试使用email_address_entry值，但遇到此错误。我想使用sign_up_frame对象的email_address_entry值。
在Tkinter回调中获取此异常：
回溯（最近通话最近一次）：
文件“ C：\ Program Files（x86）\ Python37-32 \ lib \ tkinter__init __。py”， 第1705行，在致电 返回self.func（* args）
文件“ D：/ Boring college / PyProject / MCB2 / sign_up_1.py”，第140行，在 signup_button_click self.ans_entry.get（），send_email（）））
文件“ D：/ Boring college / PyProject / MCB2 / sign_up_1.py”，第154行，在 发送电子邮件 email_id = sign_up_frame.get_email（）
文件“ D：/ Boring college / PyProject / MCB2 / sign_up_1.py”，第77行，在 get_email mail = self.email_address_entry.get（）
文件“ C：\ Program Files（x86）\ Python37-32 \ lib \ tkinter__init __。py”， 2682行，进入 返回self.tk.call（self._w，'get'） _tkinter.TclError：无效的命令名称“。！frame2。！entry”
我的代码如下：
from tkinter import*
from tkinter.ttk import*
from sqlite3 import*
from tkinter import messagebox
import Login_Page
class SignUp(Tk):
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
self.title('Contact Book')
self.geometry('500x400')
self.style = Style()
self.style.configure('Header.TFrame', background='Blue')
self.header_frame = Frame(self, style='Header.TFrame')
self.header_frame.pack(side=TOP, fill=X)
self.style.configure('Header.TLabel', background='Blue', foreground='White', font=(NONE,20))
self.header_label = Label(self.header_frame, style='Header.TLabel', text='Sign Up')
self.header_label.pack(pady=10)
self.content_frame = Frame(self)
self.content_frame.pack(side=TOP, fill=Y, pady=15)
self.style.configure('Content.TLabel', foreground='Black', font=(NONE, 15))
self.style.configure('Content.TEntry', foreground='Black', font=(NONE, 15))
self.email_address_label = Label(self.content_frame, style='Content.TLabel', text='Emailaddress:')
self.email_address_label.grid(row=0, column=0, pady=8)
self.email_address_entry = Entry(self.content_frame, style='Content.TEntry', width=30)
self.email_address_entry.grid(row=0, column=1, padx=5, pady=8)
self.username_label = Label(self.content_frame, style='Content.TLabel', text='Username:')
self.username_label.grid(row=1, column=0, pady=8)
self.username_entry = Entry(self.content_frame, style='Content.TEntry', width=30)
self.username_entry.grid(row=1, column=1, padx=5, pady=8)
self.password_label = Label(self.content_frame, style='Content.TLabel', text='Enter Password:')
self.password_label.grid(row=2, column=0, pady=8)
self.password_entry = Entry(self.content_frame, style='Content.TEntry', show='*', width=30)
self.password_entry.grid(row=2, column=1, pady=8, padx=5)
self.renter_password_label = Label(self.content_frame, style='Content.TLabel', text='Re-Enter Password:')
self.renter_password_label.grid(row=3, column=0, pady=8)
self.renter_password_entry = Entry(self.content_frame, style='Content.TEntry', show='*', width=30)
self.renter_password_entry.grid(row=3, column=1, pady=8, padx=5)
self.style.configure('SUW.TButton', foreground='Blue')
self.submit_button = Button(self.content_frame, style='SUW.TButton', text='Submit', width=15,
command=self.submit_click)
self.submit_button.grid(row=4, column=1, pady=20)
def submit_click(self):
if self.password_entry.get() == self.renter_password_entry.get():
con = connect('AppDatabase.db')
cur = con.cursor()
cur.execute("""insert into LoginData (Username, Password, Email) values('{0}', '{1}',
'{2}')""".format(self.username_entry.get(), self.password_entry.get(),
self.email_address_entry.get()))
messagebox.showinfo('Status', 'The Information has been inserted')
con.commit()
con.close()
self.destroy()
else:
messagebox.showerror('Invalid', 'Password does not match')
def get_email(self):
mail = self.email_address_entry.get()
return mail
class SafetyQuestion(Tk):
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
self.title("Contact Book")
self.geometry('500x400')
self.style = Style()
self.style.configure('Head.TFrame', background='Blue')
self.head_frame = Frame(self, style='Head.TFrame')
self.head_frame.pack(side=TOP, fill=X)
self.style.configure('Head.TLabel', foreground='White', background='Blue', font=(NONE, 15))
self.head_label = Label(self.head_frame, text='Select one of the following Question:',
style='Head.TLabel')
self.head_label.pack(pady=3)
self.val = StringVar()
# val.set('Empty')
self.r1 = Radiobutton(self, text='What is your nickname?', variable=self.val, value='What is your nickname?')
self.r1.pack(anchor=W, pady=10, padx=10)
self.r2 = Radiobutton(self, text='What is the name of your pet?', variable=self.val,
value='What is the name of your pet?')
self.r2.pack(anchor=W, pady=10, padx=10)
self.r3 = Radiobutton(self, text='What is your favourite food?', variable=self.val,
value='What is your favourite food?')
self.r3.pack(anchor=W, pady=10, padx=10)
self.r4 = Radiobutton(self, text='What ia your favourite Bike?', variable=self.val,
value='What ia your favourite Bike?')
self.r4.pack(anchor=W, pady=10, padx=10)
self.answer_frame = Frame(self, style='Head.TFrame')
self.answer_frame.pack(side=BOTTOM, fill=X)
self.style.configure('Ans.TLabel', foreground='White', background='Blue', font=(NONE, 12))
self.ans_label = Label(self.answer_frame, text='Answer:', style='Ans.TLabel')
self.ans_label.grid(row=0, column=0, pady=2)
self.style.configure('Ans.TEntry', foreground='Red', font=(NONE, 12))
self.ans_entry = Entry(self.answer_frame, style='Ans.TEntry', width=25)
self.ans_entry.grid(row=0, column=1, pady=2)
self.style.configure('Ans.TButton', forefround='Blue', font=(NONE, 12))
self.ans_sub_button = Button(self.answer_frame, text='Sign Up', style='Ans.TButton',
command=self.signup_button_click)
self.ans_sub_button.grid(row=0, column=2, pady=10, padx=150)
def signup_button_click(self):
signup_con = connect('AppDatabase.db')
signup_cur = signup_con.cursor()
signup_cur.execute("""update LoginData
set Question='{0}', Answer='{1}'
where Email='{1}'""".format(self.val.get(),
self.ans_entry.get(), send_email()))
signup_con.commit()
signup_con.close()
messagebox.showinfo('Successful', 'Successfully Signed Up')
self.destroy()
Login_Page.Login()
if __name__ == "__main__":
sign_up_frame = SignUp()
sign_up_frame.mainloop()
def send_email():
email_id = sign_up_frame.get_email()
return email_id
safety_question = SafetyQuestion()
safety_question.mainloop()