我正在尝试制作一个基本的登录表单。我在将值传递给我检查用户名和密码的函数时遇到了问题。
这是我的代码:
from tkinter import *
class Application(Frame):
def __init__(self,master):
super(Application, self).__init__(master)#Set __init__ to the master class
self.grid()
self.create_main()#Creates function
def create_main(self):
print("testing")
self.title = Label(self, text=" Stuck In The Circle ")#TITLE
self.title.grid(row=0, column=2)
self.user_entry_label = Label(self, text="Username: ")#USERNAME LABEL
self.user_entry_label.grid(row=1, column=1)
self.user_entry = Entry(self) #USERNAME ENTRY BOX
self.user_entry.grid(row=1, column=2)
self.pass_entry_label = Label(self, text="Password: ")#PASSWORD LABEL
self.pass_entry_label.grid(row=2, column=1)
self.pass_entry = Entry(self) #PASSWORD ENTRY BOX
self.pass_entry.grid(row=2, column=2)
self.sign_in_butt = Button(self, text="Sign In",command = self.logging_in)#SIGN IN BUTTON
self.sign_in_butt.grid(row=5, column=2)
def logging_in(self):
print("hi")
user_get = user_entry.get()#Retrieve Username
pass_get = pass_entry.get()#Retrieve Password
if user_get == 'sam':
if pass_get == '123':
print("Welcome!")
#Main
root = Tk()
root.title("Stuck in the Circle")
root.geometry("400x100")
app = Application(root)#The frame is inside the widgit
root.mainloop()#Keeps the window open/running
这是我的错误:
Tkinter回调中的异常回溯(最近一次调用最后一次):文件" C:\ Users \ Sam \ AppData \ Local \ Programs \ Python \ Python35-32 \ lib \ tkinter_init_.py",第1549行,在调用return self.func(* args)File" C:/ Users / Sam / Desktop / Computer Science / Python / Python- Modules / Tkinter / Tkinter Projects / Login Form GUI.py",第31行,在logging_in user_get = user_entry.get()#Require用户名NameError:name' user_entry'未定义
答案 0 :(得分:3)
def logging_in(self):
print("hi")
user_get = self.user_entry.get()#Retrieve Username
pass_get = self.pass_entry.get()#Retrieve Password
使用self.user_entry.get()
当您调用类变量时,需要通过self.variable_name