我是从youtuber的视频中找到此代码的。我正在使自己的系统与此非常相似，并且我想添加他的功能之一，但是，我不知道他是如何做到的。
from tkinter import *
from tkinter import messagebox
import tkinter.messagebox
# ****** GLOBAL VARIABLES ******
objects = []
window = Tk()
window.withdraw()
window.title('Email Storage')
class popupWindow(object):
loop = False
attempts = 0
def __init__(self, master):
top = self.top = Toplevel(master)
top.title('Input Password')
top.geometry('{}x{}'.format(250, 100))
top.resizable(width=False, height=False)
self.l = Label(top, text=" Password: ", font=('Courier', 14), justify=CENTER)
self.l.pack()
self.e = Entry(top, show='*', width=30)
self.e.pack(pady=7)
self.b = Button(top, text='Submit', command=self.cleanup, font=('Courier', 14))
self.b.pack()
def cleanup(self):
self.value = self.e.get()
access = 'tim'
if self.value == access:
self.loop = True
self.top.destroy()
window.deiconify()
else:
self.attempts += 1
if self.attempts == 5:
window.quit()
self.e .delete(0, 'end')
messagebox.showerror('Incorrect Password', 'Incorrect password, attempts remaining: ' + str(5 - self.attempts))
class entity_add:
def __init__(self, master, n, p, e):
self.password = p
self.name = n
self.email = e
self.window = master
def write(self):
f = open('emails.txt', "a")
n = self.name
e = self.email
p = self.password
encryptedN = ""
encryptedE = ""
encryptedP = ""
for letter in n:
if letter == ' ':
encryptedN += ' '
else:
encryptedN += chr(ord(letter) + 5)
for letter in e:
if letter == ' ':
encryptedE += ' '
else:
encryptedE += chr(ord(letter) + 5)
for letter in p:
if letter == ' ':
encryptedP += ' '
else:
encryptedP += chr(ord(letter) + 5)
f.write(encryptedN + ',' + encryptedE + ',' + encryptedP + ', \n')
f.close()
class entity_display:
def __init__(self, master, n, e, p, i):
self.password = p
self.name = n
self.email = e
self.window = master
self.i = i
dencryptedN = ""
dencryptedE = ""
dencryptedP = ""
for letter in self.name:
if letter == ' ':
dencryptedN += ' '
else:
dencryptedN += chr(ord(letter) - 5)
for letter in self.email:
if letter == ' ':
dencryptedE += ' '
else:
dencryptedE += chr(ord(letter) - 5)
for letter in self.password:
if letter == ' ':
dencryptedP += ' '
else:
dencryptedP += chr(ord(letter) - 5)
self.label_name = Label(self.window, text=dencryptedN, font=('Courier', 14))
self.label_email = Label(self.window, text=dencryptedE, font=('Courier', 14))
self.label_pass = Label(self.window, text=dencryptedP, font=('Courier', 14))
self.deleteButton = Button(self.window, text='X', fg='red', command=self.delete)
def display(self):
self.label_name.grid(row=6 + self.i, sticky=W)
self.label_email.grid(row=6 + self.i, column=1)
self.label_pass.grid(row=6 + self.i, column=2, sticky=E)
self.deleteButton.grid(row=6 + self.i, column=3, sticky=E)
def delete(self):
answer = tkinter.messagebox.askquestion('Delete', 'Are you sure you want to delete this entry?')
if answer == 'yes':
for i in objects:
i.destroy()
f = open('emails.txt', 'r')
lines = f.readlines()
f.close()
f = open('emails.txt', "w")
count = 0
for line in lines:
if count != self.i:
f.write(line)
count += 1
f.close()
readfile()
def destroy(self):
self.label_name.destroy()
self.label_email.destroy()
self.label_pass.destroy()
self.deleteButton.destroy()
# ******* FUNCTIONS *********
def onsubmit():
m = email.get()
p = password.get()
n = name.get()
e = entity_add(window, n, p, m)
e.write()
name.delete(0, 'end')
email.delete(0, 'end')
password.delete(0, 'end')
messagebox.showinfo('Added Entity', 'Successfully Added, \n' + 'Name: ' + n + '\nEmail: ' + m + '\nPassword: ' + p)
readfile()
def clearfile():
f = open('emails.txt', "w")
f.close()
def readfile():
f = open('emails.txt', 'r')
count = 0
for line in f:
entityList = line.split(',')
e = entity_display(window, entityList[0], entityList[1], entityList[2], count)
objects.append(e)
e.display()
count += 1
f.close()
# ******* GRAPHICS *********
m = popupWindow(window)
entity_label = Label(window, text='Add Entity', font=('Courier', 18))
name_label = Label(window, text='Name: ', font=('Courier', 14))
email_label = Label(window, text='Email: ', font=('Courier', 14))
pass_label = Label(window, text='Password: ', font=('Courier', 14))
name = Entry(window, font=('Courier', 14))
email = Entry(window, font=('Courier', 14))
password = Entry(window, show='*', font=('Courier', 14))
submit = Button(window, text='Add Email', command=onsubmit, font=('Courier', 14))
entity_label.grid(columnspan=3, row=0)
name_label.grid(row=1, sticky=E, padx=3)
email_label.grid(row=2, sticky=E, padx=3)
pass_label.grid(row=3, sticky=E, padx=3)
name.grid(columnspan=3, row=1, column=1, padx=2, pady=2, sticky=W)
email.grid(columnspan=3, row=2, column=1, padx=2, pady=2, sticky=W)
password.grid(columnspan=3, row=3, column=1, padx=2, pady=2, sticky=W)
submit.grid(columnspan=3, pady=4)
name_label2 = Label(window, text='Name: ', font=('Courier', 14))
email_label2 = Label(window, text='Email: ', font=('Courier', 14))
pass_label2 = Label(window, text='Password: ', font=('Courier', 14))
name_label2.grid(row=5)
email_label2.grid(row=5, column=1)
pass_label2.grid(row=5, column=2)
readfile()
window.mainloop()
如果运行此命令（密码为“ tim”），您将看到输入名称，电子邮件和密码后，它将被添加到可见列表中。我想在自己的代码中添加类似的内容，但是我不确定是什么原因引起的。如果您知道，请提供代码段。谢谢，Tf0R24
