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gui.py
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gui.py
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import tkinter as tk
import tkinter.messagebox
from des import DES
class Gui:
def __init__(self):
# 定義GUI界面
window = tk.Tk()
window.title('DES加解密應用程式')
window.geometry('768x432')
window.resizable(False, False)
tk.Label(master=window, text='請在這裡輸入明文：').place(
x=10, y=70, width=120, height=26)
tk.Label(master=window, text='請在這裡輸入密鑰：').place(
x=10, y=163, width=120, height=26)
tk.Label(master=window, text='請在這裡輸入密文：').place(
x=10, y=245, width=120, height=26)
tk.Scrollbar()
self.plain_text = tk.Text(master=window,
highlightthickness=1.2,
highlightbackground='#CCCCCC',
highlightcolor='#A1CBF1',
height=9, width=82)
self.plain_text.place(x=140, y=30)
self.key_text = tk.Entry(master=window, show='*')
self.key_text.place(x=138, y=163, width=500, height=26)
self.cypher_text = tk.Text(master=window,
highlightthickness=1.2,
highlightbackground='#CCCCCC',
highlightcolor='#A1CBF1',
height=9, width=82)
self.cypher_text.place(x=140, y=203)
self.display_or_not = tk.IntVar()
encrypt_button = tk.Button(
master=window, text='DES加密', width=50,
height=30, command=lambda: self.des('encrypt'))
encrypt_button.place(x=200, y=350, width=80, height=26)
decrypt_button = tk.Button(
master=window, text='DES解密', width=50,
height=30, command=lambda: self.des('decrypt'))
decrypt_button.place(x=500, y=350, width=80, height=26)
clear_button = tk.Button(
master=window, text='清空數據', width=50,
height=30, command=self.des_clear)
clear_button.place(x=200, y=390, width=80, height=26)
exit_button = tk.Button(
master=window, text='退出程式', width=50,
height=30, command=self.des_exit)
exit_button.place(x=500, y=390, width=80, height=26)
password_display_selection = tk.Checkbutton(
master=window, text='顯示密碼',
variable=self.display_or_not,
onvalue=1, offvalue=0,
selectcolor="red",
command=self.display_password)
password_display_selection.place(x=640, y=163)
self.window = window
window.mainloop()
def des(self, type):
key_text = self.key_text.get()
if len(key_text) < 1:
tk.messagebox.showerror(title=None, message='請輸入密碼！！！')
return False
if type == 'encrypt':
plain_text = self.plain_text.get(0.0, 'end').split('\n')[0]
if len(plain_text) < 1:
tk.messagebox.showerror(title=None, message='請輸入明文！！！')
return False
return_text = DES().encrypt(plain_text, key_text)
self.plain_text.delete('1.0', 'end')
self.cypher_text.delete('1.0', 'end')
self.cypher_text.insert('end', return_text)
else:
cypher_text = self.cypher_text.get(0.0, 'end').split('\n')[0]
if len(cypher_text) < 1:
tk.messagebox.showerror(title=None, message='請輸入密文！！！')
return False
return_text = DES().decrypt(cypher_text, key_text)
self.cypher_text.delete('1.0', 'end')
self.plain_text.delete('1.0', 'end')
self.plain_text.insert('end', return_text)
print(return_text)
self.window.clipboard_clear()
self.window.clipboard_append(return_text)
def des_clear(self):
self.plain_text.delete('1.0', 'end')
self.key_text.delete('0', 'end')
self.cypher_text.delete('1.0', 'end')
def des_exit(self):
if tk.messagebox.askyesno(title='', message='你確定現在要退出本程式嗎？'):
self.window.quit()
def display_password(self):
if self.display_or_not.get() == 1:
self.key_text['show'] = ''
else:
self.key_text['show'] = '*'
if __name__ == '__main__':
Gui()