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這篇文章主要介紹“python的tkinter如何實現簡單登錄”，在日常操作中，相信很多人在python的tkinter如何實現簡單登錄問題上存在疑惑，小編查閱了各式資料，整理出簡單好用的操作方法，希望對大家解答”python的tkinter如何實現簡單登錄”的疑惑有所幫助！接下來，請跟著小編一起來學習吧！
參考文章：http://www.mlszssj.com/article/197751.htm
編寫一個用戶登錄界面，用戶可以登錄賬戶信息，如果賬戶已經存在，可以直接登錄，登錄名或者登錄密碼輸入錯誤會提示，如果賬戶不存在，提示用戶注冊，點擊注冊進去注冊頁面，輸入注冊信息，確定后便可以返回登錄界面進行登錄。進入個人主頁可以對個人信息進行修改。
import tkinter as tk
from tkinter import messagebox # import this to fix messagebox error
import pickle
username = ''
# 登錄界面
def welcome():
def usr_login():
usr_name = var_usr_name.get()
usr_pwd = var_usr_pwd.get()
try:
with open('usrs_info.pickle', 'rb') as usr_file:
usrs_info = pickle.load(usr_file)
usr_file.close()
except FileNotFoundError:
with open('usrs_info.pickle', 'wb') as usr_file:
usrs_info = {'admin': 'admin'}
pickle.dump(usrs_info, usr_file)
usr_file.close()
if usr_name in usrs_info:
if usr_pwd == usrs_info[usr_name]:
tk.messagebox.showinfo(title='Welcome', message='How are you? ' + usr_name)
# 進入主頁
global username
username= usr_name
print(username)
window.destroy()
index_page()
else:
tk.messagebox.showerror(message='Error, your password is wrong, try again.')
else:
is_sign_up = tk.messagebox.askyesno('Welcome', 'You have not signed up yet. Sign up today?')
if is_sign_up:
usr_sign_up()
window = tk.Tk()
window.title('Welcome to the login page!')
window.geometry('450x300')
# welcome image
canvas = tk.Canvas(window, height=200, width=500)
image_file = tk.PhotoImage(file='welcome.gif')
image = canvas.create_image(0, 0, anchor='nw', image=image_file)
canvas.pack(side='top')
# user information
tk.Label(window, text='User name: ').place(x=50, y=150)
tk.Label(window, text='Password: ').place(x=50, y=190)
var_usr_name = tk.StringVar()
entry_usr_name = tk.Entry(window, textvariable=var_usr_name)
entry_usr_name.place(x=160, y=150)
var_usr_pwd = tk.StringVar()
entry_usr_pwd = tk.Entry(window, textvariable=var_usr_pwd, show='*')
entry_usr_pwd.place(x=160, y=190)
# login and sign up button
btn_login = tk.Button(window, text='Login', command=usr_login)
btn_login.place(x=170, y=230)
btn_sign_up = tk.Button(window, text='Sign up', command=usr_sign_up)
btn_sign_up.place(x=270, y=230)
window.mainloop()
# 個人信息頁面
def index_page():
global username
index_window = tk.Tk()
index_window.title('請選擇你要進行的操作')
index_window.geometry('300x200')
tk.Label(index_window,text="你好!"+username).place(x=50,y=50)
# 修改個人信息
def change_personal_info():
# 新窗口
change_info__window = tk.Toplevel()
change_info__window.title('修改個人信息')
change_info__window.geometry('400x300')
# 修改個人信息點擊頁面
def change_info_click():
name = new_name.get()
psw = new_password.get()
conpsw = new_password_confirm.get()
with open('usrs_info.pickle', 'rb') as f:
usrs_info = pickle.load(f)
f.close()
if conpsw!= psw:
tk.messagebox.showerror(title='Error', message='兩次密碼不一致請重新輸入！')
else:
if name in usrs_info:
tk.messagebox.showerror(title='Error', message='用戶名已存在，請重新換一個新用戶名')
else:
# 創建新
usrs_info.pop(username)
usrs_info[name] = psw
with open('usrs_info.pickle', 'wb') as file:
pickle.dump(usrs_info, file)
f.close()
tk.messagebox.showinfo(title='修改成功', message='修改成功！')
change_info__window.destroy()
tk.messagebox.showinfo(title='請重新登錄！', message='請重新登錄！')
index_window.destroy()
welcome()
# 修改用戶名變量
new_name = tk.StringVar()
tk.Label(change_info__window, text="用戶名：").place(x=50, y=50)
new_name_entry = tk.Entry(change_info__window, show=None, textvariable=new_name).place(x=120, y=50)
# 修改新密碼變量
new_password = tk.StringVar()
tk.Label(change_info__window, text='密碼:').place(x=50, y=80)
new_password_entry = tk.Entry(change_info__window, show="*", textvariable=new_password).place(x=120, y=80)
# 修改新確認密碼變量
new_password_confirm = tk.StringVar()
tk.Label(change_info__window, text="確認密碼：").place(x=50, y=110)
new_password_confirm_entry = tk.Entry(change_info__window, show="*", textvariable=new_password_confirm).place(x=120,
y=110)
# 修改信息按鈕綁定
sign_window_button = tk.Button(change_info__window, text='確認', command=change_info_click).place(x=150, y=140)
# 修改個人信息按鈕綁定
change_info_button = tk.Button(index_window,text='修改個人信息',command=change_personal_info).place(x=100,y=100)
# 注冊頁面
def usr_sign_up():
sign_up_window = tk.Toplevel()
sign_up_window.title('注冊')
sign_up_window.geometry('400x200')
# 注冊點擊事件
def sign_up_hit():
name = new_name.get()
psw = new_password.get()
conpsw = new_password_confirm.get()
with open('usrs_info.pickle', 'rb') as usr_file:
usrs_info = pickle.load(usr_file)
if psw!=conpsw:
tk.messagebox.showerror(title='Error', message='兩次密碼不一致請重新輸入！')
else:
if name in usrs_info:
tk.messagebox.showerror(title='Error', message='用戶名已存在')
else:
# 創建新
usrs_info[name] = psw
with open('usrs_info.pickle', 'wb') as f:
pickle.dump(usrs_info,f)
tk.messagebox.showinfo(title='注冊成功', message='注冊成功！')
sign_up_window.destroy()
# 注冊名變量
new_name = tk.StringVar()
tk.Label(sign_up_window,text="注冊名：").place(x=50,y=50)
new_name_entry = tk.Entry(sign_up_window,show=None,textvariable=new_name).place(x=120,y=50)
# 注冊密碼變量
new_password = tk.StringVar()
tk.Label(sign_up_window,text='密碼:').place(x=50,y=80)
new_password_entry = tk.Entry(sign_up_window,show="*",textvariable=new_password).place(x=120,y=80)
# 注冊確認密碼變量
new_password_confirm= tk.StringVar()
tk.Label(sign_up_window,text="確認密碼：").place(x=50,y=110)
new_password_confirm_entry = tk.Entry(sign_up_window,show="*",textvariable=new_password_confirm).place(x=120,y=110)
# 注冊按鈕和點擊事件綁定
sign_window_button = tk.Button(sign_up_window,text='注冊',command=sign_up_hit).place(x=150,y=140)
welcome()
發現已注銷除非重新注冊。
發現成功修改個人信息。登陸上。
到此，關于“python的tkinter如何實現簡單登錄”的學習就結束了，希望能夠解決大家的疑惑。理論與實踐的搭配能更好的幫助大家學習，快去試試吧！若想繼續學習更多相關知識，請繼續關注億速云網站，小編會繼續努力為大家帶來更多實用的文章！
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