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| import pickle
import tkinter as tk
import tkinter.messagebox
window = tk.Tk()
window.title('登 录')
window.geometry('500x400')
l1 = tk.Label(window,text='用户名：',font= 12).place(x=100,y=82)
l2 = tk.Label(window,text='密 码：',font= 12).place(x=100,y=152)
var_user_name = tk.StringVar()
entry_user_name = tk.Entry(window,textvariable=var_user_name,font= 18,width=30,bd =5)
entry_user_name.place(x=180,y=80)
var_user_password = tk.StringVar()
entry_user_password = tk.Entry(window,textvariable=var_user_password,show='*',font= 18,width=30,bd =5)
entry_user_password.place(x=180,y=150)
def user_login_in():
user_name = var_user_name.get()
user_password = var_user_password.get()
try:
with open('user_info.pickle','rb') as user_file:
user_info = pickle.load(user_file)
except FileNotFoundError:
with open('user_info.pickle','wb') as user_file:
user_info = {'admin':'admin'}
pickle.dump(user_info,user_file)
if user_name ==' ' or user_password == ' ':
tk.messagebox.showerror(message='用户名或密码不能为空！')
elif user_name in user_info:
if user_password == user_info[user_name]:
tk.messagebox.showinfo(title='welcome',message='欢迎您：'+user_name)
else:
tk.messagebox.showerror(message='密码错误！')
else:
is_signup = tk.messagebox.askyesno('欢迎','您还没有注册，是否现在注册')
if is_signup:
user_sign_up()
def user_sign_up():
def registration():
input_name = new_name.get()
input_password = new_password.get()
input_password_confirm =new_password_confirm.get()
try:
with open('user_info.pickle','rb') as user_file:
exist_user_info = pickle.load((user_file))
except FileNotFoundError:
exist_user_info = {}
if input_name in exist_user_info:
tk.messagebox.showerror('错误','用户名已存在！')
elif input_password =='' or input_name =='':
tk.messagebox.showerror('错误','用户名或密码不能为空！')
elif input_password != input_password_confirm:
tk.messagebox.showerror('错误','密码前后不一致！')
else:
exist_user_info[input_name] = input_password
with open('user_info.pickle','wb') as user_file:
pickle.dump(exist_user_info,user_file)
tk.messagebox.showinfo('欢迎','注册成功！')
window_sign_up.destroy()
window_sign_up = tk.Toplevel(window)
window_sign_up.geometry('350x200')
window_sign_up.title('注册')
new_name = tk.StringVar()
tk.Label(window_sign_up,text='用户名：').place(x=10,y=10)
tk.Entry(window_sign_up,textvariable=new_name).place(x=150,y=10)
new_password = tk.StringVar()
tk.Label(window_sign_up,text='请输入密码：').place(x=10,y=50)
tk.Entry(window_sign_up,textvariable=new_password,show='*').place(x=150,y=50)
new_password_confirm = tk.StringVar()
tk.Label(window_sign_up,text='请再次确认密码：').place(x=10,y=90)
tk.Entry(window_sign_up,textvariable=new_password_confirm,show='*').place(x=150,y=90)
bt_confirm_sign_up = tk.Button(window_sign_up,text='确认注册',command=registration)
bt_confirm_sign_up.place(x=150,y=130)
def user_sign_out():
window.destroy()
bt_login = tk.Button(window,text='登 录',width=30,font= 18,bg='DarkTurquoise',activebackground='Turquoise',command=user_login_in)
bt_login.place(x=150,y=210)
bt_register = tk.Button(window,text='注册',width=25,command= user_sign_up)
bt_register.place(x=150,y=270)
bt_exit = tk.Button(window,text='退出',width=5,command = user_sign_out)
bt_exit.place(x=350,y=270)
window.mainloop()
|
