这篇文章主要介绍python做一个登录注册界面的方法，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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python做一个登录注册界面的方法：首先初始化一个window界面，并使用画布实现欢迎的logo；然后用代码实现登录和注册按钮；接着并进行登录判断代码；最后完成注册界面即可。
python做一个登录注册界面的方法：
一、登录界面
1、首先初始化一个window界面
window = tk.Tk()
window.title('Welcome to Mofan Python')
window.geometry('450x300')
.
.
.
window.mainloop()2、界面需要一个欢迎的logo,主要使用画布实现
#welcome image
#创建一个200X500的画布
canvas = tk.Canvas(window,height = 200,width = 500)
#logo的路径
image_file = tk.PhotoImage(file = 'E:\\welcome.gif')
#什么位置插入logo图片
image = canvas.create_image(0,0,anchor = 'nw',image = image_file)
canvas.pack(side = 'top')3、接下来主要是登录界面的代码实现
tk.Label(window,text = 'Username:').place(x = 50,y = 150)
tk.Label(window,text = 'Password:').place(x = 50,y = 190)
var_usr_name = tk.StringVar()
#默认值为MrZhangxd@python.com
var_usr_name.set('MrZhangxd@python.com')
var_usr_pwd = tk.StringVar()
entry_usr_name = tk.Entry(window,textvariable = var_usr_name)
entry_usr_name.place(x = 160,y = 150)
entry_usr_pwd = tk.Entry(window,textvariable = var_usr_pwd,show ='*')
entry_usr_pwd.place(x = 160,y = 190)4、登录和注册按钮的实现代码
#Login and Sign up button
# command = usr_login 调用usr_login函数
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)5、进行登录判断代码：主要用函数判断
声明usr_login函数
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)
except FileNotFoundError:
with open('usrs_info','wb') as usr_file:
usrs_info = {'admin':'admin'}
pickle.dump(usrs_info,usr_file)
if usr_name in usrs_info:
if usr_pwd == usrs_info[usr_name]:
tk.messagebox.showinfo(title = 'Welcome',message = 'How are you?' + usr_name)
else:
tk.messagebox.showinfo(message = 'Error,your password is wrong,try again.')
else:
is_sign_up = tk.messagebox.askyesno('Welcome','You hava not sign up yet.Sign up today?')
if is_sign_up:
usr_sign_up()登录用户不存在需要注册
二、注册界面
差不多和登录界面一样，然后不进行细细的说明了，有不懂地方的可以给下文邮件地址发邮箱。
def usr_sign_up():
def sign_to_Mofan_Python():
np = new_pwd.get()
npf = new_pwd_confirm.get()
nn = new_name.get()
with open('usrs_info','rb') as usr_file:
exist_usr_info = pickle.load(usr_file)
if np!= npf:
tk.messagebox.showerror('Error','Password and confirm password must be the same!')
elif nn in exist_usr_info:
tk.messagebox.showerror('Error','The user has already signed up!')
else:
exist_usr_info[nn] = np
with open('usrs_info.pickle','wb') as usr_file:
pickle.dump(exist_usr_info,usr_file)
tk.messagebox.showinfo('Welcome','You have successfully signed up!')
window_sign_up.destroy()
window_sign_up = tk.Toplevel(window)
window_sign_up.geometry('350x200')
window_sign_up.title('Sign up window')
new_name = tk.StringVar()
new_name.set('MrZhangxd@python.com')
tk.Label(window_sign_up,text = 'Username:').place(x = 10,y = 10)
entry_new_name = tk.Entry(window_sign_up,textvariable = new_name)
entry_new_name.place(x = 150,y = 10)
new_pwd = tk.StringVar()
tk.Label(window_sign_up,text = 'Password:').place(x = 10,y = 50)
entry_new_pwd = tk.Entry(window_sign_up,textvariable = new_pwd,show = '*')
entry_new_pwd.place(x = 150,y = 50)
new_pwd_confirm = tk.StringVar()
tk.Label(window_sign_up,text = 'Confirm password:').place(x = 10,y = 90)
entry_comfirm_sign_up = tk.Entry(window_sign_up,textvariable = new_pwd_confirm,show = '*')
entry_comfirm_sign_up.place(x = 150,y = 90)
btn_comfirm_sign_up = tk.Button(window_sign_up,text = 'Sign up',command = sign_to_Mofan_Python)
btn_comfirm_sign_up.place(x = 150,y = 130)三、运行界面截图
登录界面
注册界面
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