简易登录系统窗口的制作

import time
from tkinter import *
from tkinter import messagebox

class Application(Frame):

    
    def __init__(self, master=None):
        super().__init__(master)
        self.master = master
        self.pack()
        self.creatWidget()

    
    def creatWidget(self):
        self.Label01 = Label(self, text='用户名')
        self.Label01.pack()

        v1 = StringVar()
        self.entry01 = Entry(self, textvariable=v1)
        self.entry01.pack()


        self.Label02 = Label(self, text='密码')
        self.Label02.pack()

        v2 = StringVar()
        self.entry02 = Entry(self, textvariable=v2, show="*")
        self.entry02.pack()

        Button(self, text="登录", command=self.login).pack()


    def login(self):
        username = self.entry01.get()
        pwd = self.entry02.get()
        print("数据库比对，用户名和密码正确")
        print("用户名："+username)
        print("密码：" +pwd)
        print("登录时间:"+str(time.time()))

        if username=="123456" and pwd=="123456":
            messagebox.showinfo("xx登录系统", "登录成功！")
        else:
            messagebox.showinfo("xx登录系统","用户名或密码错误！")

if __name__=='__main__':
    root = Tk()
    root.geometry("400x130+300+200")
    app = Application(master=root)
    root.mainloop()