按紐 輸入密碼 驗證

空架構

import tkinter as tk
win=tk.Tk()
win.geometry("300x300")
label1=tk.Label(win,text="ggg")
label1.pack()
entry1=tk.Entry(win)
entry1.pack()
button1=tk.Button(win,text="send")
button1.pack()
win.mainloop()

def checkPW():
    if(pw.get()=="1234"):
        msg.set("歡迎光臨")
    else :
        msg.set("錯的密碼")
import tkinter as tk
win=tk.Tk()
win.geometry("200x400")
win.title("登入之間")
label1=tk.Label(win,text="請輸入密碼")
label1.pack()
pw=tk.StringVar()
msg=tk.StringVar()
entry1=tk.Entry(win,textvariable=pw)
button1=tk.Button(win,text="登入",command=checkPW)
msglabel=tk.Label(win,textvariable=msg)
entry1.pack()
button1.pack()
msglabel.pack()
win.mainloop()