Python 如何允许tkinter窗口多次打开
我正在用python制作一个临时登录系统。目前,如果您输入正确的密码,它会弹出一个新的管理窗口。如果您输入了错误的密码,它会弹出一个显示错误密码的新窗口。如果您退出其中一个窗口,然后再次尝试输入密码,则密码将中断Python 如何允许tkinter窗口多次打开,python,tkinter,Python,Tkinter,我正在用python制作一个临时登录系统。目前,如果您输入正确的密码,它会弹出一个新的管理窗口。如果您输入了错误的密码,它会弹出一个显示错误密码的新窗口。如果您退出其中一个窗口,然后再次尝试输入密码,则密码将中断tkinter.TclError:无法调用“wm”命令:应用程序已被破坏是否有办法防止这种情况发生,以便如果有人输入错误的密码,他们不需要重新启动应用程序 import tkinter from tkinter import * #define root window root = t
tkinter.TclError:无法调用“wm”命令:应用程序已被破坏
是否有办法防止这种情况发生,以便如果有人输入错误的密码,他们不需要重新启动应用程序
import tkinter
from tkinter import *
#define root window
root = tkinter.Tk()
root.minsize(width=800, height = 600)
root.maxsize(width=800, height = 600)
#define admin window
admin = tkinter.Tk()
admin.minsize(width=800, height = 600)
admin.maxsize(width=800, height = 600)
admin.withdraw()
#define wrong window
wrong = tkinter.Tk()
wrong.minsize(width=200, height = 100)
wrong.maxsize(width=200, height = 100)
wrong.withdraw()
Label(wrong, text="Sorry that password is incorrect!", font=("Arial", 24), anchor=W, wraplength=180, fg="red").pack()
#Admin sign in Label
areAdmin = Label(root, text="Administrator sign in", font=("Arial", 18))
areAdmin.pack()
#password label and password
passwordLabel = Label(root, text="Password: ", font=("Arial", 12))
passwordLabel.place(x=300, y=30)
#password entry
adminPasswordEntry = Entry(root)
adminPasswordEntry.place(x=385, y=32.5)
#function for button
def getEnteredPassword():
enteredPassword = adminPasswordEntry.get()
if enteredPassword == password:
admin.deiconify()
else:
wrong.deiconify()
#enter button for password
passwordEnterButton = Button(root, text="Enter", width=20, command=getEnteredPassword)
passwordEnterButton.place(x=335, y=60)
mainloop()
我不太清楚,但是我可以修复你的代码,我希望这是一个正确的修复
Toplevel
窗口而不是Tk
。这些是对话框窗口,而不是必须唯一的Tk
窗口。相同的外观和感觉,相同的方法import tkinter
from tkinter import *
password="good"
#define root window
root = tkinter.Tk()
root.minsize(width=800, height = 600)
root.maxsize(width=800, height = 600)
#Admin sign in Label
areAdmin = Label(root, text="Administrator sign in", font=("Arial", 18))
areAdmin.pack()
#password label and password
passwordLabel = Label(root, text="Password: ", font=("Arial", 12))
passwordLabel.place(x=300, y=30)
#password entry
adminPasswordEntry = Entry(root)
adminPasswordEntry.place(x=385, y=32.5)
#function for button
def getEnteredPassword():
enteredPassword = adminPasswordEntry.get()
if enteredPassword == password:
admin = tkinter.Toplevel()
admin.minsize(width=800, height = 600)
admin.maxsize(width=800, height = 600)
#admin.withdraw()
else:
wrong = tkinter.Toplevel()
wrong.minsize(width=200, height = 100)
wrong.maxsize(width=200, height = 100)
Label(wrong, text="Sorry that password is incorrect!", font=("Arial", 24), anchor=W, wraplength=180, fg="red").pack()
#enter button for password
passwordEnterButton = Button(root, text="Enter", width=20, command=getEnteredPassword)
passwordEnterButton.place(x=335, y=60)
mainloop()
有趣的是,我开始在if语句中编码admin,然后决定不太做,我想我应该这么做,谢谢你的回答。什么是错误的=None和admin=None?