Python tkinter

在python3.4中，原来的tkMessageBox变成tkinter.messagebox，使用方式如下：

import tkinter.messagebox

tkinter.messagebox.askokcancel('提示','登录成功!')

tkinter.messagebox中有如下函数：

askokcancel(title=None, message=None, **options)

Ask if operation should proceed; return true if the answer is ok

askquestion(title=None, message=None, **options)

Ask a question

askretrycancel(title=None, message=None, **options)

Ask if operation should be retried; return true if the answer is yes

askyesno(title=None, message=None, **options)

Ask a question; return true if the answer is yes

askyesnocancel(title=None, message=None, **options)

Ask a question; return true if the answer is yes, None if cancelled.

showerror(title=None, message=None, **options)

Show an error message

showinfo(title=None, message=None, **options)

Show an info message

showwarning(title=None, message=None, **options)

Show a warning message