python实例代码 python文件打开对话框

python文件打开对话框的例子，代码如下：

#!/bin/python
#edit by www.jb200.com

from Tkinter import *
from tkMessageBox import *
from tkColorChooser import askcolor
from tkFileDialog   import askopenfilename

def callback():
    askopenfilename()

errmsg = 'Error!'
Button(text='Quit', command=callback).pack(fill=X)
Button(text='Spam', command=(lambda: showerror('Spam', errmsg))).pack(fill=X)
mainloop()

如下图所示：