【traits-traitsui-基础】-03-控件File

import win32api 
import win32con
from traits.api import HasTraits, Button, File
from traitsui.api import View, Item, Group, HGroup, VGroup


class Ui(HasTraits):
   input = File()
   button = Button("点我")    
    
    def _button_fired(self):
       input_str = self.input
       tips = "选择文件地址为:\n\n{0}".format(input_str)
       win32api.MessageBox(0, tips, "提示", win32con.MB_OK)   g1 = [Item("input", style="simple", width=500, show_label=False, emphasized=True),          
          "_",
         Item("button", style="simple", show_label=False)]   view = View(Group(*g1, label="控件File", show_border=True),
               resizable=True, title="ui")ui = Ui()
ui.configure_traits()