Grider Sizer布局

#-*- coding: UTF-8 -*-
import wx

class GridSizerFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self,None,-1,u"布局管理器-GridSizer",size=(300,150))
        panel=wx.Panel(self,-1)
        sizer=wx.GridSizer(rows=3,cols=3,hgap=5,vgap=5)
        colorList=[u'红',u'蓝',u'紫',u'绿',u'白',u'黑',u'黄']
        for color in colorList:
            btn=wx.Button(panel,-1,color)
            sizer.Add(btn,0,0)
        panel.SetSizer(sizer)
        panel.Fit()

if __name__=="__main__":
    app=wx.PySimpleApp()
    frame=GridSizerFrame()
    frame.Show()
    app.MainLoop()