python光学仿真学习wxpython创建手速测试程序

import wx
import time #时间模块
class testFrame(wx.Frame):
 def __init__(self, parent=None, title="test",size=(300,320)):
  wx.Frame.__init__(self,parent=parent, title=title,size=size)
  self.SetBackgroundColour(wx.Colour(222,222,222))
  self.timeStart=0
  self.count=0
  self.setText = wx.TextCtrl(self,value="input",
pos=(10,10),size=(240,240),style=wx.TE_MULTILINE)
  self.ratioSlider = wx.Slider(self,
minValue=0,maxValue=20,pos=(260,10),size=(20,220),
style=wx.SL_VERTICAL|wx.SL_INVERSE)
  self.ratioLabel = wx.StaticText(self,-1,"0",
pos=(260,240),size=(20,10))
  self.setText.Bind(wx.EVT_TEXT,self.onCount)
  self.setText.Bind(wx.EVT_TEXT_ENTER,self.onText)
 def onText(self,evt):
  self.count = 0  #敲击回车时，计数清零
  self.timeStart=time.time()  #当前时间，单位为秒
 def onCount(self,evt):
  self.count += 1
  if self.timeStart==0:
self.timeStart = time.time()
  ratio = self.count/(time.time()-self.timeStart)
  self.ratioSlider.SetValue(ratio)
  self.ratioLabel.SetLabel(str(ratio))
if __name__ == '__main__':
 app = wx.App()
 frame = testFrame(title="test")
 frame.Show()
 app.MainLoop()