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()