多线程的界面操作,多线程界面操作,# coding=UTF
# coding=UTF-8 import wximport threadingimport randomclass WorkerTread(threading.Thread): def __init__(self,threadNum,window): threading.Thread.__init__(self) self.threadNum = threadNum self.window = window self.timeToQuit = threading.Event() self.timeToQuit.clear() self.messageCount = random.randint(10,20) self.messageDelay = 0.1 + 2.0*random.random() def stop(self): self.timeToQuit.set() def run(self): msg = u"线程 %d 执行 %d次 延迟 %1.4f\\n" %(self.threadNum,self.messageCount,self.messageDelay) wx.CallAfter(self.window.LogMessage,msg) for i in range(1,self.messageCount+1): self.timeToQuit.wait(self.messageDelay) if self.timeToQuit.isSet(): break msg = u"信息 %d 来自于线程 %d\\n" % (i,self.threadNum) wx.CallAfter(self.window.LogMessage,msg) else: wx.CallAfter(self.window.ThreadFinished,self)class MyFrame(wx.Frame): def __init__(self): wx.Frame.__init__(self,None,title=u"多线程演示界面") self.threads = [] self.count = 0 Panel = wx.Panel(self) startBtn = wx.Button(Panel,-1,u"开启一个线程") stopBtn = wx.Button(Panel,-1,u"停止所有线程") self.tc = wx.StaticText(Panel,-1,u"工作的线程:00") self.log = wx.TextCtrl(Panel,-1,"",style = wx.TE_RICH|wx.TE_MULTILINE) inner = wx.BoxSizer(wx.HORIZONTAL) inner.Add(startBtn,0,wx.RIGHT,15) inner.Add(stopBtn,0,wx.RIGHT,15) inner.Add(self.tc,0,wx.ALIGN_CENTER_VERTICAL) main = wx.BoxSizer(wx.VERTICAL) main.Add(inner,0,wx.ALL,5) main.Add(self.log,1,wx.EXPAND|wx.ALL,5) Panel.SetSizer(main) self.Bind(wx.EVT_BUTTON,self.OnStartButton,startBtn) self.Bind(wx.EVT_BUTTON,self.OnStopButton,stopBtn) self.Bind(wx.EVT_CLOSE,self.OnCloseWindow) self.UpdateCount() def OnStartButton(self,evt): self.count +=1 thread = WorkerTread(self.count,self) self.threads.append(thread) self.UpdateCount() thread.start() def OnStopButton(self,evt): self.StopTreads() self.UpdateCount() def OnCloseWindow(self,evt): self.StopTreads() self.Destroy() def StopTreads(self): while self.threads: thread = self.threads[0] thread.stop() self.threads.remove(thread) def UpdateCount(self): self.tc.SetLabel(u"工作线程: %d" % len(self.threads)) def LogMessage(self,msg): self.log.AppendText(msg) def ThreadFinished(self,thread): self.threads.remove(thread) self.UpdateCount()if __name__=='__main__': app = wx.PySimpleApp() frm = MyFrame() frm.Show() app.MainLoop()#该片段来自于http://byrx.net
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