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  • wxpython多线程间通信

    #!bin/bash/python
    # -*- coding=utf-8 -*-
    
    import time
    import wx
    from threading import Thread
    from wx.lib.pubsub import pub
    
    class TestThread(Thread):
        def __init__(self):
            Thread.__init__(self)
            self.start()
        def run(self):
            #线程执行的代码
            for i in range(101):
                time.sleep(0.03)
                wx.CallAfter(pub.sendMessage, "update", msg=i)
                time.sleep(0.5)
    
    class MyForm ( wx.Frame ):
        def __init__( self, parent ):
            wx.Frame.__init__ ( self, parent, id = wx.ID_ANY, title = "www.OmegaXYZ.com", pos = wx.DefaultPosition, size = wx.Size( -1,-1 ), style = wx.DEFAULT_FRAME_STYLE|wx.TAB_TRAVERSAL )
            self.SetSizeHintsSz( wx.DefaultSize, wx.DefaultSize )
            gSizer2 = wx.GridSizer( 0, 3, 0, 0 )
            self.m_button2 = wx.Button( self, wx.ID_ANY, "执行线程", wx.DefaultPosition, wx.DefaultSize, 0 )
            gSizer2.Add( self.m_button2, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
            self.m_staticText2 = wx.StaticText( self, wx.ID_ANY, "MyLabel", wx.DefaultPosition, wx.DefaultSize, 0 )
            self.m_staticText2.Wrap( -1 )
            gSizer2.Add( self.m_staticText2, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
            self.m_gauge1 = wx.Gauge( self, wx.ID_ANY, 100, wx.DefaultPosition, wx.DefaultSize, wx.GA_HORIZONTAL )
            self.m_gauge1.SetValue( 0 )
            gSizer2.Add( self.m_gauge1, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
            self.SetSizer( gSizer2 )
            self.Layout()
            gSizer2.Fit( self )
            self.Centre( wx.BOTH )
            self.m_button2.Bind( wx.EVT_BUTTON, self.onButton )
    
            pub.subscribe(self.updateDisplay, "update")
        def updateDisplay(self, msg):
            t = msg
            if isinstance(t, int):#如果是数字,说明线程正在执行,显示数字
                self.m_staticText2.SetLabel("%s%%" % t)
                self.m_gauge1.SetValue( t )
            else:#否则线程未执行,将按钮重新开启
                self.m_staticText2.SetLabel("%s" % t)
                self.m_button2.Enable()
        def onButton( self, event ):
            TestThread()
            self.m_staticText2.SetLabel("线程开始")
            event.GetEventObject().Disable()
    
    
    if __name__ == "__main__":
        app = wx.App()
        MyForm(None).Show()
        app.MainLoop()

     

    摘抄: http://www.omegaxyz.com/2017/10/31/wxpython_thread_sendmessage/

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  • 原文地址:https://www.cnblogs.com/douzujun/p/10719458.html
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