import win32gui 
import win32com 
import win32com.client 
import pythoncom 
import time 
class Test: 
 def runtest(self): 
 print 'test' 
class EventHandler: 
 def OnVisible(self,visible): 
 global bVisibleEventFired 
 bVisibleEventFired = 1 
 def OnDownloadBegin(self): 
 print 'DownloadBegin' 
 self.runtest() 
 self.value = 1 
 def OnDownloadComplete(self): 
 print 'DownloadComplete' 
 self.value += 1 
 def OnDocumentComplete(self,pDisp=pythoncom.Missing,URL=pythoncom.Missing): 
 print 'documentComplete of %s' %URL 
 print self.value 
class H(Test,EventHandler): 
 pass 
ie = win32com.client.DispatchWithEvents('InternetExplorer.Application',H)
ie.Visible = 1 
ie.Navigate("www.gxlcms.com") 
pythoncom.PumpMessages() 
ie.Quit() 

运行该程序可打开www.gxlcms.com网站，同时输出如下结果：

DownloadBegin
test
DownloadComplete
DownloadBegin
test
DownloadComplete
documentComplete of http://pos.baidu.com/acom?adn=0&at=128&aurl=&cad=1&ccd=32&cec=gb2312&cfv=17&ch=0&col=zh-cn&conOP=0&cpa=1&dai=1&dis=0&layout_filter=rank%2Cimage<r=<u=http%3A%2F%2Fwww.gxlcms.com%2F&lunum=6&n=jb51_cpr&pcs=1387x729&pis=10000x10000&ps=2348x191&psr=1440x900&pss=1387x2350&qn=6a0cce8cf992d19c&rad=&rsi0=1000&rsi1=60&rsi5=4&rss0=&rss1=&rss2=&rss3=&rss4=&rss5=&rss6=&rss7=&scale=&skin=tabcloud_skin_6&stid=5&td_id=1919103&tn=baiduCustSTagLinkUnit&tpr=1433304842125&ts=1&version=2.0&xuanting=0&dtm=BAIDU_DUP2_SETJSONADSLOT&dc=2&di=u1919103&ti=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6_www.gxlcms.com&tt=1433304842078.47.125.125
2
documentComplete of http://www.gxlcms.com/
2
DownloadBegin
test
DownloadComplete
documentComplete of http://pos.baidu.com/wh/o.htm?ltr=&cf=u
2
DownloadBegin
test
DownloadComplete

希望本文所述对大家的Python程序设计有所帮助。