这段代码调用ie浏览器下载网页上的所有图片，并保存到本地

import win32com.client,time,win32inet,win32file,os  class ImgDownloader:      def __init__(self,url,dir):          self.__dir=dir          self.__ie=win32com.client.Dispatch('InternetExplorer.Application.1')          self.__ie.Navigate(url)          self.__ie.Visible = 1          self.__wait__()         def __wait__(self):          while self.__ie.Busy:              time.sleep(0.5)         def start(self):          self.__wait__()          imgs=self.__ie.Document.getElementsByTagName('img')                 for i in range(imgs.length):              try:                  cachInfo=win32inet.GetUrlCacheEntryInfo(imgs[i].src)                  if cachInfo:                      path=cachInfo['LocalFileName']                      pathinfo=path.split('\\')                      pathinfo.reverse()                      filename=('[%d]' % i) + pathinfo[0]                           win32file.CopyFile(path,os.path.join(self.__dir,filename),True)              except:                  pass      def close(self):          self.__ie.Quit()     if __name__=='__main__':      d=ImgDownloader('http://www.open-open.com','E:\\temp\\')      d.start()      d.close()