allfile=os.listdir(".")
#从第二页下到最后一页
for i in range(2,pagenum+1):
if '%d.swf'%i in allfile:
continue
#not find in the dir mean
req=urllib2.Request('http://wenku.baidu.com'+reurl+urlnum+pagefrom+str(i)+downnum+'1')
res=urllib2.urlopen(req)
data=res.read()
data=data[106:]
swf=open("%d.pywenku"%i,'wb')
swf.write(data)
swf.close()
SWFToImage.InputSWFFileName="%d.pywenku"%i
SWFToImage.ImageOutputType = 1
SWFToImage.Execute_Begin()
SWFToImage.FrameIndex = 1
SWFToImage.Execute_GetImage()
SWFToImage.SaveToFile("%d.jpg"%i)
SWFToImage.Execute_End()
os.rename("%d.pywenku"%i,"%d.swf"%i)
res.close()
print 'task complete'
