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【Python】批量抓取图片

作者:Shrimp007 / 发布于2015/8/10/ 597


	# -*- coding:utf-8 -*-
	# coding=UTF-8
	
	import os,urllib,urllib2,re
	
	url = u"http://image.baidu.com/search/index?tn=baiduimage&ipn=r&ct=201326592&cl=2&lm=-1&st=-1&fm=index&fr=&sf=1&fmq=&pv=&ic=0&nc=1&z=&se=1&showtab=0&fb=0&width=&height=&face=0&istype=2&ie=utf-8&word=python&oq=python&rsp=-1"
	outpath = "t:\\"
	
	def getHtml(url):
	 webfile = urllib.urlopen(url)
	 outhtml = webfile.read()
	 print outhtml
	 return outhtml
	
	def getImageList(html):
	 restr=ur'('
	 restr+=ur'http:\/\/[^\s,"]*\.jpg'
	 restr+=ur'|http:\/\/[^\s,"]*\.jpeg'
	 restr+=ur'|http:\/\/[^\s,"]*\.png'
	 restr+=ur'|http:\/\/[^\s,"]*\.gif'
	 restr+=ur'|http:\/\/[^\s,"]*\.bmp'
	 restr+=ur'|https:\/\/[^\s,"]*\.jpeg'
	 restr+=ur'|https:\/\/[^\s,"]*\.jpeg'
	 restr+=ur'|https:\/\/[^\s,"]*\.png'
	 restr+=ur'|https:\/\/[^\s,"]*\.gif'
	 restr+=ur'|https:\/\/[^\s,"]*\.bmp'
	 restr+=ur')'
	 htmlurl = re.compile(restr)
	 imgList = re.findall(htmlurl,html)
	 print imgList
	 return imgList
	
	def download(imgList, page):
	 x = 1
	 for imgurl in imgList:
	 filepathname=str(outpath+'pic_%09d_%010d'%(page,x)+str(os.path.splitext(urllib2.unquote(imgurl).decode('utf8').split('/')[-1])[1])).lower()
	 print '[Debug] Download file :'+ imgurl+' >> '+filepathname
	 urllib.urlretrieve(imgurl,filepathname)
	 x+=1
	
	def downImageNum(pagenum):
	 page = 1
	 pageNumber = pagenum
	 while(page <= pageNumber):
	 html = getHtml(url)#获得url指向的html内容
	 imageList = getImageList(html)#获得所有图片的地址，返回列表
	 download(imageList,page)#下载所有的图片
	 page = page+1
	
	if __name__ == '__main__':
	 downImageNum(1)

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　批量　　抓取图片　

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