python爬虫，抓豆瓣勾搭组妹纸照片，,import urlli

python爬虫，抓豆瓣勾搭组妹纸照片，,import urlli

import urllib.requestimport reimport time#获取输入的帖子单页htmldef getHtml2(url2):    html2=urllib.request.urlopen(url2).read().decode('utf-8')    return html2#抽取图片相关列表，并下载图片def gettopic(html2):    reg2=r'http://www.douban.com/group/topic/\\d+'    topiclist=re.findall(reg2,html2)    x=0    #限制下载的图片数    for topicurl in topiclist:        x+=1    return topicurl#下载图片到本地def download(topic_page):    reg3=r'http://img3.douban.com/view/group_topic/large/public/.+\\.jpg'    imglist=re.findall(reg3,topic_page)    i=1    download_img=None    for imgurl in imglist:#取图片ID为文件名        img_numlist=re.findall(r'p\\d{7}',imgurl)        for img_num in img_numlist:            download_img=urllib.request.urlretrieve(imgurl,'D:\\python\\code\\girls\\%s.jpg'%img_num)            time.sleep(1)             i+=1            print(imgurl)    return download_img#调用函数page_end=int(input('请输入结束时的页码：'))num_end=page_end*25num=0page_num=1while num<=num_end:    html2=getHtml2('http://www.douban.com/group/kaopulove/discussion?start=%d'%num)    topicurl=gettopic(html2)    topic_page=getHtml2(topicurl)    download_img=download(topic_page)    num=page_num*25    page_num+=1else:    print('采集完成！')#该片段来自于http://byrx.net