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【Python爬虫】第十五次作业

【Python爬虫】第十五次作业

作者: Mango907 | 来源:发表于2017-09-03 20:32 被阅读10次
    import requests
    from lxml import etree
    url='http://www.ygdy8.com'
    req = requests.get(url)
    req.encoding='gb2312'
    html=req.text
    selector=etree.HTML(html)
    infos=selector.xpath('//div[@class="contain"][1]/ul/li[position()<10]/a')
    url_list=[]
    for info in infos:
        a_text=info.xpath('text()')
        a_href=info.xpath('@href')
        if len(a_text)==0 or a_text[0]=='经典影片':
            pass
        else:
            menu_url=url+a_href[0]
            print(a_text[0],menu_url)
            req2 = requests.get(menu_url)
            req2.encoding='gb2312'
            html2=req2.text
            # print(html2)
            selector2=etree.HTML(html2)
            page_total=selector2.xpath('//div[@class="co_content8"]/div[@class="x"]//text()')[1].split('/')[0].replace('共','').replace('页','')
            print(page_total)
            list_id=selector2.xpath('//div[@class="co_content8"]/div[@class="x"]//a/@href')[0].replace('2.html','')
            print(list_id)
            for i in range(1,int(page_total)+1):
                right_url=list_id+str(i)
                # print(right_url)
                page_url=menu_url.replace('index',right_url)
                # print(page_url)
                url_list.append(page_url)
            print(len(url_list))
    

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