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对于元素进行定位。把a标签的href值全部拿出来，而且也把对应的名称取出来 tree = etree.HTML(resp.content) node list = tree.xpath( /html/body/div[2]/div[2]/div[3]/ul/li ) sub url list = [] for node in node list: if len(node.xpath( ./a/@href )) > 0: sub url = node.xpath( ./a/@href )[0] if len(node.xpath( ./a/@href )) > 0: title = node.xpath( ./a/b/text() )[0] sub url list.append((sub url, title)) 4.3 访问详情页 base url = http://www.netbian.com/ for sub url, title in sub url list: s page = base url + sub url s resp = requests.get(s page) with open( s.html , wb ) as f: f.write(s resp.content)

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