# -*- coding: UTF-8 -*-import requestsimport refrom bs4 import BeautifulSoup     url="*www.8qizi.com*/"header={    "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",    "Accept-Encoding":"gzip, deflate",    "Accept-Language":"zh-CN,zh;q=0.8",    "Cache-Control":"max-age=0",    "Connection":"keep-alive",    "Content-Length":"65",    "Content-Type":"application/x-www-form-urlencoded",    "Host":"btkitty.bid",    "Origin":"*www.8qizi.com*/",    "Referer":"*www.8qizi.com*/",    "Upgrade-Insecure-Requests":"1",    "User-Agent":"Mozilla/5.0 (Windows NT 10.0.14393; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2950.5 Safari/537.36"    }while True:    word=input("输入搜索关键词:")    data={        "keyword":word,        "hidden":"true"        }    res=requests.post(url,data=data,headers=header)    bs=BeautifulSoup(res.text,"lxml")    itemInfo=bs.find_all("dd",class_="option")    torrent={}    for item in itemInfo:        magnet=item.find_next("a",href=re.compile("magnet.*")).attrs["href"]        name=item.find_previous("a",href=re.compile("*种子的网站*/.*\.html")).text        size=item.find_next(text=re.compile("\u6587\u4ef6\u5927\u5c0f")).find_next("b").text        time=item.find_next(text=re.compile("\u6536\u5f55\u65f6\u95f4")).find_next("b").text        hot=item.find_next(text=re.compile("\u4eba\u6c14")).find_next("b").text        torrent[name]=[name,time,size,hot,magnet]     for item in torrent:        print("名称：",torrent[item][0])        print("发布时间：",torrent[item][1])        print("大小：",torrent[item][2])        print("热度：",torrent[item][3])        print("磁力链接：",torrent[item][4],'\n')

2.7的文档

By default, the URLopener class sends a User-Agent header of urllib/VVV, where VVV is the urllib version number. Applications can define their own User-Agent header by subclassing URLopener orFancyURLopener and setting the class attribute version to an appropriate string value in the subclass definition.