python通过伪装头部数据抵抗反爬虫 python通过伪装头部数据抵抗反爬虫的实例
JackReach 人气:0想了解python通过伪装头部数据抵抗反爬虫的实例的相关内容吗，JackReach在本文为您仔细讲解python通过伪装头部数据抵抗反爬虫的相关知识和一些Code实例，欢迎阅读和指正，我们先划重点：python,爬虫,头部，下面大家一起来学习吧。
0x00 环境
系统环境:win10
编写工具:JetBrains PyCharm Community Edition 2017.1.2 x64
python 版本:python-3.6.2
抓包工具:Fiddler 4
0x01 头部数据伪装思路
通过http向服务器提交数据,以下是通过Fiddler 抓取python没有伪装的报文头信息
GET /u012870721 HTTP/1.1 Accept-Encoding: identity Host: blog.csdn.net User-Agent: <span style="color:#ff0000;">Python-urllib/3.6</span> Connection: close
Python-urllib/3.6
很明显啊，我们暴露了。现在要问了，该怎么！模拟浏览器，让自己伪装成浏览器，一下是浏览器访问发送的头部数据
Connection: keep-alive Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Referer: http://write.blog.csdn.net/postlist Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.8
0x02代码实现
from urllib import request
html_url = "http://blog.csdn.net/u012870721";
#伪装构造头
header ={
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
"Accept":" text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Accept-Encoding": "gzip,deflate",
"Accept-Language": "zh-CN,zh;q=0.8"
};
#int main()
#{
req = request.Request(url=html_url, headers=header);
resp = request.urlopen(req);
# return 0;
# }
伪装后进行发送的信息头
GET /u012870721 HTTP/1.1 Host: blog.csdn.net Connection: close Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 Accept-Encoding: gzip,deflate Accept-Language: zh-CN,zh;q=0.8
以上这篇python通过伪装头部数据抵抗反爬虫的实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。
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