1.使用 urllib2 实现 #! /usr/bin/env python # -*- coding=utf-8 -*- import urllib2 url="https://www.baidu.com" req_header = {"User-Agent":"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11", "Accept":"text/html;q=0.9,*/*;q=0.8", "Accept-Charset":"ISO-