#-*-coding:utf-8-*-

import urllib2
import random

url="http://d1.weather.com.cn/aqi_all/101270101.html?_=1493617666589"

my_headers=["Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0"
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/537.75.14",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)"
]
def get_content(url,headers):
    '''''
    @获取403禁止访问的网页
    '''
    randdom_header=random.choice(headers)

    req=urllib2.Request(url)
    # req.add_header("User-Agent",randdom_header)
    # req.add_header("Host","d1.weather.com.cn")
    req.add_header("Referer","http://www.weather.com.cn/air/?city=101270101")
    # req.add_header("GET",url)

    content=urllib2.urlopen(req).read()
    return content

print get_content(url,my_headers)