import random
def get_headers():
'''
随机获取一个headers
'''
user_agents = ['Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1','Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50','Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11','Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36','Mozilla/5.0(Macintosh;U;IntelMacOSX10_6_8;en-us)AppleWebKit/534.50(KHTML,likeGecko)Version/5.1Safari/534.50','Mozilla/5.0(compatible;MSIE9.0;WindowsNT6.1;Trident/5.0','Mozilla/4.0(compatible;MSIE8.0;WindowsNT6.0;Trident/4.0)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT6.0)','Mozilla/4.0(compatible;MSIE6.0;WindowsNT5.1)','Mozilla/5.0(Macintosh;IntelMacOSX10.6;rv:2.0.1)Gecko/20100101Firefox/4.0.1','Mozilla/5.0(WindowsNT6.1;rv:2.0.1)Gecko/20100101Firefox/4.0.1','Opera/9.80(Macintosh;IntelMacOSX10.6.8;U;en)Presto/2.8.131Version/11.11','Opera/9.80(WindowsNT6.1;U;en)Presto/2.8.131Version/11.11','Mozilla/5.0(Macintosh;IntelMacOSX10_7_0)AppleWebKit/535.11(KHTML,likeGecko)Chrome/17.0.963.56Safari/535.11','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;Maxthon2.0)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;TencentTraveler4.0)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;TheWorld)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;Trident/4.0;SE2.XmetaSr1.0;SE2.XmetaSr1.0;.NETCLR2.0.50727;SE2.XmetaSr1.0)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;360SE)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;AvantBrowser)','Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1)']
headers = {'User-Agent':random.choice(user_agents)}
#headers = {'User-Agent':user_agents[15]}
return headers
