不说废话直接插代码
1 # coding:utf-8 2 import urllib2 3 import cookielib 4 5 url= "http://www.baidu.com" 6 print "第一种方法:" 7 response1 = urllib2.urlopen(url) 8 print response1.getcode() 9 print len(response1.read()) 10 11 print "第二种方法:" 12 request=urllib2.Request(url) 13 request.add_header('user-agent','Mozilla/5.0') 14 response2 = urllib2.urlopen(request) 15 print response2.getcode() 16 print len(response2.read()) 17 18 print "第三种方法:" 19 cj = cookielib.CookieJar() 20 opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) 21 urllib2.install_opener(opener) 22 response3=urllib2.urlopen(url) 23 print response3.getcode() 24
运行后如下图所示