Python 2.7获取网站源代码的几种方式_20160924

 #coding:utf-8
 import urllib2,cookielib

 if __name__ == '__main__':
     root_url='https://www.baidu.com/'
     # 第一种
     print "第一种"
     response1=urllib2.urlopen(root_url)
     print response1.getcode()
     print len(response1.read())

     #第二种
     print "第二种"
     request=urllib2.Request(root_url)
     response2=urllib2.urlopen(request)
     print response2.getcode()
     print len(response2.read())

     # 第三种
     print "第三种"
     cj=cookielib.CookieJar()
     opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
     urllib2.install_opener(opener)
     response3 = urllib2.urlopen(root_url)
     print response3.getcode()
     print "cookie为："+str(cj)
     print response3.read()

执行结果