Python urllib2实例代码演示

使用urllib2访问页面:

import urllib2
import cookielib


url = "http://www.baidu.com"
print 'The first method : '
response1 = urllib2.urlopen(url)
print response1.getcode()
print len(response1.read())

print 'The second method : '
request = urllib2.Request(url)
request.add_header("user-agent", "Mozilla/5.0")
response2 = urllib2.urlopen(request)
print response2.getcode()
print len(response2.read())

print 'The third method : '
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
response3 = urllib2.urlopen(request)
print response3.getcode()
print cj 
print response3.read()


输出结果:

The first method : 
200
99526
The second method : 
200
99362
The third method : 
200

百度一下,你就知道


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