urllib2 是Python自带的标准模块， 用来发送HTTP Request的。 类似于 .NET中的， HttpWebRequest类
Python urllib2 发出的HTTP Request， 能自动被Fiddler截获, 方便了调试。
Python 可以自动处理Cookie
Python urllib2 发出的http Request, 中的header 会被修改成“首字母大写”，
比如你的代码里写的header 是： content-TYPE=application/x-www-form-urlencoded ， 会被修改为 Content-Type=application/x-www-form-urlencoded
# -* - coding: UTF-8 -* -
import urllib2
request = urllib2.Request("http://www.baidu.com/")
request.add_header('content-TYPE', 'application/x-www-form-urlencoded')
response = urllib2.urlopen(request)
print response.getcode()
print response.geturl()
print response.read()# -* - coding: UTF-8 -* -
import urllib2
import urllib
request = urllib2.Request("http://passport.cnblogs.com/login.aspx")
request.add_header('content-TYPE', 'application/x-www-form-urlencoded')
data={"tbUserName":"test_username", "tbPassword":"test_password"}
response = urllib2.urlopen(request, urllib.urlencode(data))
print response.getcode()
print response.geturl()
print response.read()# -* - coding: UTF-8 -* -
import urllib2
import urllib
import cookielib
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
request = urllib2.Request("https://dynamic.12306.cn/otsweb/")
request.add_header('content-TYPE', 'application/x-www-form-urlencoded')
data={"tbUserName":"test_username", "tbPassword":"test_password"}
response = opener.open(request, urllib.urlencode(data))
# send again, you will see cookie sent to web server
response = opener.open(request, urllib.urlencode(data))
print response.getcode()
print response.geturl()
print response.read()本文出自https://www.cnblogs.com/40406-jun/p/6849710.html
