python 中使用 urllib2 僞造 http 報頭的2個方法

方法一、html

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#encoding=utf-8
#Filename:urllib2-header.py
  
import urllib2
import sys
  
#抓取網頁內容-發送報頭-1
send_headers = {
  'Host' : 'www.jb51.net' ,
  'User-Agent' : 'Mozilla/5.0 (Windows NT 6.2; rv:16.0) Gecko/20100101 Firefox/16.0' ,
  'Accept' : 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' ,
  'Connection' : 'keep-alive'
}
  
req = urllib2.Request(url,headers = send_headers)
r = urllib2.urlopen(req)
  
html = r.read()        #返回網頁內容
receive_header = r.info()     #返回的報頭信息
  
# sys.getfilesystemencoding()
html = html.decode( 'utf-8' , 'replace' ).encode(sys.getfilesystemencoding()) #轉碼:避免輸出出現亂碼
  
print receive_header
# print '####################################'
print html

方法二、python

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#encoding=utf-8
#Filename:urllib2-header.py
  
import urllib2
import sys
  
  
req = urllib2.Request(url)
req.add_header( 'Referer' , 'http://www.jb51.net/' )
req.add_header( 'User-Agent' , 'Mozilla/5.0 (Windows NT 6.2; rv:16.0) Gecko/20100101 Firefox/16.0' )
r = urllib2.urlopen(req)
  
html = r.read()
receive_header = r.info()
  
html = html.decode( 'utf-8' ).encode(sys.getfilesystemencoding())
  
print receive_header
print '#####################################'
print html
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