在理解了LNMPA框架，讀懂了LNMPA一鍵安裝的shell腳本後，在虛擬機安裝好LNMPA環境，包括phpmyadmin。因爲自己搭建的環境比較簡單，首先利用phpmyadmin來模擬爬蟲登陸。直接上代碼。
#!/usr/bin/env python
#-*-coding:utf-8 -*-
__author__ = "PS"
"""
python version : 2.7.9
"""
import urllib
import urllib2
import cookielib
cookie = cookielib.MozillaCookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))
login_url = 'http://172.18.216.205/phpmyadmin/index.php'
values = {'pma_username':'root','pma_password':'xxx'}
postdata = urllib.urlencode(values)
user_agent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36'
headers = {'User-Agent':user_agent}
request = urllib2.Request(login_url,postdata,headers)
response = opener.open(request)
print response.read()