perl环境的安装

http://downloads.activestate.com/ActivePerl/releases/5.14.2.1402/ActivePerl-5.14.2.1402-MSWin32-x86-295342.msi 
from http://www.activestate.com/activeperl/downloads

http://hi.baidu.com/abcserver/blog/item/0b33ad4504c64526cefca30c.html
http://zhidao.baidu.com/question/82364067
http://www.cnblogs.com/daisymeeit/archive/2012/03/21/2410361.html
http://bbs.chinaunix.net/thread-696305-1-1.html