http://www.linuxidc.com/Linux/2015-06/118728.htm
http://blog.csdn.net/xiangcns/article/details/42089189
http://www.cnblogs.com/Darren_code/archive/2011/10/31/2207063.html
https://github.com/mozilla/pdf.js
https://github.com/joyent/node.git
原文：http://www.cnblogs.com/flowjacky/p/4651799.html