Node.js学习
https://nodejsmodules.org/
https://github.com/davglass/echoecho/
http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
http://cnodejs.org/topic/4f71e3688a04d82a3d264b5a
http://anders.janmyr.com/2011/05/not-very-short-introduction-to-nodejs.html
http://www.hongkiat.com/blog/node-js-server-side-javascript/
http://www.cssbox.net/node-js-get-post.html
http://architecture3.riaos.com/?p=3094550
http://howtonode.org/express-mongodb
http://www.cssbox.net/categories/