##本地安装nodejs mongodb ##拉代码
npm install async
npm install body-parser
npm install connect-mongo
npm install cookie-parser
npm install debug
npm install ejs
npm install express
npm install express-session
npm install iconv
npm install md5
npm install mongodb
npm install morgan
npm install multer
npm install nodemailer
npm install node-xlsx
npm install serve-favicon
npm install socket.io
npm install util
npm install validate
参照http://blog.csdn.net/kaitiren/article/details/38513715 设置README.md格式