Imports github.com/astaxie/beego github.com/astaxie/beego/cache github.com/astaxie/beego/cache/redis github.com/astaxie/beego/config github.com/garyburd/redigo/redis github.com/gomodule/redigo/redis github.com/weilaihui/fdfs_client Standard library imports crypto/md5 encoding/hex encoding/json log