Go 相关工具包
这里将会编写相关的工具包，引用就ok了
相关依赖包
go get -u golang.org/x/crypto/ssh
go get -u github.com/pkg/sftp
go get -u github.com/pkg/errors
go get -u github.com/astaxie/beego/logs
go get -u github.com/boombuler/barcode
go get -u github.com/PuerkitoBio/goquery