DefaultClient returns a new http.Client with similar default values to http.Client, but with a non-shared Transport, idle connections disabled, and keepalives disabled.

DefaultPooledClient returns a new http.Client with similar default values to http.Client, but with a shared Transport.

DefaultPooledTransport returns a new http.Transport with similar default values to http.DefaultTransport.

code source: https://github.com/hashicorp/go-cleanhttp/blob/master/cleanhttp.go DefaultTransport returns a new http.Transport with similar default values to http.DefaultTransport, but with idle connections and keepalives disabled.

generate body for http request parse interface{} to io.Reader.

http get.

http post.