contentType

const (
	Html          = "text/html; charset=utf-8"
	Text          = "text/plain; charset=utf-8"
	Form          = "application/x-www-form-urlencoded"
	MultipartForm = "multipart/form-data"
	Json          = "application/json; charset=utf-8"
	Xml           = "application/xml; charset=utf-8"
	OctetStream   = "application/octet-stream; charset=utf-8"
	Css           = "text/css; charset=utf-8"
	Javascript    = "text/javascript; charset=utf-8"
)