log

type Interface interface {
	HexDump(title string, msg interface{})    //hex buf todo support fn return []byte
	Hex(title string, msg interface{})        //hex value
	Info(title string, msg ...interface{})    //info
	Trace(title string, msg ...interface{})   //跟踪
	Warning(title string, msg ...interface{}) //警告
	Json(title string, msg ...interface{})    //pb json todo rename
	Success(title string, msg ...interface{}) //成功
	Struct(msg ...interface{})                //结构体 todo indent ,add title
	Body() string
	Msg() string
}