//valid all value by format,not limit require. func (h *HTTPSession) ValidCheckValN(f string, args ...interface{}) error { return util.ValidAttrF(f, h.CheckVal, false, args...) }
//valid require value by format,limit require. func (h *HTTPSession) ValidRVal(f string, args ...interface{}) error { return util.ValidAttrF(f, h.RVal, true, args...) }