成员的完整列表，这些成员属于 JCConferenceParticipant,包括所有继承而来的类成员

	displayName	JCConferenceParticipant
	expandInfo	JCConferenceParticipant
	isAudio	JCConferenceParticipant
	isChairman	JCConferenceParticipant
	isFocus	JCConferenceParticipant
	isHandUp	JCConferenceParticipant
	isJoined	JCConferenceParticipant
	isMute	JCConferenceParticipant
	isSelf	JCConferenceParticipant
	isSubscribeAudio	JCConferenceParticipant
	isVideo	JCConferenceParticipant
	netStatus	JCConferenceParticipant
	pictureSize	JCConferenceParticipant
	preVolume	JCConferenceParticipant
	renderId	JCConferenceParticipant
	role	JCConferenceParticipant
	type	JCConferenceParticipant
	userId	JCConferenceParticipant
	volume	JCConferenceParticipant
	volumeStatus	JCConferenceParticipant