public static MediaGetResult mediaGet(String access_token,String media_id){
		return mediaGet(access_token, media_id, false);
	}
public static MediaGetResult mediaGet ( String access_token , String media_id ) { return mediaGet ( access_token , media_id , false ) ; }
获取临时素材
@since 2.8.0
@param access_token access_token
@param media_id media_id
@return MediaGetResult