阿里云视频转码与获取视频封面图
1.视频封面图：截取视频视频首帧为封面图，传入视频存储地址和截取后存储封面地址public String snapshotVideo(String inputObject, String outputObject) throws ServerException, com.aliyuncs.exceptions.ClientException { DefaultProfile.addEndpoint(regionId, regionId, "Mts", "
