aws s3 文件上传

 public class AwsS3Helper
    {
        // 请求S3的凭据
        AWSCredentials awsCredentials = new BasicAWSCredentials(ConfigurationManager.AppSettings["accessKey"]
            , ConfigurationManager.AppSettings["secretKey"]);
        //  获取桶的名称
        private string bucketName = ConfigurationManager.AppSettings["bucketName"].ToString();
        //  获取桶下文件夹名称
        private string bucketFileName = ConfigurationManager.AppSettings["bucketFileName"].ToString();

        private AmazonS3Client client
        {
            get
            {
                return new AmazonS3Client(awsCredentials, RegionEndpoint.APNortheast1);
            }
        }

        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="filePath">文件所在地址</param>
        /// <returns></returns>
        public string UploadFile(string filePath,string fileName)
        {
            try
            {
                string bucketPath = GetFilePath();
                PutObjectRequest request = new PutObjectRequest
                {
                    BucketName = bucketPath,
                    Key = fileName,
                    FilePath = filePath
                };
                PutObjectResponse response = client.PutObject(request);
                return response.HttpStatusCode.ToString(); ;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 路径处理
        /// </summary>
        /// <param name="folderName"></param>
        /// <returns></returns>
        public string GetFilePath()
        {
            //// 正式
            string filePath = bucketName + "/"+ bucketFileName;
            return filePath;
        }

    }

  string FileName = "abc" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".txt";
  string InterfaceFilePath = FilePath.Trim('/') +"/"+ FileName;

  S3.UploadFile(InterfaceFilePath, FileName);