/// <summary> /// 存储文件,如果是图片文件则生成缩略图 /// </summary> /// <param name="fileName"></param> /// <param name="fileBuffers"></param> /// <exception cref="Exception"></exception> private void SaveFile(string fileName, byte[] fileBuffers) { string folder = DateTime.Now.ToString("yyyyMMdd"); //判断文件是否为空 if (string.IsNullOrEmpty(fileName)) { throw new Exception("文件名不能为空"); } //判断文件是否为空 if (fileBuffers.Length < 1) { throw new Exception("文件不能为空"); } var uploadPath = Path.Combine(_filePath, folder); _logger.LogInformation("文件写入:" + uploadPath); if (!Directory.Exists(uploadPath)) { Directory.CreateDirectory(uploadPath); } var ext = Path.GetExtension(fileName).ToLower(); string newName = GenerateId.GenerateOrderNumber() + ext; using (var fs = new FileStream(Path.Combine(uploadPath, newName), FileMode.Create)) { fs.Write(fileBuffers, 0, fileBuffers.Length); fs.Close(); //生成缩略图 if (ext.Contains(".jpg") || ext.Contains(".jpeg") || ext.Contains(".png") || ext.Contains(".bmp") || ext.Contains(".gif")) { string thumbnailName = GenerateId.GenerateOrderNumber() + ext; ImgHelper.MakeThumbnail(Path.Combine(uploadPath, newName), Path.Combine(uploadPath, thumbnailName)); _dbThumbnail = Path.Combine(folder, thumbnailName); } _dbFilePath = Path.Combine(folder, newName); } }