/// <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);
}
}