public ActionResult DownloadTempFile(FileDto file)
{
var fileBytes = _dataTempFileCacheManager.GetFile(file.FileToken);
if (fileBytes == null)
{
return(NotFound("当前的文件信息不存在"));
}
return(File(fileBytes, file.FileType, file.FileName));
}
public async Task UpdateProfilePictureAsync(UpdateProfilePictureInput input)
{
byte[] byteArray;
var imageBytes = _dataTempFileCacheManager.GetFile(input.FileToken);
if (imageBytes == null)
{
throw new UserFriendlyException("没有找到符合这个图片的token信息: " + input.FileToken);
}
using (var bmpImage = new Bitmap(new MemoryStream(imageBytes)))
{
var width = (input.Width == 0 || input.Width > bmpImage.Width) ? bmpImage.Width : input.Width;
var height = (input.Height == 0 || input.Height > bmpImage.Height) ? bmpImage.Height : input.Height;
var bmCrop = bmpImage.Clone(new Rectangle(input.X, input.Y, width, height), bmpImage.PixelFormat);
using (var stream = new MemoryStream())
{
bmCrop.Save(stream, bmpImage.RawFormat);
byteArray = stream.ToArray();
}
}
if (byteArray.Length > MaxProfilPictureBytes)
{
throw new UserFriendlyException(L("ResizedProfilePicture_Warn_SizeLimit", AppConsts.ResizedMaxProfilPictureBytesUserFriendlyValue));
}
var user = await UserManager.GetUserByIdAsync(AbpSession.GetUserId());
if (user.ProfilePictureId.HasValue)
{
await _dataFileObjectManager.DeleteAsync(user.ProfilePictureId.Value);
}
var storedFile = new DataFileObject(AbpSession.TenantId, byteArray);
await _dataFileObjectManager.SaveAsync(storedFile);
user.ProfilePictureId = storedFile.Id;
}
