public async Task <IActionResult> Store(UploadForm form)
{
foreach (var file in form.files)
{
if (file.Length > 0)
{
var attachment = attachmentService.FindByName(file.FileName, form.postId);
if (attachment == null)
{
throw new Exception(String.Format("attachmentService.FindByName({0},{1})", file.FileName, form.postId));
}
var upload = await SaveFile(file);
attachment.Type = upload.Type;
attachment.Path = upload.Path;
switch (upload.Type)
{
case ".jpg":
case ".jpeg":
case ".png":
case ".gif":
var image = Image.FromStream(file.OpenReadStream());
attachment.Width = image.Width;
attachment.Height = image.Height;
attachment.PreviewPath = upload.Path;
break;
case ".mp4":
//截取影片預覽圖
string imgPath = Path.ChangeExtension(upload.Path, ".jpg");
string videoFullPath = Path.Combine(this.UploadFilesPath, upload.Path);
string imgFullPath = Path.Combine(this.UploadFilesPath, imgPath);
SaveVideoImage(videoFullPath, imgFullPath);
attachment.PreviewPath = imgPath;
break;
}
attachmentService.Update(attachment);
}
}
return(new NoContentResult());
}
