/// <summary>物理复制全部附件信息到实体类</summary>
/// <param name="param"><see cref="IAttachmentFileInfo" />实例详细信息</param>
/// <param name="entityId">实体标识</param>
/// <param name="entityClassName">实体类名称</param>
/// <returns>新的<see cref="IAttachmentFileInfo" />实例详细信息</returns>
public IAttachmentFileInfo Copy(IAttachmentFileInfo param, string entityClassName, string entityId)
{
IAttachmentParentObject parent = new AttachmentParentObject();
parent.EntityId = entityId;
parent.EntityClassName = entityClassName;
parent.AttachmentEntityClassName = KernelContext.ParseObjectType(typeof(AttachmentFileInfo));
parent.AttachmentFolder = UploadPathHelper.GetAttachmentFolder(param.VirtualPath, param.FolderRule);
IAttachmentFileInfo attachment = UploadFileHelper.CreateAttachmentFile(parent, param.AttachmentName, param.FileType, param.FileSize, param.FileData);
attachment.Save();
return(attachment);
}
public override void ProcessRequest(HttpContext context)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
try
{
HttpPostedFile file = request.Files["fileData"];
// 输出类型 id uri base64
string outputType = request.Form["outputType"];
string attachmentId = request.Form["attachmentId"];
string entityId = request.Form["entityId"];
string entityClassName = request.Form["entityClassName"];
string attachmentEntityClassName = request.Form["attachmentEntityClassName"];
string attachmentFolder = request.Form["attachmentFolder"];
// 匿名用户上传文件的文件, 存放在 anonymous 目录
if (KernelContext.Current.User == null)
{
attachmentFolder = "anonymous";
}
// IAttachmentParentObject parent = new AttachmentParentObject(entityId, entityClassName, attachmentEntityClassName, attachmentFolder);
IAttachmentFileInfo attachment = UploadFileHelper.CreateAttachmentFile(
entityId,
entityClassName,
attachmentEntityClassName,
attachmentFolder,
file);
// Office 在线客户端上传方式
// 支持客户端赋值附件标识
if (!string.IsNullOrEmpty(attachmentId))
{
if (AttachmentStorageContext.Instance.AttachmentFileService.IsExist(attachmentId))
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment id already exists.";
HttpContext.Current.Response.End();
}
else
{
attachment.Id = attachmentId;
}
}
// 检测文件最小限制
if (attachment.FileSize < AttachmentStorageConfigurationView.Instance.AllowMinFileSize)
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file size is too small.";
HttpContext.Current.Response.End();
}
// 检测文件最大限制
if (attachment.FileSize > AttachmentStorageConfigurationView.Instance.AllowMaxFileSize)
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file size is too big.";
HttpContext.Current.Response.End();
}
// 检测文件名后缀限制
if (!Regex.IsMatch(attachment.FileType, AttachmentStorageConfigurationView.Instance.AllowFileTypes))
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file type is invalid.";
HttpContext.Current.Response.End();
}
if (HttpContext.Current.Response.StatusCode != 500)
{
attachment.Save();
KernelContext.Log.Info("attachment id: " + attachment.Id);
HttpContext.Current.Response.StatusCode = 200;
if (outputType == "uri")
{
// 输出 uri
HttpContext.Current.Response.Write(attachment.VirtualPath.Replace("{uploads}", AttachmentStorageConfigurationView.Instance.VirtualUploadFolder));
}
else
{
// 输出 id
HttpContext.Current.Response.Write(attachment.Id);
}
}
}
catch (Exception ex)
{
// If any kind of error occurs return a 500 Internal Server error
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "An error occured";
HttpContext.Current.Response.End();
KernelContext.Log.Error(ex.Message, ex);
}
}
public override void ProcessRequest(HttpContext context)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
try
{
HttpPostedFile file = request.Files["fileData"];
// 输出类型 id uri base64
string outputType = request.Form["outputType"];
string attachmentId = request.Form["attachmentId"];
string entityId = request.Form["entityId"];
string entityClassName = request.Form["entityClassName"];
string attachmentEntityClassName = request.Form["attachmentEntityClassName"];
string attachmentFolder = request.Form["attachmentFolder"];
// 调整图片大小
int resize = request.Form["resize"] == null ? 0 : Convert.ToInt32(request.Form["resize"]);
int targetWidth = request.Form["targetWidth"] == null ? 0 : Convert.ToInt32(request.Form["targetWidth"]);
int targetHeight = request.Form["targetHeight"] == null ? 0 : Convert.ToInt32(request.Form["targetHeight"]);
// 设置图片缩略图
int thumbnail = request.Form["thumbnail"] == null ? 0 : Convert.ToInt32(request.Form["thumbnail"]);
int thumbnailWidth = request.QueryString["targetWidth"] == null ? 100 : Convert.ToInt32(request.QueryString["thumbnailWidth"]);
int thumbnailHeight = request.QueryString["thumbnailHeight"] == null ? 100 : Convert.ToInt32(request.QueryString["thumbnailHeight"]);
// 匿名用户上传文件的文件, 存放在 anonymous 目录
if (KernelContext.Current.User == null)
{
attachmentFolder = "anonymous";
}
IAttachmentFileInfo attachment = UploadFileHelper.CreateAttachmentFile(
entityId,
entityClassName,
attachmentEntityClassName,
attachmentFolder,
file);
// Office 在线客户端上传方式
// 支持客户端赋值附件标识
if (!string.IsNullOrEmpty(attachmentId))
{
if (AttachmentStorageContext.Instance.AttachmentFileService.IsExist(attachmentId))
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment id already exists.";
HttpContext.Current.Response.End();
}
else
{
attachment.Id = attachmentId;
}
}
// 检测文件最小限制
if (attachment.FileSize < AttachmentStorageConfigurationView.Instance.AllowMinFileSize)
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file size is too small.";
HttpContext.Current.Response.End();
}
// 检测文件最大限制
if (attachment.FileSize > AttachmentStorageConfigurationView.Instance.AllowMaxFileSize)
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file size is too big.";
HttpContext.Current.Response.End();
}
// 检测文件名后缀限制
if (!Regex.IsMatch(attachment.FileType, AttachmentStorageConfigurationView.Instance.AllowFileTypes))
{
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "Attachment file type is invalid.";
HttpContext.Current.Response.End();
}
if (HttpContext.Current.Response.StatusCode != 500)
{
// 调整图片大小
if (resize == 1)
{
Image image = Image.FromStream(ByteHelper.ToStream(attachment.FileData));
attachment.FileData = ThumbnailManagement.Resize(image, attachment.FileType, targetWidth, targetHeight);
}
if (outputType == "base64")
{
// 输出 Base64
HttpContext.Current.Response.StatusCode = 200;
HttpContext.Current.Response.Write(ByteHelper.ToBase64(attachment.FileData));
}
else
{
attachment.Save();
// 调整图片大小
if (thumbnail == 1)
{
Image image = Image.FromStream(ByteHelper.ToStream(attachment.FileData));
attachment.FileData = ThumbnailManagement.Resize(image, attachment.FileType, thumbnailWidth, thumbnailHeight);
var fileName = string.Format("{0}_{1}x{2}{3}", attachment.Id, thumbnailWidth, thumbnailHeight, attachment.FileType);
Stream stream = ByteHelper.ToStream(attachment.FileData);
// 创建缩略图
ThumbnailManagement.CreateThumbnail(attachment.Id, stream, attachment.FileType, thumbnailWidth, thumbnailHeight);
}
HttpContext.Current.Response.StatusCode = 200;
if (outputType == "uri")
{
// 输出 uri
HttpContext.Current.Response.Write(attachment.VirtualPath.Replace("{uploads}", AttachmentStorageConfigurationView.Instance.VirtualUploadFolder));
}
else
{
// 输出 id
HttpContext.Current.Response.Write(attachment.Id);
}
}
}
}
catch (Exception ex)
{
// If any kind of error occurs return a 500 Internal Server error
HttpContext.Current.Response.StatusCode = 500;
HttpContext.Current.Response.StatusDescription = "An error occured";
HttpContext.Current.Response.End();
KernelContext.Log.Error(ex.Message, ex);
}
}