public JsonResult DeleteAttachment(string instanceId, string type, string id)
{
string msg = string.Empty;
bool state = false;
Common.Entity.AttachmentEntity file = Common.Entity.AttachmentEntity.GetSingle(id);
if (file != null && System.IO.File.Exists(file.FileAddress))
{
System.IO.File.Delete(file.FileAddress);
file.Delete(out msg);
//删除
state = true;
}
else
{
msg = "文件不存在，请联系管理员！";
state = false;
}
return(new JsonResult {
Data = new { state = state, msg = msg }, JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
//
// GET: /Common/
public JsonResult UploadAttachment()
{
bool state = true;
string msg = string.Empty;
List <Common.Entity.AttachmentEntity> fileList = new List <Common.Entity.AttachmentEntity>();
try
{
HttpFileCollectionBase files = Request.Files;
if (files.Count == 0)
{
state = false;
msg = "没有附件";
}
else
{
string dirPath = Common.Util.Util.CreateDirectory(AttachmentPath, true);
for (int i = 0; i < files.Count; i++)
{
HttpPostedFileBase file = files[i];
Common.Entity.AttachmentEntity AttachmentEntity = new Common.Entity.AttachmentEntity
{
FileName = Path.GetFileName(file.FileName),
FileType = Path.GetExtension(file.FileName),
FileAddress = dirPath + Guid.NewGuid().ToString() + Path.GetExtension(file.FileName),
Creator = HttpContext.User.Identity.Name,
CreateTime = DateTime.Now
};
file.SaveAs(AttachmentEntity.FileAddress);
FileInfo fileInfo = new FileInfo(AttachmentEntity.FileAddress);
AttachmentEntity.FileSize = fileInfo.Length;
state = AttachmentEntity.Save(out msg);
//出错则终止上传
if (!state)
{
fileInfo.Delete();
break;
}
fileList.Add(AttachmentEntity);
}
}
}
catch (Exception e)
{
state = false;
msg = e.Message;
}
return(new JsonResult {
Data = new { state = state, msg = msg, data = fileList }, JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
// Get: 附件下载
public void DownloadAttachment(int id)
{
string msg = string.Empty;
Common.Entity.AttachmentEntity file = Common.Entity.AttachmentEntity.GetSingle(id);
if (file != null && System.IO.File.Exists(file.FileAddress))
{
Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(file.FileName));
Response.ContentType = "application/octet-stream";
Response.WriteFile(file.FileAddress);
}
else
{
Response.Write("文件不存在，请联系管理员！");
Response.End();
}
}
