public JsonResult _Save(Base_Attachment entity, AdminCredential User)
{
if (Request.Files.Count > 0)
{
if (Request.Files["file_Attachment"].ContentLength > 0)
{
entity.Attachment = UploadAttachment("file_Attachment", "附件", entity.Attachment);
}
}
if (entity.ID == 0)
{
return(Json(service.Insert(entity), JsonRequestBehavior.DenyGet));
}
else
{
ApplicationContext.Cache.Remove(EntityName + entity.ID);
entity.UpdateTime = DateTime.Now;
entity.UpdateUserID = User.ID;
return(Json(service.Update(entity), JsonRequestBehavior.DenyGet));
}
}
public string AjaxAttachmentUpload(int UserID = 0)
{
try
{
var file = Request.Files[0];
var uploadresult = UploadAttachment(Request.Files[0], "附件");
if (uploadresult.Success)
{
Base_Attachment attachment = uploadresult.Data;
attachment.OwnerID = UserID;
attachment.CreateTime = DateTime.Now;
attachment.UpdateTime = DateTime.Now;
attachment.StateCode = 1;
attachment.UpdateUserID = UserID;
var result = service.Insert(attachment);
attachment.ID = result.Data;
}
return(JsonConvert.SerializeObject(uploadresult));
}
catch (Exception ex)
{
return(ex.Message);
}
}
public ItemResult <Base_Attachment> UploadAttachment(HttpPostedFileBase upFile, string SavePath = "attactment", string deleteFilename = "")
{
ItemResult <Base_Attachment> result = new ItemResult <Base_Attachment>();
Base_Attachment attachment = new Base_Attachment();
try
{
var baseUrl = Server.MapPath("/");
var FileLength = upFile.ContentLength;
string ExtendName = System.IO.Path.GetExtension(upFile.FileName).ToLower();
if (ApplicationContext.AppSetting.AllowFileExt.IndexOf(ExtendName.ToLower()) == -1)
{
result.Message = "上传文件暂不支持“" + ExtendName + "”格式";
return(result);
}
byte[] myData = new Byte[FileLength];
upFile.InputStream.Read(myData, 0, FileLength);
string UploadPath = baseUrl + @"\upload\" + SavePath + @"\";
if (!Directory.Exists(UploadPath))
{
Directory.CreateDirectory(UploadPath);
}
string NewFileName = upFile.FileName;
string FilePath = UploadPath + upFile.FileName;
if (System.IO.File.Exists(FilePath))
{
NewFileName = upFile.FileName.Replace(ExtendName, "") + "(" + DateTime.Now.ToString("mmss") + ")" + ExtendName;;
FilePath = UploadPath + NewFileName;
}
var res = ImageToQiNiu(NewFileName, myData);
result.Message = res.Message;
FileStream newFile = new FileStream(FilePath, FileMode.Create, FileAccess.Write);
newFile.Write(myData, 0, myData.Length);
newFile.Close();
attachment.Name = NewFileName;
attachment.Attachment = ApplicationContext.AppSetting.File_Upload_Path + SavePath + "/" + NewFileName;
var kb = myData.Length * 1.0 / 1024;
if (kb > 1024)
{
attachment.Size = (kb / 1024).ToString("0.00") + "M";
}
else
{
attachment.Size = kb.ToString("0.00") + "KB";
}
try
{
if (!string.IsNullOrWhiteSpace(deleteFilename))
{
var _delefilename = deleteFilename.Substring(deleteFilename.LastIndexOf("/"));
var attachmenturl = UploadPath + _delefilename;
if (System.IO.File.Exists(attachmenturl))
{
System.IO.File.Delete(attachmenturl);
}
}
}
catch (Exception ex)
{
throw ex;
}
result.Success = true;
result.Data = attachment;
return(result);
}
catch (Exception ex)
{
throw ex;
}
}
