/// <summary>
/// 附件上传
/// </summary>
/// <returns></returns>
public static bool SaveFile(HttpPostedFileBase file, string path, int mailID)
{
using (MainDataContext dbContext = new MainDataContext())
{
E_Mail_Attachment entity = new E_Mail_Attachment();
var list = dbContext.E_Mail_Attachment.Select(t => t.ID);
if (list.LongCount() > 0)
{
entity.ID = list.Max() + 1;
}
else
{
entity.ID = 1;
}
int lastIndex = file.FileName.LastIndexOf("\\");
entity.OriginalName = file.FileName.Substring(lastIndex + 1, file.FileName.Length - lastIndex - 1); //原文件名
entity.CodingName = System.Guid.NewGuid().ToString() + entity.OriginalName; //编码附件名
entity.Size = (float)(file.ContentLength * 1.0 / 1024); //文件大小
entity.MailID = mailID;
string _path = path + entity.CodingName;
file.SaveAs(_path); //上传至服务器
dbContext.E_Mail_Attachment.InsertOnSubmit(entity);
dbContext.SubmitChanges();
return(true);
}
}
public ActionResult FileDownLoad(int fileId)
{
BLL.Email.Email email = new BLL.Email.Email();
E_Mail_Attachment cot = email.DownLoadFile(fileId);
string path = AppConfig.GetUpload() + cot.CodingName;
return(new DownloadResult {
VirtualPath = path, FileDownloadName = cot.OriginalName
});
}