public ActionResult FileUpload()
{
Users users = new Users();
users = (Users)Session["Users"];
HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;//获取上传的文件
if (files.Count == 0)//判断文件是否为空
return Json("Faild", JsonRequestBehavior.AllowGet);
//MD5 md5Hasher = new MD5CryptoServiceProvider();
/*计算指定Stream对象的哈希值*/
//byte[] arrbytHashValue = md5Hasher.ComputeHash(files[0].InputStream);
/*由以连字符分隔的十六进制对构成的String，其中每一对表示value中对应的元素；例如“F-2C-4A”*/
//string strHashData = BitConverter.ToString(arrbytHashValue).Replace("-", "");
var FileName = files[0].FileName.Substring(0,files[0].FileName.IndexOf('.'));//获取文件名称
var FileEextension = Path.GetExtension(files[0].FileName);//获取文件后缀名
var uploadDate = DateTime.Now/*.ToString("yyyyMMddHHmm")*/;//获取文件上传时间
var addres = "";
//判断文件类型存入不同文件夹
if(FileEextension == ".doc"||FileEextension == ".docx")
{
addres = "DOC";
}
if (FileEextension == ".xls" || FileEextension == ".xlsx")
{
addres = "Excel";
}
if (FileEextension == ".ppt" || FileEextension == ".pptx")
{
addres = "PPT";
}
if (FileEextension == ".pdf")
{
addres = "PDF";
}
string virtualPath = string.Format("/ResourceFile/{0}/{1}{2}", addres, FileName, FileEextension);//当前文件相对路径
string fullFileName = Server.MapPath(virtualPath);//文件的绝对路径
//创建文件夹，保存文件
string path = Path.GetDirectoryName(fullFileName);
Directory.CreateDirectory(path);//判断是否有这个路径，没有就创建
string fileName = files[0].FileName.Substring(files[0].FileName.LastIndexOf("\\") + 1, files[0].FileName.Length - files[0].FileName.LastIndexOf("\\") - 1);
var fileSize = GetFileSize(files[0].ContentLength);
if (fileSize == null)
{
return null;
}
if (!System.IO.File.Exists(fullFileName))
{
files[0].SaveAs(fullFileName);
}
//添加信息
Resource resource = new Resource();
resource.UsersId = users.Id;
resource.Title = FileName;
resource.Extensions = FileEextension.Substring(1,FileEextension.Length-1);
resource.UploadTime = uploadDate;
resource.FileSize =Convert.ToInt32(fileSize.Substring(0,fileSize.Length-2));
resource.UploadStage = 1;
int i = _IExplorerRespository.Add(resource);
if (i > 0)
{
return Json(new { FileName = fileName, FilePath = virtualPath, FileSize = fileSize }, "text/html", JsonRequestBehavior.AllowGet);
}
else
{
FileInfo f = new FileInfo(FileName+ FileEextension);
DirectoryInfo dir = f.Directory;
foreach (FileInfo item in dir.GetFiles())
{
try
{
//删除文件
if(System.IO.File.Exists(fullFileName))
{
FileInfo fi = new FileInfo(fullFileName);
if(fi.Attributes.ToString().IndexOf("ReadOnly") != -1)
{
fi.Attributes = FileAttributes.Normal;
}
System.IO.File.Delete(fullFileName);
}
}
catch
{
}
}
}
}
文件转载加改编