文件上传

 ???????????string fileName = fileData.FileName; ???????????string path = System.Web.HttpContext.Current.Server.MapPath("~/UploadFile"); ???????????string filePath = System.IO.Path.Combine(path, fileName); ???????????string newFileName=FileHelper.GetUniqueFileName(filePath); ???????????string newFilePath = System.IO.Path.Combine(path, newFileName); ???????????try ???????????{ ???????????????byte[] buf = new byte[fileData.ContentLength]; ???????????????Stream inputStream = fileData.InputStream; ???????????????inputStream.Read(buf, 0, fileData.ContentLength); ???????????????inputStream.Close(); ???????????????FileStream outputStream = new FileStream(newFilePath, FileMode.Create); ???????????????outputStream.Write(buf, 0, buf.Length); ???????????????outputStream.Close(); ???????????????return Json(new { error = 0, msg = "success", fileName = newFileName, fileUrl = ?"/UploadFile/" + newFileName }); ???????????} ???????????catch (Exception e) ???????????{ ???????????????return Json(new { error = 1, msg = e.Message }); ???????????}