<a href="/FileUpload/DownloadFile?file=/UploadFiles/File/bfcd676b-13a8-4195-b85b-59d9b9ca35e3.doc" title="下载"><span class="fa fa-arrow-circle-down"></span></a>

        /// <summary>

        /// 根据路径下载文件，主要用于生成的文件的下载

        /// </summary>

        /// <param name="file">文件路径</param>

        /// <returns></returns>

        public ActionResult DownloadFile(string file)

        {

            string realPath = Server.MapPath(file);

            if (!FileUtil.IsExistFile(realPath))

            {

                return null;

            }

            string saveFileName = FileUtil.GetFileName(realPath);

            Response.WriteFile(realPath);

            Response.Charset = "GB2312";

            Response.ContentEncoding = Encoding.GetEncoding("GB2312");

            Response.ContentType = "application/ms-excel/msword";

            Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(saveFileName));

            Response.Flush();

            Response.End();

            return new FileStreamResult(Response.OutputStream, "application/ms-excel/msword");

        }

<a href="/DWGVersion/GetFilesByID?id=162" title="下载"><span class="glyphicon glyphicon-download"></span></a>

public ActionResult GetFilesByID(string id)

        {

                var dwgVersion = BLLFactory<DWGVersion>.Instance.GetDataById(id);

                if (dwgVersion==null||dwgVersion.DrawingContent == null || dwgVersion.DrawingContent.Length == )

                {

                    return null;

            }

            Response.Clear();

            String strFileName = dwgVersion.FileName;//文件名称

            Response.ContentType = "APPLICATION/OCTET-STREAM";

            Response.AddHeader("content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(strFileName));

            Response.Buffer = true;

            Response.BinaryWrite(dwgVersion.DrawingContent);//二进制数据

            Response.Flush();

            Response.End();

            return new FileStreamResult(Response.OutputStream, "application/ms-excel/msword");