NameValueCollection nvf = HttpContext.Current.Request.Form;

            if (!Request.Content.IsMimeMultipartContent())

            {

                throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);

            }

            string tempPath = "/Upload/" + DateTime.Now.ToString("yyyy-MM-dd/");

            string fileSaveLocation = HttpContext.Current.Server.MapPath("~" + tempPath);//附件的保存地址

            Dictionary<string, object> dic = new Dictionary<string, object>();

            if (!Directory.Exists(fileSaveLocation))

            {

                Directory.CreateDirectory(fileSaveLocation);

            }

            CustomMultipartFormDataStreamProvider provider = new CustomMultipartFormDataStreamProvider(fileSaveLocation);

            try

            {

                var result = await Request.Content.ReadAsMultipartAsync(provider).ContinueWith<Dictionary<string, object>>(x =>

                {

                    var file = provider.FileData[0];

                    FileInfo fileinfo = new FileInfo(file.LocalFileName);

                    if (fileinfo.Length <= 0)

                    {

                        dic.Add("result", -1);

                        dic.Add("resultdetail", "未上传文件");

                    }

                    else

                    {

                        double? filelength = fileinfo.Length / 1024.0;

                        if (filelength > 10 * 1024)

                        {

                            dic.Add("result", -1);

                            dic.Add("resultdetail", "上传文件不能大于10M");

                        }

                        else

                        {

                            string saveFileName = Guid.NewGuid().ToString() + fileinfo.Extension;

                            fileinfo.CopyTo(Path.Combine(fileSaveLocation, saveFileName), true);

                            fileinfo.Delete();

                            dic.Add("result", 1);

                            dic.Add("resultdetail", "上传成功");

                            dic.Add("realPath", file.LocalFileName);//附件保存的绝对路径

                            dic.Add("attachmentType", fileinfo.Extension);//附件类型

                            dic.Add("attachmentName", Path.GetFileName(file.LocalFileName));//上传的附件名

                            dic.Add("attachSize", Convert.ToInt32(filelength));//附件大小KB

                            dic.Add("aealPath", tempPath + saveFileName);//附件保存相对路径

                        }

                    }

                    return dic;

                }, TaskScheduler.FromCurrentSynchronizationContext());

            }

            catch (Exception ex)

            {

                return HandleJson.ToJson(ex.ToString(), false);

            }

            var isSuccess = dic["result"].TryToInt() == 1;

            var msg = dic["resultdetail"].TryToString();//返回上传信息

            var realPath = string.Empty;//附件保存的绝对路径

            var relativePath = string.Empty;//返回相对路径

            var AttachSize = 0;//文件大小kB

            var AttachmentType = string.Empty;//文件扩展名

            var AttachmentName = string.Empty;//原文件名

            if (isSuccess)

            {

                realPath = dic["realPath"].TryToString();

                relativePath = dic["aealPath"].TryToString();

                AttachSize = dic["attachSize"].TryToInt();

                AttachmentType = dic["attachmentType"].TryToString();

                AttachmentName = dic["attachmentName"].TryToString();

            }

            StringBuilder sql = new StringBuilder();

            if (isSuccess)

            {

                try

                {

                    #region 获取图标路径

                    var ICOPath = string.Empty;

                    sql.Append(@"SELECT * FROM dbo.AttachmentType(NOLOCK) WHERE AttachmentType=@AttachmentType");

                    var ICOTable = Common.HandleSQL.GetData(sql.ToString(), null, new SqlParameter[] { new SqlParameter("@AttachmentType", AttachmentType) });

                    if (ICOTable.Rows.Count <= 0)

                    {

                        ICOPath = "";

                    }

                    else

                    {

                        ICOPath = ICOTable.Rows[0]["AttachmentNameTypeICO"].ToString();

                    }

                    #endregion 获取图标路径

                    #region 保存上传记录

                    sql.Clear();

                    sql.Append(@"DECLARE @ID INT

SELECT @ID=MAX(ID)+1 FROM dbo.Attachment(NOLOCK)

IF(@ID IS NULL)

BEGIN

SET @ID=1

END

INSERT INTO dbo.Attachment

        ( ID ,

          AttachmentName ,

          AttachmentType ,

          RealPath ,

          AttachSize ,

          UpLoadDate ,

          UpLoadPerson ,

          UpLoadIPAddress

        )

VALUES  ( @ID , -- ID - int

          @AttachmentName , -- AttachmentName - nvarchar(max)

          @AttachmentType , -- AttachmentType - nvarchar(50)

          @RealPath , -- RealPath - nvarchar(max)

          @AttachSize , -- AttachSize - bigint

          GETDATE() , -- UpLoadDate - datetime

          @UpLoadPerson , -- UpLoadPerson - nvarchar(50)

          @UpLoadIPAddress  -- UpLoadIPAddress - varchar(50)

        )

SELECT * FROM dbo.Attachment(NOLOCK) WHERE ID=@ID;

");

                    SqlParameter[] paras = new SqlParameter[] { new SqlParameter("@AttachmentName", AttachmentName),

                    new SqlParameter("@AttachSize", AttachSize), new SqlParameter("@RealPath", relativePath),

                    new SqlParameter("@AttachmentType", AttachmentType),new SqlParameter("@UpLoadPerson","魏小伟"),new SqlParameter("@UpLoadIPAddress",HandleLog.getIPAddress()) };

                    var insert = GetData(sql.ToString(), null, paras);

                    insert.Columns.Add("AttachmentNameTypeICO", typeof(string));

                    insert.Rows[0]["AttachmentNameTypeICO"] = ICOPath;

                    int ID = Convert.ToInt32(insert.Rows[0]["ID"].ToString());//上传附件的ID

                    return HandleJson.ToJson(insert, 0);

                    #endregion 保存上传记录

                }

                catch (Exception ex)

                {

                    if (System.IO.File.Exists(realPath))

                    {

                        File.Delete(realPath);

                    }

                    return HandleJson.ToJson(ex.ToString(), false);

                }

            }

            else

            {

                return HandleJson.ToJson(msg, false);

            }