C# WebService 上传图片

#region 添加图片        [WebMethod(Description = "上传图片")]        public string getImageByte(Byte[] getByte)        {            string savaImageName = null;            try            {                DateTime dt = DateTime.Now;                string sFile = dt.ToShortDateString().ToString();//2005/11/5                String file = "/images/" + sFile;//   /images/2005/11/5                if (Directory.Exists(Server.MapPath(file)) == false)//如果文件不存在 则创建                {                    Directory.CreateDirectory(Server.MapPath(file));                }                savaImageName = file + "/" + dt.ToFileTime().ToString() + ".png";//127756416859912816                FileStream fs = new FileStream(Server.MapPath(savaImageName), FileMode.Create, FileAccess.Write);                fs.Write(getByte, 0, getByte.Length);                fs.Flush();                fs.Close();            }            catch (Exception e)             { }            return savaImageName;        }        #endregion