/// <summary>
        /// 添加记录操作
        /// </summary>
        protected void AddRecord()
        {
            HttpContext context = HttpContext.Current;
            HttpRequest request = context.Request;
            HttpResponse response = context.Response;

            DigitalImage digitalImage= new DigitalImage();
            string addTime=request.Params["textAddTime"];
            string description=request.Params["textDescription"];
            string patientId=request.Params["textPatientId"];
            string type=request.Params["textType"];
            string updateTime=request.Params["textUpdateTime"];
            string url=request.Params["textUrl"];

            digitalImage.AddTime=DateTime.Now;
            if(!String.IsNullOrEmpty(description))
                digitalImage.Description=description;
            digitalImage.ImageId=Guid.NewGuid().ToString("N");
            if(!String.IsNullOrEmpty(patientId))
                digitalImage.PatientId=patientId;
            if(!String.IsNullOrEmpty(type))
                digitalImage.Type=type;
            digitalImage.UpdateTime=DateTime.Now;
            if(!String.IsNullOrEmpty(url))
                digitalImage.Url=url;

            ResultModel result = DigitalImageBll.Insert(digitalImage);
            string jsonString = JsonConvert.SerializeObject(result);
            response.Write(result);
        }
        /// <summary>
        /// 修改某条记录
        /// </summary>
        /// <param name="user">要修改记录对应的实体</param>
        /// <returns>修改结果,包括是否修改成功、记录主键等信息</returns>
        public static ResultModel Update(DigitalImage digitalImage)
        {
            OperationLog log = new OperationLog();
            ResultModel result = new ResultModel();

            try
            {

                log.AddTime = DateTime.Now;
                log.IsSuccessId = SymbolicConstant.ISSUCCESS_TRUE;
                log.OperationLogId = System.Guid.NewGuid().ToString("N");
                log.OperationContent = SymbolicConstant.OPERATIONCONTENT_UPDATE;
                log.OperationTable = typeof(DigitalImage).Name;
                log.OperationTypeCode = SymbolicConstant.OPERATIONTYPE_UPDATE;
                log.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_SUCCESS;
                log.ResultMessage=SymbolicConstant.RESULTMESSAGE_UPDATE_SUCCESS;
                log.UserId = CurrentSession.getUser().UserId;

                log.ObjectRecordId = digitalImage.ImageId;
                DigitalImageDal.Update(digitalImage);

                result.IsSuccess = true;
                result.ObjectRecordId = digitalImage.ImageId;
                result.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_SUCCESS;
                result.ResultMessage = SymbolicConstant.RESULTMESSAGE_UPDATE_SUCCESS;

                return result;
            }
            catch (Exception exception)
            {
                log.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_ERROR;
                log.IsSuccessId = SymbolicConstant.ISSUCCESS_FALSE;
                log.ResultMessage=exception.Message;

                result.IsSuccess = false;
                result.ObjectRecordId =digitalImage.ImageId;
                result.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_ERROR;
                result.ResultMessage = exception.Message;

                return result;
            }
            finally
            {
                OperationLogBll.Insert(log);
            }
        }
        /// <summary>
        /// 修改某条记录
        /// </summary>
        /// <param name="user">要修改记录对应的实体</param>
        /// <param name="isLog">是否写入日志</param>
        /// <returns>修改结果,包括是否修改成功、记录主键等信息</returns>
        public static ResultModel Update(DigitalImage digitalImage, bool isLog)
        {
            if (isLog)
                return Update(digitalImage);

            ResultModel result = new ResultModel();

            try
            {
                DigitalImageDal.Update(digitalImage);

                result.IsSuccess = true;
                result.ObjectRecordId = digitalImage.ImageId;
                result.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_SUCCESS;
                result.ResultMessage = SymbolicConstant.RESULTMESSAGE_UPDATE_SUCCESS;

                return result;
            }
            catch (Exception exception)
            {
                result.IsSuccess = false;
                result.ObjectRecordId =digitalImage.ImageId;
                result.ResultCode = SymbolicConstant.RESULTCODE_UPDATE_ERROR;
                result.ResultMessage = exception.Message;

                return result;
            }
        }
        /// <summary>
        /// 添加一条新记录
        /// </summary>
        /// <param name="digitalImage">DigitalImage实体</param>
        /// <param name="isLog">是否写入日志</param>
        /// <returns>添加结果,包括是否插入成功、记录主键等信息</returns>
        public static ResultModel Insert(DigitalImage digitalImage, bool isLog)
        {
            if (isLog)
                return Insert(digitalImage);
            ResultModel result = new ResultModel();
            object id = "";
            try
            {
                id = DigitalImageDal.Insert(digitalImage);

                result.IsSuccess = true;
                result.ObjectRecordId = id.ToString();
                result.ResultCode = SymbolicConstant.RESULTCODE_INSERT_SUCCESS;
                result.ResultMessage = SymbolicConstant.RESULTMESSAGE_INSERT_SUCCESS;

                return result;
            }
            catch (Exception exception)
            {
                result.IsSuccess = false;
                result.ObjectRecordId = id.ToString();
                result.ResultCode = SymbolicConstant.RESULTCODE_INSERT_ERROR;
                result.ResultMessage = exception.Message;

                return result;
            }
        }
        /// <summary>
        /// 根据主键查询指定记录
        /// </summary>
        /// <param name="digitalImageId">主键</param>
        /// <param name="isLog">是否写入日志</param>
        /// <returns>查询结果,封装了查询出的实体</returns>
        public static ResultModel GetDigitalImageById(string digitalImageId, bool isLog)
        {
            if (isLog)
                return GetDigitalImageById(digitalImageId);
            DigitalImage digitalImage = new DigitalImage();
            ResultModel result = new ResultModel();

            try
            {
                digitalImage= DigitalImageDal.GetModel(digitalImageId);
                result.Data =  digitalImage;
                result.IsSuccess = true;
                result.ResultCode = SymbolicConstant.RESULTCODE_GETMODEL_SUCCESS;
                result.ResultMessage=SymbolicConstant.RESULTMESSAGE_GETMODEL_SUCCESS;

                return result;
            }
            catch (Exception exception)
            {
                result.IsSuccess = false;
                result.ResultCode = SymbolicConstant.RESULTCODE_GETMODEL_ERROR;
                result.ResultMessage = exception.Message;

                return result;
            }
        }
 /// <summary>
 /// 修改DigitalImage表中的某条记录
 /// </summary>
 /// <param name="user">要修改记录对应的实体</param>
 public static void Update(DigitalImage digitalImage)
 {
     DataAccessUtility.Update<DigitalImage>(digitalImage);
 }
 /// <summary>
 /// 插入一条新记录
 /// </summary>
 /// <param name="digitalImage">DigitalImage实体</param>
 /// <returns>插入记录的主键</returns>
 public static object Insert(DigitalImage digitalImage)
 {
     Object id = DataAccessUtility.Insert<DigitalImage>(digitalImage);
     return id;
 }
 /// <summary>
 /// 删除DigitalImage表中的某条记录
 /// </summary>
 /// <param name="user">要删除记录的对应的实体</param>
 public static void Delete(DigitalImage digitalImage)
 {
     DataAccessUtility.Delete<DigitalImage>(digitalImage);
 }