//根据某属性获取
   public async Task<AreaEntity> GetEntityByAreaCode(string areaCode)
        {
            //todo根据……获取
            return await this.BaseRepository().FindEntity<AreaEntity>(p => p.AreaCode == areaCode);
        }

获取最近一条

    /// <summary>
        /// 根据手机号码获取最新的短信记录
        /// </summary>
        /// <param name="Mobile"></param>
        /// <returns></returns>
        public async Task<List<VerifiyCodeEntity>> GetLastVerifity(string  Mobile,string code)
        {
            var resu = "";
            var parm = new VerifiyCodeParam();
            parm.Mobile = Mobile;
            parm.Code = code;
            var sql = new StringBuilder();
            var op = ListFilter(parm, sql, " BaseCreateTime desc",1);
            var list = await this.BaseRepository().FindList<VerifiyCodeEntity>(sql.ToString(), op.ToArray());
            return list.ToList();
        }


    private List<DbParameter> ListFilter(VerifiyCodeParam param, StringBuilder strSql,string orderBy="",int limit=0)
        {
            strSql.Append(@"SELECT  BaseCreateTime,Mobile,Code,TypeId from sysverifiycode
                            WHERE   1 = 1");
            var parameter = new List<DbParameter>();
            if (param != null)
            {
                if (!string.IsNullOrEmpty(param.Code))
                {
                    strSql.Append(" AND Code = @Code");
                    parameter.Add(DbParameterExtension.CreateDbParameter("@Code", param.Code));
                }
                if (param.State > 0)
                {
                    strSql.Append(" AND State = @State");
                    parameter.Add(DbParameterExtension.CreateDbParameter("@State", param.State));
                }
                if (!string.IsNullOrEmpty(param.Mobile))
                {
                    strSql.Append(" AND Mobile = @Mobile");
                    parameter.Add(DbParameterExtension.CreateDbParameter("@Mobile",  param.Mobile ));
                }
                if (!orderBy.IsEmpty())
                {
                    strSql.Append("  order by  " + orderBy);
                }
                if (!limit.IsEmpty())
                {
                    strSql.Append("  limit "+limit);
                }
            }
            return parameter;
        }