public async Task <IActionResult> Add(Roles roles)
        {
            bool res = false;

            roles.UpdateDate = DateTime.Now;
            if (roles.Id > 0)
            {
                res = await _rolesServices.Update(roles);
            }
            else
            {
                var data = await _rolesServices.QueryByClause(m => m.RoleName == roles.RoleName);

                if (data != null)
                {
                    return(Error(roles.RoleName + "已经存在!"));
                }
                res = await _rolesServices.Add(roles);
            }
            if (res)
            {
                return(Success("保存成功"));
            }
            else
            {
                return(Error("保存失败"));
            }
        }
        public async Task <IActionResult> Post([FromBody] RolesDTO rolesDto)
        {
            var role = _mapper.Map <Roles>(rolesDto);
            await _rolesServices.Add(role);

            rolesDto = _mapper.Map <RolesDTO>(role);

            var response = new GenericResponse <RolesDTO>(rolesDto);

            return(Ok(response));
        }