/// <summary>

    /// 传入参数校验过滤器

    /// </summary>

    public class ValidateReqModelFilter : ActionFilterAttribute

    {

        public override void OnActionExecuting(HttpActionContext actionContext)

        {

            if (!actionContext.ModelState.IsValid)

            {

                actionContext.Response = actionContext.Request.CreateErrorResponse(HttpStatusCode.BadRequest, actionContext.ModelState);
　　　　　　　　　 ////如果要自定义返回

            　　 //actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.BadRequest, new ResponseMessage() { Msg = false, Message = error });
　　　　　　　}

        }

    }

　　[ValidateReqModelFilter]

    public class TestController : ControllerEduBase

    {

            /// <summary>

            /// 测试

            /// </summary>

            [HttpPost]

            [Route("api/Test/saveSchool")]

            public JsonResult<ResponseMessage> Test(ReqTest req){
　　　　　　　　　　var result = new object();
　　　　　　　　　　return Json(result);
            }
    }    

public class ReqSaveSchool

    {

        /// <summary>

        /// token

        /// </summary>

        [Required(AllowEmptyStrings = false, ErrorMessage = "Token is validate")]

        public string Token { get; set; }

        /// <summary>

        /// id

        /// </summary>

        [RegularExpression(@"^[0-9]\d*$",ErrorMessage = "Id is validate")]

        public int Id { get; set; }

        /// <summary>

        /// 名称

        /// </summary>

        [Required]

        [StringLength(,ErrorMessage = "Name is exceeding the length limit")]

        public string Name { get; set; }

    }