环境：net core 6.0

    1. {
    2.     "type": "https://tools.ietf.org/html/rfc7231#section-6.5.1",
    3.     "title": "One or more validation errors occurred.",
    4.     "status": 400,
    5.     "traceId": "00-f9886bc314d3f33bcac578535b805c9e-03150913ab03b15c-00",
    6.     "errors": {
    7.         "Id": [
    8.             "ID不能为空"
    9.         ],
    10.         "Name": [
    11.             "请输入流程名称"
    12.         ],
    13.         "Update_UserID": [
    14.             "更新人ID"
    15.         ]
    16.     }
    17. }
    1. public class UpdateWorkFlow
    2.     {
    3.         /// <summary>
    4.         /// Id
    5.         /// </summary>
    6.         /// 
    7.         [Display(Name = "ID")]
    8.         [Required(ErrorMessage = "{0}不能为空")]
    9.         [StringLength(36, ErrorMessage = "{0} 长度36.")]
    10.         public string Id { get; set; }
    11.         /// <summary>
    12.         /// 流程名称
    13.         /// </summary>
    14.         /// 
    15.         [Display(Name = "流程名称")]
    16.         [Required(ErrorMessage = "请输入{0}")]
    17.         [StringLength(50, ErrorMessage = "{0} 长度1到50之间.", MinimumLength = 1)]
    18.         public string Name { get; set; }
    20.         /// <summary>
    21.         /// 状态(默认) 0 启用，1禁用
    22.         /// </summary>
    23.         /// 
    24.         [Display(Name = "状态")]
    25.         [Required(ErrorMessage = "请输入{0}")]
    26.         [Range(0, 1, ErrorMessage = "{0} 范围值0或者1")]
    27.         public uint Status { get; set; } = 0;
    29.         /// <summary>
    30.         /// 审批流程说明
    31.         /// </summary>
    32.         public string? Remark { get; set; }
    34.         /// <summary>
    35.         /// 最后更新人ID
    36.         /// </summary>
    37.         /// 
    38.         [Display(Name = "更新人ID")]
    39.         [Required(ErrorMessage = "{0}")]
    40.         [StringLength(20, ErrorMessage = "{0} 长度3到20之间.", MinimumLength = 3)]
    41.         public string? Update_UserID { get; set; }
    42.     }
    1. using System.ComponentModel;
    1. {
    2.     "statusCode": 500,
    3.     "info": "参数不完整或不正确",
    4.     "data": "ID不能为空|请输入流程名称|更新人ID"
    5. }
    1. public class ModelValidateActionFilter : ActionFilterAttribute
    2.     {
    3.         public override void OnActionExecuting(ActionExecutingContext context)
    4.         {
    5.             if (!context.ModelState.IsValid)
    6.             {
    7.                 //获取验证失败的模型字段
    8.                 var errors = context.ModelState
    9.                     .Where(e => e.Value.Errors.Count > 0)
    10.                     .Select(e => e.Value.Errors.First().ErrorMessage)
    11.                     .ToList();
    13.                 var str = string.Join("|", errors);
    15.                 //设置返回内容
    16.                 var result = new ApiResultMsg()
    17.                 {
    18.                     StatusCode = (int)ApiStatusCodeEnum.Error,
    19.                     Data = str,
    20.                     Info = ApiStatusCodeEnum.ParameterError.GetEnumText()
    21.                 };
    22.                 //返回200状态码
    23.                 context.Result = new JsonResult(result);
    24.                 //返回400状态码
    25.                 //context.Result = new BadRequestObjectResult(result);
    26.             }
    27.         }
    28.     }
    1. #region 关闭模型验证
    2. builder.Services.Configure<ApiBehaviorOptions>(opt => opt.SuppressModelStateInvalidFilter = true);
    3. builder.Services.AddControllers(opt =>
    4. {
    5.     //添加过滤器
    6.     opt.Filters.Add(typeof(ModelValidateActionFilter));
    7. });
    8. #endregion