using System.ComponentModel.DataAnnotations; namespace Dlhis.Basic.Organization.Request; public class GainfoUploadFaceRequest : IValidatableObject { /// /// 用户档案号 /// [Required(ErrorMessage = "用户档案号")] public string UserNo { get; set; } /// /// 人脸照片 /// [Required(ErrorMessage = "人脸照片不能为空")] public string Face { get; set; } public IEnumerable Validate(ValidationContext validationContext) { bool v = true; try { Convert.FromBase64String(Face); } catch (Exception) { v = false; } if (!v) { yield return new ValidationResult("人脸照片需要为Base64格式", new[] { nameof(Face) }); } } }