IM_NEW/GroupService.WebApi/Controllers/GroupRequest/GroupRequestRequest.cs

using FluentValidation;

namespace GroupService.WebApi.Controllers.GroupRequest
{
    public class GroupRequestRequest
    {
        public Guid GroupId { get; set; }
        public string? Desc { get; set; }
    }

    public class GroupRequestRequestValidator : AbstractValidator<GroupRequestRequest>
    {
        public GroupRequestRequestValidator()
        {
            RuleFor(r => r.GroupId)
                .NotEmpty()
                .NotNull();

            RuleFor(r => r.Desc)
                .MaximumLength(20)
                .WithMessage("入群描述不可超过20字符")
                ;
        }
    }
}