SzmediTools/Szmedi.RvKits/Attributes/ErrorCharsAttribute.cs

using System.ComponentModel.DataAnnotations;

namespace Szmedi.RvKits.Attributes
{
    public class ErrorCharsAttribute : ValidationAttribute
    {
        private readonly char[] chars;

        public ErrorCharsAttribute(params char[] chars)
        {
            this.chars = chars;
        }

        protected override ValidationResult IsValid(object value, ValidationContext validationContext)
        {
            object instance = validationContext.ObjectInstance;
            foreach (var c in chars)
            {
                if (value.ToString().IndexOf(c) > 0)
                {
                    return new($"名称不能包含字符:{c}");
                }
            }
            return ValidationResult.Success;
        }
    }
}