35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Text;
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namespace Sai.Toolkit.Mvvm.Attributes
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{
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
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public class UndefinedCharAttribute : ValidationAttribute
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{
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public UndefinedCharAttribute(params char[] chars)
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{
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Chars = chars;
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}
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public char[] Chars { get; }
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protected override ValidationResult IsValid(object value, ValidationContext validationContext)
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{
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//char[] chars = new[] { '\\', ':', '{', '}', '[', ']', '|', ';', '<', '>', '?', '`', '~' };
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if (value != null)
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{
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foreach (var c in Chars)
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{
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if (value.ToString().IndexOf(c) > -1)
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{
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return new ValidationResult($"输入字符不合法,名称不能包含字符:'\\ : [ ] | {{}}; < > ? ` ~");
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}
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}
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}
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return ValidationResult.Success;
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}
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}
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}
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