25 lines
754 B
C#
25 lines
754 B
C#
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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namespace Szmedi.RvKits.Attributes
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{
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
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public class MinimumAttribute : ValidationAttribute
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{
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public MinimumAttribute(double minValue = 0)
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{
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MinValue = minValue;
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}
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public double MinValue { get; }
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protected override ValidationResult IsValid(object value, ValidationContext validationContext)
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{
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return double.TryParse(value.ToString(), out double d) && d >= MinValue
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? ValidationResult.Success
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: new ValidationResult("输入值超出范围");
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}
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}
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}
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