c# – 流畅验证多个验证器

我可以向对象添加多个验证器吗？例如：

public interface IFoo
{
    int Id { get; set; }
    string Name { get; set; }
}

public interface IBar
{
    string Stuff { get; set; }
}

public class FooValidator : AbstractValidator<IFoo>
{
    public FooValidator ()
    {
        RuleFor(x => x.Id).NotEmpty().GreaterThan(0);
    }
}

public class BarValidator : AbstractValidator<IBar>
{
    public BarValidator()
    {
        RuleFor(x => x.Stuff).Length(5,30);
    }
}

public class FooBar : IFoo,IBar
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Stuff { get; set; }
}

public class FooBarValidator : AbstractValidator<FooBar>
{
    public FooBarValidator()
    {
        RuleFor(x => x)
            .SetValidator(new FooValidator())
            .SetValidator(new BarValidator());
    }
}

运行测试

FooBarValidator validator = new FooBarValidator();
validator.ShouldHaveValidationErrorFor(x => x.Id,0);

我得到一个InvalidOperationException：

Property name could not be automatically determined for expression x => x. Please specify either a custom property name by calling ‘WithName’.

有没有办法实现这个,或者我试图使用FluentValidation的方式,它不意味着被使用？

解决方法

RuleFor正在尝试创建一个属性级别的规则.您还可以使用AddRule函数添加通用规则.

使用这个,我创建了一个复合规则证明的概念.它需要一组其他验证器并运行它们.收益率代码来自FluentValidator的DelegateValidator.我不知道该怎么做,所以我从源头上抓住了这一点.我没有追踪它的全部目的,但一切似乎都是按照原样工作的:)

码

public interface IFoo
{
    int Id { get; set; }
    string Name { get; set; }
}

public interface IBar
{
    string Stuff { get; set; }
}

public class FooValidator : AbstractValidator<IFoo>
{
    public FooValidator()
    {
        RuleFor(x => x.Id).NotEmpty().GreaterThan(0);
    }
}

public class BarValidator : AbstractValidator<IBar>
{
    public BarValidator()
    {
        RuleFor(x => x.Stuff).Length(5,IBar
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Stuff { get; set; }
}

public class CompositeValidatorRule : IValidationRule
{
    private IValidator[] _validators;

    public CompositeValidatorRule(params IValidator[] validators)
    {
        _validators = validators;
    }

    #region IValidationRule Members
    public string RuleSet
    {
        get; set;
    }

    public IEnumerable<ServiceStack.FluentValidation.Results.ValidationFailure> Validate(ValidationContext context)
    {
        var ret = new List<ServiceStack.FluentValidation.Results.ValidationFailure>();

        foreach(var v in _validators)
        {
            ret.AddRange(v.Validate(context).Errors);
        }

        return ret;
    }

    public IEnumerable<ServiceStack.FluentValidation.Validators.IPropertyValidator> Validators
    {
        get { yield break; }
    }
    #endregion
}

public class FooBarValidator : AbstractValidator<FooBar>
{
    public FooBarValidator()
    {
        AddRule(new CompositeValidatorRule(new FooValidator(),new BarValidator()));
    }
}

基础测试用例：

[TestMethod]
    public void TestValidator()
    {
        FooBarValidator validator = new FooBarValidator();
        var result = validator.Validate(new FooBar());

    }

我希望这有帮助.

c# – 流畅验证多个验证器

解决方法

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