/// <summary>
/// Returns true if ... is valid.
/// </summary>
/// <param name="value">要验证的值。</param>
/// <param name="validationContext">有关验证操作的上下文信息。</param>
/// <returns>
/// <see cref="T:System.ComponentModel.DataAnnotations.ValidationResult" /> 类的实例。
/// </returns>
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var collectionResults = new DataAnnotationResult(
$"验证 {validationContext.DisplayName} 失败.");
var enumerable = value as IEnumerable;
var validators = GetValidators().ToList();
if (enumerable == null)
{
return(ValidationResult.Success);
}
var i = 0;
foreach (var item in enumerable)
{
var results = new List <ValidationResult>();
var context = new ValidationContext(item, validationContext.ServiceContainer, null);
if (ValidationType != null)
{
Validator.TryValidateValue(item, context, results, validators);
}
else
{
Validator.TryValidateObject(item, context, results, true);
}
if (results.Count != 0)
{
var validatorResults =
new DataAnnotationResult(
$"验证 {validationContext.DisplayName}[{i}] 失败.");
results.ForEach(validatorResults.Add);
collectionResults.Add(validatorResults);
}
i++;
}
if (collectionResults.Results.Any())
{
return(collectionResults);
}
return(ValidationResult.Success);
}
/// <summary>
/// Returns true if ... is valid.
/// </summary>
/// <param name="value">要验证的值。</param>
/// <param name="validationContext">有关验证操作的上下文信息。</param>
/// <returns>
/// <see cref="T:System.ComponentModel.DataAnnotations.ValidationResult" /> 类的实例。
/// </returns>
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var results = new List <ValidationResult>();
var context = new ValidationContext(value, null, null);
Validator.TryValidateObject(value, context, results, true);
if (results.Any())
{
var validatorResults =
new DataAnnotationResult($"验证 {validationContext.DisplayName} 失败.");
results.ForEach(validatorResults.Add);
return(validatorResults);
}
return(ValidationResult.Success);
}