/// <summary>
/// string 长度控制
/// </summary>
/// <param name="field"></param>
/// <param name="fieldName"></param>
/// <param name="minLength"></param>
/// <param name="maxLength"></param>
/// <param name="result"></param>
/// <returns></returns>
public static bool LengthControl(string field, string fieldName, int minLength, int maxLength, ref ValidateResult result)
{
if (!Required(field, fieldName, ref result))
{
return(false);
}
if (minLength >= maxLength)
{
throw new ArgumentException(string.Format("minLength {0} > maxLength {1}", minLength, maxLength));
}
int length = field.Length;
if (length > maxLength || length < minLength)
{
result.AddError(string.Format("{0} 长度不在范围内({1} ~ {2})", fieldName, minLength, maxLength));
return(false);
}
return(true);
}
/// <summary>
/// 唯一性验证
/// </summary>
/// <param name="model"></param>
/// <param name="fieldName"></param>
/// <param name="CheckNameUnique">委托， 传入一个验证model是否唯一的方法</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool UniqueField(object model, string fieldName, Predicate <object> CheckNameUnique, ref ValidateResult result)
{
if (CheckNameUnique == null)
{
throw new ArgumentException("CheckNameUnique委托不能为空！");
}
if (!CheckNameUnique(model))
{
result.AddError(string.Format("{0} 值已存在，不能重复 ", fieldName));
return(false);
}
return(true);
}
public virtual ValidateResult Validate(T data)
{
return(ValidateResult.CreateNormal());
}