/// <summary>
/// 实体对象验证
/// </summary>
/// <param name="entity">实体对象</param>
/// <returns>若有不符合要求的返回错误信息；若验证通过返回空字符串</returns>
public static string ValidateEntity(EntityBase entity)
{
List <ValidateAttribute> list = GetFieldsByType(entity.GetType()).ValidateFields;//获取验证字段集合
object fieldValue;
string pattern;
foreach (ValidateAttribute item in list)
{
fieldValue = EntityUtil.GetValueByField(entity, item.FieldName);
if (!item.Nullable && (fieldValue == null || fieldValue.ToString() == ""))
{
return(item.FieldName + "," + item.FieldDesc + (item.FieldDesc == "" ? Messages.NullableError : ""));
}
pattern = ValidateUtil.GetPattern(item.Expression); //尝试获取内置已存在正则表达式
if (String.IsNullOrEmpty(pattern)) //未获取到认为Entity配置的信息则为正则表达式
{
pattern = item.Expression;
}
if (!String.IsNullOrEmpty(item.Expression) &&
!ValidateUtil.IsMatch(fieldValue.ToString(), pattern))
{
return(item.FieldName + "," + item.FieldDesc + "," + Messages.ExpressionError);
}
}
return("");
}