/// <summary>
/// 抛出验证失败的异常
/// </summary>
/// <param name="validateBase">特性验证基类</param>
/// <param name="po">属性项</param>
private void ThrowValidateException(PropertyValidateAttribute validateBase, ChangedProperty changedProperty)
{
Check.IfNullOrZero(changedProperty);
Check.IfNullOrZero(validateBase);
var reason = validateBase.FailReason($@"{changedProperty.DeclaringType}.{changedProperty.PropertyName}");
throw new Exception(reason);
}
/// <summary>
/// 对属性设置默认值
/// </summary>
/// <param name="defaultValueAttribute">默认值</param>
/// <param name="propertyItem">属性项</param>
/// <param name="rawPropertyValue">原始的属性值</param>
private void SetPropertyDefaultValue(DefaultValueAttribute defaultValueAttribute, ChangedProperty propertyItem, Object rawPropertyValue)
{
Check.IfNullOrZero(defaultValueAttribute);
Check.IfNullOrZero(propertyItem);
var propertyInstanceValue = rawPropertyValue;
var propertyInstanceValueType = propertyItem.Type;
var isDefaultValue = propertyInstanceValue.ToString() == (propertyInstanceValueType.IsValueType ? Activator.CreateInstance(propertyInstanceValueType).ToString() : null);
//判断是否为字符串类型的属性值为空
if (propertyInstanceValueType == typeof(String) && String.IsNullOrEmpty(propertyInstanceValue + ""))
{
propertyItem.Value = defaultValueAttribute.Value;
}
else if ((propertyInstanceValueType.IsValueType && propertyInstanceValueType.IsNumeric()) && isDefaultValue) //判断是否为值类型并且值为值类型的默认值
{
propertyItem.Value = defaultValueAttribute.Value;
}
else if (propertyInstanceValue.GetType() == typeof(DateTime) && isDefaultValue) //判断是否为时间类型并且时间类型的值为默认值
{
propertyItem.Value = defaultValueAttribute.Value;
}
else if (propertyInstanceValue.GetType() == typeof(Boolean) && isDefaultValue)
{
propertyItem.Value = defaultValueAttribute.Value;
}
}
