public Picture(int aId, PictureId aPictureId, PictureUseType aUseType) : base(aId)
{
if (aId <= 0)
{
throw new ArgumentException("Id不能小于或等于0");
}
if (aPictureId == null)
{
throw new ArgumentException("图片Id不能为空");
}
PictureId = aPictureId;
UseType = aUseType;
}
public void Update(PictureId aPictureId, PictureUseType aUseType)
{
PictureId = aPictureId;
UseType = aUseType;
}
