/// <summary>集合相加</summary>
/// <param name="entities1">第一个实体集合</param>
/// <param name="entities2">第二个实体集合</param>
/// <returns></returns>
public static EntityList <T> operator +(EntityList <T> entities1, EntityList <T> entities2)
{
if ((entities1 == null || entities1.Count < 1) &&
(entities2 == null || entities2.Count < 1))
{
return(entities1);
}
var list = new EntityList <T>();
if (entities1 != null && entities1.Count > 0)
{
list.AddRange(entities1);
}
if (entities2 != null && entities2.Count > 0)
{
list.AddRange(entities2);
}
return(list);
}
