public GroupSearchModel FindById(int groupId)
{
var result = _context.Groups.Where(v => v.GroupId == groupId);
result = (IQueryable <Group>)ExpandOperator.ExpandRelatedEntities <Group>(result);
var group = result.FirstOrDefault();
var groupSearch = GroupOperator.SetGroupSearchModelCascade(group);
return(groupSearch);
}
public IEnumerable <GroupSearchModel> GetAll()
{
var queryData = from G in _context.Groups
select G;
var result = QueryOperate <Group> .Execute(queryData);
result = (IQueryable <Group>)ExpandOperator.ExpandRelatedEntities <Group>(result);
//以下执行完后才会去数据库中查询
var groups = result.ToList();
var groupsSearch = GroupOperator.SetGroupSearchModelCascade(groups);
return(groupsSearch);
}