public List <AllMenuDto> GetMenuTreeByPostion(int positionId, int parentId = 0)
{
//找出根目录
List <AllMenuDto> parents = (from menu in _ctx.Menu
where menu.ParentId == parentId
select new AllMenuDto
{
Id = menu.Id,
Label = menu.Name,
PositionId = menu.PositionId,
}).ToList();
List <AllMenuDto> menus = new List <AllMenuDto>();
foreach (AllMenuDto menu in parents)
{
int[] positionIds = StringToInt(menu.PositionId);
if (Array.IndexOf(positionIds, positionId) != -1) //-1不存在
{
AllMenuDto menuNode = new AllMenuDto()
{
Id = menu.Id,
Label = menu.Label,
PositionId = menu.PositionId,
Children = GetMenuTreeByPostion(positionId, menu.Id)
};
menus.Add(menuNode);
}
}
;
return(menus);
}
public List <AllMenuDto> GetMenuTree(int parentId = 0)
{
List <AllMenuDto> allMenuDtos = (from menu in _ctx.Menu
where menu.ParentId == parentId
select new AllMenuDto
{
Id = menu.Id,
Label = menu.Name,
PositionId = menu.PositionId,
}).ToList();
List <AllMenuDto> menus = new List <AllMenuDto>();
foreach (AllMenuDto item in allMenuDtos)
{
AllMenuDto menu = new AllMenuDto()
{
Id = item.Id,
Label = item.Label,
PositionId = item.PositionId,
Children = GetMenuTree(item.Id)
};
menus.Add(menu);
}
return(menus);
}
