/// <summary>
/// 根据父ID获取此ID下一级栏目，只显示一级子分类，包含删除的和未启用的
/// </summary>
/// <param name="parentId"></param>
/// <returns></returns>
public static IList <CategoryInfo> ListByParentId(int parentId)
{
var _list = ArticleCategoryManage.ListByParentId(parentId);
foreach (var item in _list)
{
LoadExtionsion(item);
}
return(_list);
}
/// <summary>
/// 根据父ID获取此ID下一级栏目，不能获取此栏目下的所有节点
/// </summary>
/// <param name="parentId"></param>
/// <param name="useCache">是否使用缓存</param>
/// <param name="showEnabled">是否显示启用项</param>
/// <param name="showDeleted">是否显示删掉项</param>
/// <returns></returns>
public static IList <CategoryInfo> ListByParentId(int parentId, bool useCache, bool showEnabled, bool showDeleted)
{
if (!useCache)
{
IEnumerable <CategoryInfo> _list = ArticleCategoryManage.ListByParentId(parentId);
if (showEnabled)
{
//显示启用的
_list = _list.Where(p => p.IsEnabled == true);
}
if (!showDeleted)
{
//显示已删除掉的
_list = _list.Where(p => p.IsDeleted == false);
}
return(_list.ToList());
}
;
//需要加缓存
string CACHEKEY = string.Format("LIST_BY_PARENT_ID_{0}", parentId);
var list = (IEnumerable <CategoryInfo>)webCache[CACHEKEY];
if (list == null)
{
list = ArticleCategoryManage.ListByParentId(parentId);
if (showEnabled)
{
//显示启用的
list = list.Where(p => p.IsEnabled == true);
}
if (!showDeleted)
{
//显示已删除掉的
list = list.Where(p => p.IsDeleted == false);
}
webCache.Insert(CACHEKEY, list, null, DateTime.Now.AddMinutes(CACHETIMEOUT), System.Web.Caching.Cache.NoSlidingExpiration, System.Web.Caching.CacheItemPriority.High, null);
}
return(list.ToList());
}