public Error DeleteCategory(int catId) { var category = GetCategory(catId); if (category == null) { return(new Error("栏目不存在!")); } if (category.Childs.Count() != 0) { return(new Error("栏目包含子栏目!")); } if (_categoryRep.GetArchiveCount(GetAggregaterootId(), category.Get().Path) != 0) { return(new Error("栏目包含文档!")); } foreach (var bind in category.GetTemplates()) { _tempRep.RemoveBind(category.GetDomainId(), bind.BindType); } _categoryRep.DeleteCategory(GetAggregaterootId(), catId); ClearSelf(); return(null); }