public string GetAllCategorySelect() { var list = _homeService.GetAllChildCategoryList(0); var treelist = new List <TreeNode>(); treelist.Add(new TreeNode("0", "", "顶级分类")); list.ForEach(l => treelist.Add(new TreeNode(l.CategoryID.ToString(), l.ParentID.ToString(), Tools.FilterAllHtml(l.Name).Replace("\"", "")))); var treeHelper = new TreeNodeHelper(); var tree = treeHelper.GenerateTreeRoot(treelist); return(tree.ToJsonTreeString()); }