public ActionResult FindTreeList() { var list = DeptService.GetPageList(false); var trees = new List <DepartMentExt>() { new DepartMentExt() { DeptId = 0, Title = "组织机构", Childrens = new List <DepartMentExt>() } }; trees[0].Childrens.AddRange(list); return(new JsonNetResult(trees)); }