Windows下的文件和文件夹简介

 if(treeFenju2==null)
            {
                document.getElementById('depttree1').style.display="";
                document.getElementById('deptusertree').style.display="";
                init();//推荐
             }
             else
             {
                document.getElementById('depttree1').style.display="";
                document.getElementById('deptusertree').style.display="";
             }