文档介绍:Easyuitree懒加载<!DOCtypehtmlPUBLIC"-//W3C////EN"""><htmlxmlns=""><head><metahttp-equiv="Content-type"content="text/html;charset=gbk"/><title>懒加载</title><linktype="text/css"rel="stylesheet"href="css/themes/"/><scriptlanguage="javascript"type="text/javascript"src="js/jquery-"></script><scriptlanguage="javascript"type="text/javascript"src="js/"></script><scripttype="text/javascript">$(function(){loadtree("loadtree","tree!");//divul的idurl});functionloadTree(treeName,url){//初始化树;$("#"+treeName).tree({url:url,method:"post",loadFilter:function(data,parent){treeInfo=$(this);varstate=$.data(this,'tree');functionsetData(){varserno=1;vartodo=[];for(vari=0;i<;i++){(data[i]);}//深度优先遍历树节点while(){varnode=();if(==undefined){='_node_'+(serno++);}if(!=''){='closed';//实现延迟加载的关键//将children先缓存再置空//=;=undefined;todo=();}}=data;}functionfind(id){vardata=;=[data];.length){.shift();for(vari=0;i<;i++){varnode=c[i];if(==id){returnnode;}elseif(){();}}}returnnull;}setData();varopts=('options');//在展开节点前将children重置回清空