EasyUI的tree展开所有的节点或者根据特殊的条件控制展示指定的节点

展示tree下的所有节点
$(function(){
 $('#t_funinfo_tree').tree({
  checkbox: true,
  url:"<%=basePath %>/getT_FuninfoTree.do?pid='00000'",
  onBeforeExpand:function(node){
      $('#t_funinfo_tree').tree('options').url="<%=basePath %>/getT_FuninfoTree.do?pid="+node.id;
  },
  lines:true,
  onLoadSuccess:function(node,data){
        var t = $(this);
        if(data){
			$(data).each(function(index,d){
				if(this.state == 'closed'){
				   t.tree('expandAll');
				}
			});
		}
  }
  
 });
})$(function(){
 $('#t_funinfo_tree')