//ztree数据回显
$(document).ready(function(){
　　//加载树    $.fn.zTree.init($("#treeDemo2"), setting2, zNodes2);　　　　//获取到树    
　　var zTree_Menu = $.fn.zTree.getZTreeObj("treeDemo2");    //获取将要回显的值，即树节点名称
　　var name = ‘${weatherEleMap.crops_name}‘;    var nodes = zTree_Menu.transformToArray(zTree_Menu.getNodes());      if (nodes.length>0) {        for(var i=0;i<nodes.length;i++){            if(name.indexOf(nodes[i].name) >= 0){                nodes[i].checked = true;                zTree_Menu.updateNode(nodes[i]);            }        }    }});