转载自： https://blog.csdn.net/liujava621/article/details/44776557
亲测可用~转载存档一下~
var treeObj = $.fn.zTree.getZTreeObj(treeid);
var data = $("#hiddentree"+'${model.objUid}').val();
var datas = data.split(',');
var inputtree = '';
var d = '';
for(var i = 0;i<datas.length;i++){
treeObj.checkNode(treeObj.getNodesByParam("id", datas[i],null)[0],true, true);
inputtree += treeObj.getNodesByParam("id", datas[i],null)[0].name+",";
d = inputtree.substring(0,inputtree.length-1);
$("#inputtree"+'${model.objUid}').val(d);
}
注：treeid：tree的ID
treeObj：tree对象
treeObj.getNodesByParam("id", datas[i],null)[0] 根据键值获取相应的节点，[0]获取第一个object就是你需要的数据节点
treeObj.checkNode(nodes,true,true)checkNode方法根据相应节点，进行勾选
treeObj.getNodesByParam("id", datas[i],null)[0].name 获取节点数据的相应的属性
