ztree 选中，展开指定节点

$.fn.zTree.init($("#tree-div"), setting, zNodes);
        
$("#tree-div").parent().parent().parent().css("overflow-x","hidden");
        
var ids = $("#ids").val();
if(ids.trim()!=""){
       	var tree = $.fn.zTree.getZTreeObj("tree-div");
        var strs = ids.split(",");
        for(var j=0;j