springmvc ztree 实现权限菜单的展示

前台js

//打开菜单窗口
function openMenuDialog(){
	var selected = $("#list").datagrid('getSelected');
    if (selected != null) {
    	$("#id").val(selected.id);
    	queryMenus(selected.id);
    	$("#menuWindow").window("open");
    } else {
   	 $.messager.alert('提示', "未选择数据！"); 
    }
}
//角色-菜单信息入库
function ajaxSubmit(rid,idstr){
	$.post("${ctx}/roleMenu/save.jhtml",{"roleId":rid,"ids":idstr},function(obj){
		$.messager.alert('提示',obj.msg);
		$("#menuWindow").window('close');
	},'json');
}//打开菜单窗口
function openMenuDialog(){