layui父页面向子页面传值

layer.open({
                    id:'stacking_add',
                    type:2,
                    title:'添加堆叠设备',
                    content: '/nc_dev_manage_index/stacking_add',
                    skin:'layui-layer-molv',
                    area: ['98%', '98%'],
                    shade:0.4,
                    shadeClose:false,
                    success:function (layero, index) {//将基本信息带过去
                        // 获取子页面的iframe
                        var iframe = window['layui-layer-iframe' + index];
                        iframe.child(111);
                    }
                });