layui弹窗父页面调用子页面的方法

 window.showEditVideoWindow=function(){
            layer.open({
                title:"视频剪辑",
                type: 2,
                area: ['900px', '620px'],
                btn: ['完成', '取消'],
                content: '/resourceman/videoedit', 
                btn1: function(index, layero){
                    //保存
                    console.log(layero)
                    var myIframe = window[layero.find('iframe')[0]['name']];
                    var fnc = myIframe.show(); //aaa()为子页面的方法
                    
                },
                btn2: function(index, layero){
                    //取消
                }
            });
        }