var winObjEI = window.open("/Invoice/InvoiceViewEI?invoiceid=" + data.InvoiceId);
            var isClose = 1;
            //关闭open页面时刷新父页面列表
            var loop = setInterval(function () {
                if (winObjEI.closed && isClose == 1) {
                    isClose--;
                   //这里写刷新代码
                }
            }, 1000);