var windowID; var timer; //加载 $(function () { windowID = $.SystemGeneral.getUrlParam("WindowID"); timer = setInterval(checkOrderScanned, 3000); }) function checkOrderScanned() { $.post(CMS_SystemConfig.VirtualDirectoryPath + '/Alipay/CheckOrderScanned', { productId: productId }, function (data) { if (data) { clearInterval(timer); top.$("#" + windowID).data("resultData", true); top.$("#" + windowID).dialog("close"); } }); } $(window).unload(function () { clearInterval(timer); });