function addTab(data) {
//add tab
var i = index++;
var tabs = mini.get("mainTabs");
var tab = { title: "查看", url: '/Admin/9.htm', showCloseButton: true };
tab.ondestroy = function (e) {
var tabs = e.sender;
var iframe = tabs.getTabIFrameEl(e.tab);
//获取子页面返回数据
var pageReturnData = iframe.contentWindow.getData ? iframe.contentWindow.getData() : "";