session超时刷新后登录页面嵌入在iframe中的解决办法
在login.jsp页面中添加以下一段js代码即可:
<script type="text/javascript">
var _topWin = window;
while (_topWin != _topWin.parent.window) {
_topWin = _topWin.parent.window;
}
if (window != _topWin)_topWin.document.location.href = '${pageContext.request.contextPath}/login.jsp';
</script>