页面后退时强制刷新页面方法

1、

　response设置

　　response.setHeader

　　各种不缓存的header头。　

( "Pragma", "no-cache" );
( "Cache-Control", "must-revalidate" );
( "Cache-Control", "no-cache" );
( "Cache-Control", "no-store" );　　

1、页面head设置

<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="0">