java 在jsp中注销时禁用后退按钮
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disable back button when logout in jsp
提问by bhavesh N
I have a jsp page and problem is that when I click the logout button, it redirects to the login page but when press the back button it show the previous pages, so how I can handle it.
我有一个 jsp 页面，问题是当我单击注销按钮时，它会重定向到登录页面，但是当按下后退按钮时，它会显示以前的页面，所以我该如何处理。
回答by Piyush Chaudhari
if you handle session manually in your application than you remove all session variable from your application and put the following java script in your page logout page
<SCRIPT type="text/javascript">
window.history.forward();
function noBack() { window.history.forward(); }
</SCRIPT>
</HEAD>
<BODY onload="noBack();"
onpageshow="if (event.persisted) noBack();">
回答by Maran Manisekar
you need to set the response header in the focusing page, (i.e) in the login page. ensure the following code in the login.jsp page,
您需要在聚焦页面中设置响应头，（即）在登录页面中。确保 login.jsp 页面中的以下代码，
Coding:
编码：
response.setHeader("Cache-Control","no-cache");
response.setHeader("Pragma","no-cache");
/* Note: place this code above any of those code */
/* 注意：将此代码放在任何这些代码之上 */
but i don't know wheather the same functionality can be done using javascript/jquery,"awww... i don't think so!!!"
但我不知道是否可以使用 javascript/jquery 完成相同的功能，“啊……我不这么认为！！！”
