Java开发网 - jsp中网页过期问题

Topic: jsp中网页过期问题

1.jsp中网页过期问题	Copy to clipboard
Posted by: gna15 Posted on: 2007-11-09 10:25 在我的jsp网页中点击进入A网页，然后点击“返回”按钮返回上一页，但有时跳到“网页已过期”页面，无法正常返回，“返回”按钮用 window.history.back() ，请问是怎么回事？？

2.Re:jsp中网页过期问题 [Re: gna15]	Copy to clipboard
Posted by: Cappuccino Posted on: 2007-11-10 20:14 一般是因为上一个页面有post数据到下一个页面中……

3.Re:jsp中网页过期问题 [Re: gna15]	Copy to clipboard
Posted by: gna15 Posted on: 2007-11-12 14:06 Cappuccino 能说的再具体一些吗？？？？

4.Re:jsp中网页过期问题 [Re: gna15]	Copy to clipboard
Posted by: JiafanZhou Posted on: 2007-11-16 17:41 window.history.back() ?? Is this a Javascript functionality. From my understanding, JSP needs to keep a session for each connection that a user connects, as long as the session timer does not expire, we should go back to the previous page. What happened if you click the back button in your browser?

5.Re:jsp中网页过期问题 [Re: gna15]

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Posted by: 无行
Posted on: 2007-11-24 11:27

楼上说的对， window.history.back() 是javascript的请求，如果你的session已经超时，那你用window.history.back() 这样的客户端请求返回上一页就会“报网页已过期”，跟页面顶上加这个

<head>
<meta http-equiv="expires" content="时间">
</head>
或者你在你的web.xml里加
<session-timeout>
<session-timeout>30 </session-timeout>//单位分钟
</session-timeout>

6.Re:jsp中网页过期问题 [Re: gna15]	Copy to clipboard
Posted by: JiafanZhou Posted on: 2007-11-26 01:01 Exactly, I think 无行 has just emphasized the point.