禁止网页缓存等于返回刷新网页
有时在网页制作时并不太希望网页保存缓存,比如在填写表单返回时,又或者在登陆退出后直接输入地址还能回到缓存页面,这时后你不用想破脑袋来解决如果返回刷新数据的问题,网页端禁止缓存就行了。
HTML禁止网页缓存方法:
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-store, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<META HTTP-EQUIV="expires" CONTENT="0">
ASP禁止网页缓存方法:
response.expires=0
response.addHeader("pragma","no-cache")
response.addHeader("Cache-Control","no-store, must-revalidate")
PHP网页禁止缓存方法:
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-store, must-revalidate");
header("Pragma: no-cache");
JSP网页禁止缓存方法:
response.addHeader("Cache-Control", "no-store, must-revalidate");
response.addHeader("Expires", "Thu, 01 Jan 1970 00:00:01 GMT");