几种防止页面缓存的有效方法

php网页

header("expires:mon,26jul199705:00:00gmt");
header("cache-control:no-cache,must-revalidate");
header("pragma:no-cache");

jsp网页

response.addheader("pragma", "no-cache");

html做法

asp做法

response.buffer = true
response.expiresabsolute = now() - 1
response.expires = 0
response.cachecontrol = "no-cache "
%>