使用ajax防止页面缓存的代码

或

asp网页

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

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");
response.addHeader("cache-control", "no-cache,must-revalidate");
response.addHeader("expires", "0");