设置页面不缓存
htm网页
<metahttp-equiv="pragma"content="no-cache"> <metahttp-equiv="cache-control"content="no-cache,must-revalidate"> <metahttp-equiv="expires"content="0">
jsp网页
response.addHeader("pragma", "no-cache"); response.addHeader("cache-control", "no-cache,must-revalidate"); response.addHeader("expires", "0");