代码如下:
html网页
<meta http-equiv=pragma content=no-cache>
<meta http-equiv=cache-control content=no-cache, must-revalidate>
<meta http-equiv=expires content=wed, 26 feb 1997 08:21:57 gmt>
或者<meta http-equiv=expires content=0>
asp网页
response.expires = -1
response.expiresabsolute = now() - 1
response.cachecontrol = no-cache
php网页
header(expires: mon, 26 jul 1997 05:00:00 gmt);
header(cache-control: no-cache, must-revalidate);
header(pragma: no-cache);
jsp网页
response.setheader(pragma, no-cache);
response.setheader(cache-control, no-cache);
response.setdateheader(expires, 1);
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