IIS7.5中Web.config中缓存配置

    <caching>
            <profiles>
                <remove extension=".aspx" />
              <add extension=".aspx" policy="CacheForTimePeriod" kernelCachePolicy="CacheForTimePeriod" duration="00:05:00" varyByQueryString="ty,cid,type,com,uid,id,key,fid,taskid,knid,tag,tag2,t,s,c,px,pn,file_id" />     
                <add extension=".ashx" policy="CacheForTimePeriod" kernelCachePolicy="CacheForTimePeriod" duration="00:05:00" varyByQueryString="ty,cid,type,com,uid,id,key,fid,taskid,knid,tag,tag2,t,s,c,px,pn,file_id" />
                <add extension=".html" policy="CacheForTimePeriod" kernelCachePolicy="CacheForTimePeriod" duration="00:05:00" varyByQueryString="ty,cid,type,com,uid,id,key,fid,taskid,knid,tag,tag2,t,s,c,px,pn" />
            </profiles>
        </caching>