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>