페이지 정적화의 몇 가지 일반적인 방법을 숙지하세요

<!--?<span>php
</span><span>$gid</span>  = <span>$_GET</span>['gid']+0;<span>//</span><span>商品id</span>
<span>$goods_statis_file</span> = "goods_file_".<span>$gid</span>.".html";<span>//</span><span>对应静态页文件</span>
<span>$expr</span> = 3600*24*10;<span>//</span><span>静态文件有效期，十天</span>
<span>if</span>(<span>file_exists</span>(<span>$goods_statis_file</span><span>)){
      </span><span>$file_ctime</span> =<span>filectime</span>(<span>$goods_statis_file</span>);<span>//</span><span>文件创建时间 </span>
      <span>if</span>(<span>$file_ctime</span>+<span>$expr</span>--><span>time</span>()){<span>//</span><span>如果没过期</span>
         <span>echo</span> <span>file_get_contents</span>(<span>$goods_statis_file</span>);<span>//</span><span>输出静态文件内容</span>
         <span>exit</span><span>;
      }</span><span>else</span>{<span>//</span><span>如果已过期</span>
            <span>unlink</span>(<span>$goods_statis_file</span>);<span>//</span><span>删除过期的静态页文件</span>
            <span>ob_start</span><span>();

            </span><span>//</span><span>从数据库读取数据，并赋值给相关变量

            //include ("xxx.html");//加载对应的商品详情页模板</span>

            <span>$content</span> = <span>ob_get_contents</span>();<span>//</span><span>把详情页内容赋值给$content变量</span>
            <span>file_put_contents</span>(<span>$goods_statis_file</span>,<span>$content</span>);<span>//</span><span>写入内容到对应静态文件中</span>
            <span>ob_end_flush</span>();<span>//</span><span>输出商品详情页信息</span>
<span>      }
}</span><span>else</span><span>{
  </span><span>ob_start</span><span>();

  </span><span>//</span><span>从数据库读取数据，并赋值给相关变量

  //include ("xxx.html");//加载对应的商品详情页模板</span>

  <span>$content</span> = <span>ob_get_contents</span>();<span>//</span><span>把详情页内容赋值给$content变量</span>
  <span>file_put_contents</span>(<span>$goods_statis_file</span>,<span>$content</span>);<span>//</span><span>写入内容到对应静态文件中</span>
  <span>ob_end_flush</span>();<span>//</span><span>输出商品详情页信息</span>
<span>
}

</span>?>

<!--?<span>php
</span><span>$gid</span>  = <span>$_GET</span>['gid']+0;<span>//</span><span>商品id</span>
<span>$goods_statis_content</span> = "goods_content_".<span>$gid</span>;<span>//</span><span>对应键</span>
<span>$expr</span> = 3600*24*10;<span>//</span><span>有效期，十天</span>

<span>$mem</span> = <span>new</span><span> Memcache; 
</span><span>$mem</span>--->connect('memcache_host', 11211<span>);

</span><span>$mem_goods_content</span> = <span>$mem</span>->get(<span>$goods_statis_content</span><span>);



</span><span>if</span>(<span>$mem_goods_content</span><span>){
      </span><span>echo</span> <span>$mem_goods_content</span><span>;
}</span><span>else</span><span>{
  </span><span>ob_start</span><span>();

  </span><span>//</span><span>从数据库读取数据，并赋值给相关变量

  //include ("xxx.html");//加载对应的商品详情页模板</span>

  <span>$content</span> = <span>ob_get_contents</span>();<span>//</span><span>把详情页内容赋值给$content变量</span>
  <span>$mem</span>->add(<span>$goods_statis_content</span>,<span>$content</span>, <span>false</span>, <span>$expr</span><span>);
  </span><span>ob_end_flush</span>();<span>//</span><span>输出商品详情页信息</span>
<span>
}

</span>?>