缓存一个页面
test.php
<?php //定义该页面缓存文件存放的路径 $filename = "../cache/cachetest.html"; //定义缓存有效期 $cachetime = 5; //判断缓存文件是否存在 if(!file_exists($filename) || filemtime($filename)+$cachetime<time()) { //开启内存缓存 ob_start(); include("../init.inc.php"); include("../DBDA.php"); $db = new DBDA(); $sql = "select * from car"; $attr = $db->Query($sql); $smarty->assign("car",$attr); $smarty->display("test.html"); //从内存缓存中获取页面代码 $content = ob_get_contents(); //将获取到的内容存放到缓存文件 file_put_contents($filename,$content); //清掉内存缓存 ob_flush(); echo "######################################"; } else { include($filename); }
test.html
<body>
<h1>汽车信息</h1>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>汽车名称</td>
<td>油耗</td>
<td>价格</td>
</tr>
<{foreach $car as $v}>
<tr>
<td><{$v[0]}></td>
<td><{$v[1]}></td>
<td><{$v[4]}></td>
<td><{$v[7]}></td>
</tr>
<{/foreach}>
</table>
</body>
分页缓存
testa.php
<?php //取当前页 $p=1; if(!empty($_GET["page"])) { $p = $_GET["page"]; } //定义缓存文件存放路径 $filename = "../cache/cahetesta{$p}.html"; //判断 if(!file_exists($filename) || filemtime($filename)+30<time()) { ob_start(); include("../init.inc.php"); include("../DBDA.php"); $db = new DBDA(); include("page.class.php"); $szs = "select count(*) from car"; $zs = $db->StrQuery($szs); $page = new Page($zs,5); $xinxi = $page->fpage(); $sql = "select * from car ".$page->limit; $attr = $db->Query($sql); $smarty->assign("car",$attr); $smarty->assign("xinxi",$xinxi); $smarty->display("testa.html"); $nr = ob_get_contents(); file_put_contents($filename,$nr); ob_flush(); echo "################################################"; } else { include($filename); }
testa.heml
<body>
<h1>汽车信息</h1>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>汽车名称</td>
<td>油耗</td>
<td>价格</td>
</tr>
<{foreach $car as $v}>
<tr>
<td><{$v[0]}></td>
<td><{$v[1]}></td>
<td><{$v[4]}></td>
<td><{$v[7]}></td>
</tr>
<{/foreach}>
</table>
<div><{$xinxi}></div>
</body>
