php静态化页面

<?php
if(is_file("45tmp.html") && (time()-filemtime("45tmp.html"))<=30){    //如果文件存在且上次修改时间小于30s
    require("45tmp.html");
}
else{
$pdo=new PDO("mysql:host=localhost;dbname=chaoshi","root","root");
$sth=$pdo->prepare("SELECT * FROM LIUYAN ORDER BY id ASC LIMIT 5 ");
$sth->execute();
$res=$sth->fetchAll();
ob_start();
require_once("45tmp.php");  //包含模板文件
$filec=file_put_contents("45tmp.html",ob_get_clean());  //ob_get_clean()获取当前缓冲区内容并清除当前的输出缓冲,ob_get_contents()只是得到输出缓冲区的内容，但不清除它
if($filec){
    echo "success";
}
else{
    echo "fail";
}
}

<?php if(is_file("45tmp.html") && (time()-filemtime("45tmp.html"))<=30){ //如果文件存在且上次修改时间小于30s require("45tmp.html"); } else{ $pdo=new PDO("mysql:host=localhost;dbname=chaoshi","root","root"); $sth=$pdo->prepare("SELECT * FROM LIUYAN ORDER BY id ASC LIMIT 5 "); $sth->execute(); $res=$sth->fetchAll(); ob_start(); require_once("45tmp.php"); //包含模板文件 $filec=file_put_contents("45tmp.html",ob_get_clean()); //ob_get_clean()获取当前缓冲区内容并清除当前的输出缓冲,ob_get_contents()只是得到输出缓冲区的内容，但不清除它 if($filec){ echo "success"; } else{ echo "fail"; } }

<table>
<?php foreach($res as $row){ ?>
  <tr>
      <td><?php echo $row['id'] ?> </td>
      <td><?php echo $row['name'] ?> </td>
      <td><?php echo $row['sex'] ?> </td>
      <td><?php echo $row['content'] ?> </td>
  </tr>
<?php } ?>
</table>

<table> <?php foreach($res as $row){ ?> <tr> <td><?php echo $row['id'] ?> </td> <td><?php echo $row['name'] ?> </td> <td><?php echo $row['sex'] ?> </td> <td><?php echo $row['content'] ?> </td> </tr> <?php } ?> </table>