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接上篇简单的Memcache应用

2016-09-23 16:20 381 查看

<?php
//header('content-type:text/html;charset=utf-8');
$name=$_POST['name'];
$pdo = new PDO('mysql:host=127.0.0.1;dbname=lianxi','root','root');
$pdo->exec('set names utf8');
$mem = new Memcache;
$mem->connect('127.0.0.1',11211);
if($cou=$mem->get('num')){
if($cou<9){
++$cou;
$mem->set('num',$cou);
$sql="select * from one where name like '%$name%'";
$arr=$pdo->query($sql)->fetchAll(PDO::FETCH_ASSOC);
//        $mem->flush();
}else if($cou==9){
++$cou;
$mem->set('num',$cou);
$sql="select * from one where name like '%$name%'";
$arr=$pdo->query($sql)->fetchAll(PDO::FETCH_ASSOC);
$mem->set('arr',$arr);

echo "这次是存进缓存";
//   $mem->flush();

}else if($cou>9){
$arr=$mem->get('arr');
++$cou;
$mem->set('num',$cou);
echo "这是缓存,没有读取数据库";

//        $mem->flush();

}
//$mem->flush();

}else{
$sql="select * from one where name like '%$name%'";
$arr=$pdo->query($sql)->fetchAll(PDO::FETCH_ASSOC);
$num=1;
$mem->set('num',$num);
echo "这是数据库";
//  $mem->flush();

}

?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<table border="1">
<tr>
<td>编号</td>
<td>名字</td>
<td>密码</td>
<td>时间</td>
<td>状态值</td>
</tr>
<?php foreach ($arr as $key => $val ){ ?>
<tr>
<td><?php echo $val['id']?></td>
<td><?php echo $val['name']?></td>
<td><?php echo $val['pwd']?></td>
<td><?php echo $val['time']?></td>
<td><?php echo $val['sta']?></td>
</tr>
<?php }?>
</table>
</body>
</html>

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