$mem = new Memcache();
$mem->connect('127.0.0.1',11211);
$id = (int)$_GET['id'];
$sql = "SELECT * FROM test WHERE id='$id'";
$key = md5($sql);
//数据库查询是否已经缓存到memcahced服务器中
if(!($datas = $mem->get($key)))
{echo 'mysql<br />';//如果在memcached中没获取过数据,连mysql获取$conn = mysql_connect('localhost','root','123456');mysql_select_db('test');$result = mysql_query($sql);while($row = mysql_fetch_assoc($result)){$datas[] = $row;}//再把mysql获取的数据保存到memcached中,供下次使用$mem->add($key,$datas);
}
else
{echo 'memcache<br />';
}
print_r($datas);

$rangeid = rand(600,1276);
$rangeid = '1237';
$mem = new Memcache;
$mem->connect('127.0.0.1',11211);
if( ($com = $mem->get($rangeid)) === false)
{echo '来自mysql<br />';$conn = mysql_connect('localhost','root','123456');$sql = 'use dedecms';mysql_query($sql,$conn);$sql = 'set names utf8';mysql_query($sql,$conn);$sql = 'select aid,actors from dede_addonmovie where aid=' . $rangeid;$rs = mysql_query($sql,$conn);$com = mysql_fetch_assoc($rs);$mem->add($rangeid , $com , false, 60);
}
else
{echo '来自memcache<br />';
}
header('content-type:text/html;charset=utf8;');
print_r($com);

$rangeid = rand(600,1276);
$mconn = memcache_connect('localhost',11211);
if( ($com = memcache_get($mconn,$rangeid)) === false)
{$conn = mysql_connect('localhost','root','123456');$sql = 'use dedecms';mysql_query($sql,$conn);$sql = 'set names utf8';mysql_query($sql,$conn);$sql = 'select aid,actors from dede_addonmovie where aid=' . $rangeid;$rs = mysql_query($sql,$conn);$com = mysql_fetch_assoc($rs);memcache_add($mconn , $rangeid , $com , false, mt_rand(40,120));
}
else
{echo 'from cache';
}
print_r($com);