php怎么调用两个关联数据表里的数据
$query = $db->query("SELECT list_dir,list_id,list_name,list_status FROM ff_list WHERE list_status != 0 ORDER BY list_id ASC LIMIT 0, 30");<br />while($n = $db->fetch_array($query)) {<br /><br /><br />$query = $db->query("SELECT vod_name,vod_cid FROM ff_vod WHERE vod_cid in ($n['list_id']) ORDER BY rand() LIMIT 0, 10");<br />while($m = $db->fetch_array($query)) {<br /><br /> $z[]='<div class="linkbox"><h3><a href='."'/".$n['list_dir']."/'>".$n['list_name'].$m['vod_name'].'</a></h3></div>';<br />}<br />}
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