<code> <?php$dbhost='';$dbname='';$dbuser='';$dbpass='';date_default_timezone_set('PRC');try{$pdo=new PDO('mysql:host='.$dbhost.';dbname='.$dbname,$dbuser,$dbpass);}catch(Exception $e){die('sql error');}$pdo->query('SET NAMES utf8');function cd(){global $pdo;return $pdo->lastInsertId();}function qr($var){global $pdo;return $pdo->query($var);}function fo($var){return qr($var)->fetch();}function fa($var){return qr($var)->fetchALL();}$fp=fo('SELECT * FROM post WHERE id=1');echo $fp['title'];echo $fp['content'];?></code>
这样写的话页面什么也不现实
9来源gaodai#ma#com搞@代~码$网搞gaodaima代码
回复内容:
<code> <?php$dbhost='';$dbname='';$dbuser='';$dbpass='';date_default_timezone_set('PRC');try{$pdo=new PDO('mysql:host='.$dbhost.';dbname='.$dbname,$dbuser,$dbpass);}catch(Exception $e){die('sql error');}$pdo->query('SET NAMES utf8');function cd(){global $pdo;return $pdo->lastInsertId();}function qr($var){global $pdo;return $pdo->query($var);}function fo($var){return qr($var)->fetch();}function fa($var){return qr($var)->fetchALL();}$fp=fo('SELECT * FROM post WHERE id=1');echo $fp['title'];echo $fp['content'];?></code>
这样写的话页面什么也不现实
<code> <?php$dbhost='';$dbname='';$dbuser='';$dbpass='';date_default_timezone_set('PRC');try{$pdo=new PDO('mysql:host='.$dbhost.';dbname='.$dbname,$dbuser,$dbpass);}catch(Exception $e){die('sql error');}$pdo->query('SET NAMES utf8');function cd(){global $pdo;return $pdo->lastInsertId();}function qr($var){global $pdo;return $pdo->query($var);}function fo($var){ //问题出在这里,qr($var)的值是$pdo->query($var)的值,是一个sql的执行结果,而不是对象$pdo,调用fetch肯定出错啊 return qr($var)->fetch(); }function fa($var){return qr($var)->fetchALL();}$fp=fo('SELECT * FROM post WHERE id=1');echo $fp['title'];echo $fp['content'];?></code>