//修改 $sql="update buyer set username='ff123' where id $res=$pdo- exec($sql); echo '影響行數(shù)：'.$res; //查詢 $sql="select * from buyer"; $res=$pdo- query($sql); foreach($res as $row){ echo $row['username'].' br/ } //刪除 $sql="delete from buyer where id $res=$pdo- exec($sql); echo '影響行數(shù)：'.$res;希望本文所述對(duì)大家的php程序設(shè)計(jì)有所幫助。PHP教程
