實物回滾

$m =D( 'YourModel' ); //或者是M();

$m2 =D( 'YouModel2' );

$m ->startTrans(); //在第一個模型裏啓用就能夠了，或者第二個也行

$result = $m ->where( '刪除條件' )-> delete ();

$result2 =m2->where( '刪除條件' )-> delete ();

if ( $result && $result2 ){

$m ->commit(); //成功則提交

} else {

$m ->rollback(); //不成功，則回滾

}

 

$servername = "localhost" ;

$username = "root" ;

$password = "admin" ;

$dbname = "test" ;

try {

   $conn = new PDO( "mysql:host=$servername;dbname=$dbname" , $username , $password );

   $conn ->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);

   //開始事務

   $conn ->beginTransaction();

   $conn -> exec ( "INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','XIAMING','yexianming@163.com')" );

   $conn -> exec ( "INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','CONG','yecong@163.com')" );

   $conn -> exec ( "INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('FANG','MENG','fangmeng@168.com')" );

   //提交事務

   $conn ->commit();

   echo "New records created successfully!" ;

} catch (PDOException $e ){

    //回滾事務

    $conn ->rollBack();

    echo $sql . "<br>" . $e ->getMessage();

}

$conn =NULL;