ecshop中 简单 事务处理 (实例) 表储存引擎 innoDB

    $db->query("SET AUTOCOMMIT=0"); // 关闭自动提交 开启事务

    $sql1 = "delete from " . $ecs->table('cshop') . " where user_id = '$_SESSION[user_id]' ";
    $res1 = $db->query($sql1);

    $sql2 = "delete from " . $ecs->table('cshop_gadd') . " where user_id = '$_SESSION[user_id]' ";
    $res2 = $db->query($sql2);

    $sql3 = "delete from " . $ecs->table('cshop_gedit') . " where user_id = '$_SESSION[user_id]' ";
    $res3 = $db->query($sql3);

    if ($res1 && $res2 && $res3) {  // 全部又返回值 则 commit;
        $db->query("COMMIT");
        echo json_encode(array('res'=>1,'code'=>'success','msg'=>'删除成功!'));
    }else{  // 有一个出错 则 rollback;
        $db->query("ROLLBACK");
        echo json_encode(array('res'=>0,'code'=>'error','msg'=>'删除失败!'));
    }

    $db->query("SET AUTOCOMMIT=1"); // 开启自动提交 开启事务