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How to implement ADODB transaction processing in PHP

php中世界最好的语言Original: 2018-05-28 09:59:081626browse

This time I will show you how to implement ADODB transaction processing in PHP, and what are the precautions to implement ADODB transaction processing in PHP. The following is a practical case, let's take a look.

1. Code

adodb.inc.php can be downloaded from the official website http://adodb.sourceforge.net/.

Or click here

Download from this site.

conn.php：

<?php
  include_once (&#39;../adodb5/adodb.inc.php&#39;);
  $conn = ADONewConnection(&#39;mysql&#39;);
  $conn -> PConnect('localhost','root','root','db_database14');
  $conn -> execute('set names gb2312');
?>

trans.php：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>处理事务</title>
<style type="text/css">
<!--
body,td,th {
  font-size: 12px;
}
body {
  margin-left: 10px;
  margin-top: 10px;
  margin-right: 10px;
  margin-bottom: 10px;
}
-->
</style></head>
<body>
<?php
  include_once &#39;conn/conn.php&#39;;              //载入数据库链接文件
  $conn -> BeginTrans();                //开始事务处理
  $sql = 'delete from tb_object where id = 3';        //sql删除语句
  $rst = $conn -> execute($sql) or die('execute error: '.$conn -> ErrorMsg());     //执行删除语句
  $num = $conn -> Affected_rows();           //查看被更新的记录数
  if(false !== $rst){                 //如果$rst不为假
    if($num != 0){                 //如果$num不为0，说明删除成功
      $conn -> CommitTrans();           //执行提交
      echo '删除成功！';
      exit();
    }else{                   //如果$num为0，说明没有删除记录
      echo '没有数据，或数据已删除';
      exit();
    }
  }else{                     //如果发生意外
    $conn -> RollbackTrans();            //执行回滚操作
    echo '出现意外。';
  }
?>
</body>
</html>

2. Running results

successfully deleted!

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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