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php+Mysqli利用事务处理转账问题实例

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Release: 2016-06-06 20:10:23
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这篇文章主要介绍了php+Mysqli利用事务处理转账问题的方法,实例分析了php+mysqli处理事务的提交与回滚的技巧,需要的朋友可以参考下

本文实例讲述了php+Mysqli利用事务处理转账问题的方法。分享给大家供大家参考。具体实现方法如下:

set_charset("utf8"); if($mysqli->connect_errno) { die('数据库连接失败'.$mysqli->connect_error); } $mysqli->autocommit(false); //自动提交模式设为false $flag = true; //事务是否成功执行的标志 $query = "update account set balance=balance-1000 where id=3"; $result = $mysqli->query($query); $affected_count = $mysqli->affected_rows; if(!result || $affected_count == 0) { //失败 $flag = false; } $query = "update account set balance=balance+1000 where id=2"; $result = $mysqli->query($query); $affected_count = $mysqli->affected_rows; if(!$result || $affected_count == 0) { $flag = false; } if($flag) { $mysqli->commit(); echo '转账成功'; } else { $mysqli->rollback(); echo '转账失败'; } $mysqli->autocommit(true); //重新设置事务为自动提交 $mysqli->close(); ?>

希望本文所述对大家的php程序设计有所帮助。

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