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:
- <?php
- header("Content-type:text/html; charset=utf-8");
- $mysqli = new mysqli("localhost", "root", "064319", "php");
- $mysqli->set_charset("utf8");
- if($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();
- ?>
来源: https://www.php1.cn/detail/php-28346603b0.html