$mysqli=new mysqli('localhost','root','','test');
if($mysqli->connect_error){
die("连接失败".$mysqli->connect_error);
}
$mysqli->query("set names utf8");
$mysqli->autocommit ( FALSE );
//$sql="alter table user ENGINE = InnoDB";
$sql1="update user username='xiaoming' where id=2";
$sql2="update user set username='daming' where id=3";
/* if($mysqli->query($sql)){
echo "修改成功";
} */
$b1=$mysqli->query($sql1);
$b2=$mysqli->query($sql2);
if(!$b1||!$b2){
$mysqli->rollback();
echo "回滚$mysqli->error";
}else{
echo "提交成功";
$mysqli->commit();
}
$mysqli->close();
PHP基础之事务控制
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转载自blog.csdn.net/weixin_42819066/article/details/85681530
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