Example of transaction processing transfer problem using php+Mysqli

Example of transaction processing transfer problem using php+Mysqli_PHP tutorial

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Release： 2016-07-13 10:07:08

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An example of php+Mysqli using transaction processing to handle transfer problems

This article mainly introduces the method of php+Mysqli using transaction processing to handle transfer problems. The example analyzes how php+mysqli handles transactions. For tips on submission and rollback, friends who need it can refer to it

The example in this article describes how php+Mysqli uses transactions to handle transfer issues. Share it with everyone for your reference. The specific implementation method is as follows:

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();

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<🎜>header("Content-type:text/html; charset=utf-8");<🎜> <🎜> <🎜> <🎜>$mysqli = new mysqli("localhost", "root", "064319", "php");<🎜> <🎜>$mysqli->set_charset("utf8"); if($mysqli->connect_errno) { die('Database connection failed'.$mysqli->connect_error); } $mysqli->autocommit(false); //Set automatic commit mode to false $flag = true; //Flag indicating whether the transaction was successfully executed $query = "update account set balance=balance-1000 where id=3"; $result = $mysqli->query($query); $affected_count = $mysqli->affected_rows; if(!result || $affected_count == 0) { //Failed $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 'Transfer successful'; } else { $mysqli->rollback(); echo 'Transfer failed'; } $mysqli->autocommit(true); //Reset the transaction to automatically commit $mysqli->close(); ?>

I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/956985.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/956985.htmlTechArticleAn example of php+Mysqli using transaction processing to transfer money. This article mainly introduces the problem of php+Mysqli using transaction processing to transfer money. Methods and examples analyze how php+mysqli handles transaction submission and rollback...