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php事務(wù)回滾簡單實現(xiàn)方法示例
本文實例講述了php事務(wù)回滾簡單實現(xiàn)方法。分享給大家供大家參考，具體如下：
$servername="localhost";
$username="root";
$password="admin";
$dbname="test";
try{
$conn=new PDO("mysql:host=$servername;dbname=$dbname",$username,$password);
$conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
//開始事務(wù)
$conn->beginTransaction();
$conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','XIAMING','yexianming@163.com')");
$conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('YE','CONG','yecong@163.com')");
$conn->exec("INSERT INTO `hello`(`firstname`,`lastname`,`email`)VALUES('FANG','MENG','fangmeng@168.com')");
//提交事務(wù)
$conn->commit();
echo "New records created successfully!";
}catch(PDOException $e){
//回滾事務(wù)
$conn->rollBack();
echo $sql."<br>".$e->getMessage();
}
$conn=NULL;