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php事務(wù)回滾簡(jiǎn)單實(shí)現(xiàn)方法示例

標(biāo)簽: 發(fā)布日期:2017-03-28 00:00:00 233

本文實(shí)例講述了php事務(wù)回滾簡(jiǎn)單實(shí)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(kāi)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;