Php 使用PDO和事务,但我没有得到错误,所以回滚无法工作。
我试图用php创建一个简单的类Php 使用PDO和事务,但我没有得到错误,所以回滚无法工作。,php,mysql,pdo,transactions,rollback,Php,Mysql,Pdo,Transactions,Rollback,我试图用php创建一个简单的类 <?php class DB{ private $db_host = "localhost"; private $db_usr = "root"; private $db_pass = ""; private $db_name = "webbshop"; private $db; function __construct(){ $this->db = new PDO('mysql:host=' . $this->db_host . '
<?php
class DB{
private $db_host = "localhost";
private $db_usr = "root";
private $db_pass = "";
private $db_name = "webbshop";
private $db;
function __construct(){
$this->db = new PDO('mysql:host=' . $this->db_host . ';'
.'dbname=' . $this->db_name, $this->db_usr, $this->db_pass);
}
function Trans(){
$this->db->beginTransaction();
}
function query($sql){
$stmt = $this->db->prepare($sql);
$stmt->execute();
return $stmt->fetchAll();
}
function lastInsertID() {
return $this->db->lastInsertId();
}
function commitTrans(){
$this->db->commit();
}
function rollback() {
$this->db->rollBack();
}
function __destruct() {
$this->db = null;
}
}
确保PDO错误模式设置为:PDO::ERRMODE\u EXCEPTION。否则,您需要在每次查询后检查错误状态
查看更多详细信息
<?php
require 'db_con.php';
$db = new DB();
$db->Trans();
$nick = "INSERT INTO `webbshop`.`user` (`userID`, `nick`, `pass`) VALUES (NULL, '$_POST[nick]', '$_POST[pass]')";
try {
$db->query($nick);
$nickID = $db->lastInsertID();
echo $nickID;
$pers = "INSERT INTO `webshop`.`person` (`personID`, `userID`, `fname`, `lname`, `persnr`, `email`) VALUES (NULL, $nickID, '$_POST[firstname]', '$_POST[lastname]', '$_POST[personnr]','$_POST[email]')";
$addr = "INSERT INTO `webshop`.`address` (`addressID`, `userID`, `street`, `city`, `zip`) VALUES (NULL, $nickID, '$_POST[address]', '$_POST[city]', '$_POST[zip]')";
$db->query("INSERT INTO `wshop`.`persn` (`personID`, `userID`, `fname`, `lname`, `persnr`, `email`) VALUES (NULL, $nickID, '$_POST[firstname]', '$_POST[lastname]', '$_POST[personnr]','$_POST[email]')");
$db->query($addr);
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "</br>";
$db->rollback();
}
$db->commitTrans();