Php DQL是否优于使用原则2的对象语法?
我正试图掌握一些原则,有机会了解一些DQL的内容,并能够做一些简单的插入,如:Php DQL是否优于使用原则2的对象语法?,php,orm,doctrine,doctrine-orm,Php,Orm,Doctrine,Doctrine Orm,我正试图掌握一些原则,有机会了解一些DQL的内容,并能够做一些简单的插入,如: function insert_user($username,$email,$password) { $user = new User(); $user->setUsername($username); $user->setEmail($email); $user->setPassword(md5($password)); try { //sav
function insert_user($username,$email,$password)
{
$user = new User();
$user->setUsername($username);
$user->setEmail($email);
$user->setPassword(md5($password));
try {
//save to database
$this->em->persist($user);
$this->em->flush();
}
catch(Exception $err){
die($err->getMessage());
return false;
}
return true;
}
然而,在如何进行用户名/密码身份验证之类的例行程序方面,我仍然面临挑战。例如,我有:
function validate_user($username,$password)
{
$query = $this->em->createQuery('SELECT u from User u WHERE u.username = :name AND u.username = :name2');
$query->setParameters(array(
'name' => $username,
'name2' => $password,
));
$users = $query->getResult(); // array of user objects
}
这是我的实体类:
<?php
use Doctrine\ORM\Mapping as ORM;
/**
* User
*
* @Table(name="user")
* @Entity
*/
class User
{
/**
* @var integer $id
*
* @Column(name="id", type="integer", nullable=false)
* @Id
* @GeneratedValue(strategy="IDENTITY")
*/
private $id;
/**
* @var string $username
*
* @Column(name="username", type="string", length=300, nullable=false)
*/
private $username;
/**
* @var string $email
*
* @Column(name="email", type="string", length=300, nullable=false)
*/
private $email;
/**
* @var string $password
*
* @Column(name="password", type="string", length=300, nullable=false)
*/
private $password;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set username
*
* @param string $username
*/
public function setUsername($username)
{
$this->username = $username;
}
/**
* Get username
*
* @return string
*/
public function getUsername()
{
return $this->username;
}
/**
* Set email
*
* @param string $email
*/
public function setEmail($email)
{
$this->email = $email;
}
/**
* Get email
*
* @return string
*/
public function getEmail()
{
return $this->email;
}
/**
* Set password
*
* @param string $password
*/
public function setPassword($password)
{
$this->password = $password;
}
/**
* Get password
*
* @return string
*/
public function getPassword()
{
return $this->password;
}
}
根据您无法使用DQL插入的内容:
DQL作为一种查询语言,具有SELECT、UPDATE和DELETE结构
映射到它们相应的SQL语句类型INSERT语句是
DQL中不允许,因为实体及其关系必须
通过
EntityManager#persist()以确保对象模型的一致性
不过,我同意您的看法,使用DQL插入可以帮助我们完成一些任务,包括在某些情况下更容易处理多对多关系