如果空白字段,则使用 Doctrine 进行搜索
search with Doctrine if blank field
我已经为我的多重搜索编写了一个 DQL 查询,如果我指定所有字段,工作正常,但如果我将其中一个字段留空,它不会显示结果
$query = $em->createQuery
('SELECT d FROM EntityBundle:Doctor d WHERE d.name =:name AND d.degree =:degree AND d.area = :area_id AND d.sex = :sex AND
(
( YEAR(d.dob) BETWEEN :d2 AND :d1 ) OR
( YEAR(d.dob) BETWEEN :e2 AND :e1 ) OR
( YEAR(d.dob) BETWEEN :f2 AND :f1 )
)' )
->setParameter('name', $name)
->setParameter('degree', $degree)
->setParameter('area_id', $area)
->setParameter('sex', $sex)
->setParameter('d1', $this->p1)
->setParameter('d2', $this->p2)
->setParameter('e1', $this->q1)
->setParameter('e2', $this->q2)
->setParameter('f1', $this->r1)
->setParameter('f2', $this->r2)
->getResult();
我也尝试过 setParameter('name', (is_null($name)? "IS NULL" : $name)) 但仍然没有运气..
您可以使用 QueryBuilder 而不是 DQL
$qb = $qb->select('d');
if($name !== null) {
$qb = $qb->where('d.name = :name')->setParameter(...);
}
...
$qb->getQuery()->getResult();
我已经为我的多重搜索编写了一个 DQL 查询,如果我指定所有字段,工作正常,但如果我将其中一个字段留空,它不会显示结果
$query = $em->createQuery
('SELECT d FROM EntityBundle:Doctor d WHERE d.name =:name AND d.degree =:degree AND d.area = :area_id AND d.sex = :sex AND
(
( YEAR(d.dob) BETWEEN :d2 AND :d1 ) OR
( YEAR(d.dob) BETWEEN :e2 AND :e1 ) OR
( YEAR(d.dob) BETWEEN :f2 AND :f1 )
)' )
->setParameter('name', $name)
->setParameter('degree', $degree)
->setParameter('area_id', $area)
->setParameter('sex', $sex)
->setParameter('d1', $this->p1)
->setParameter('d2', $this->p2)
->setParameter('e1', $this->q1)
->setParameter('e2', $this->q2)
->setParameter('f1', $this->r1)
->setParameter('f2', $this->r2)
->getResult();
我也尝试过 setParameter('name', (is_null($name)? "IS NULL" : $name)) 但仍然没有运气..
您可以使用 QueryBuilder 而不是 DQL
$qb = $qb->select('d');
if($name !== null) {
$qb = $qb->where('d.name = :name')->setParameter(...);
}
...
$qb->getQuery()->getResult();