Symfony2,doctrine2,createQuery,如何在数组中搜索?

Symfony2,doctrine2,createQuery,如何在数组中搜索?,symfony,doctrine-orm,where-in,createquery,Symfony,Doctrine Orm,Where In,Createquery,如何在数组中搜索?请给出建议,尤其是关于以下案例(c)的建议 我不明白我的错误在哪里。我尝试用几种方法在数组中搜索Doctrine列关键字。下面的代码用于调试目的,下面的案例中描述了查询本身 public function findWhereKeyw($searchArr) { print_r('<br> searchstr = '); print_r($searchstr); print_r('</pre>'); print_r('<b

如何在数组中搜索?请给出建议,尤其是关于以下案例(c)的建议

我不明白我的错误在哪里。我尝试用几种方法在数组中搜索Doctrine列关键字。下面的代码用于调试目的,下面的案例中描述了查询本身

    public function findWhereKeyw($searchArr)
{

    print_r('<br> searchstr = '); print_r($searchstr); print_r('</pre>'); 
    print_r('<br> searchstr explode = '); print_r( explode(",",$searchstr) ); print_r('</pre>'); 
    print_r('<br> searchArr implode = '); print_r( implode(",", $searchArr) ); print_r('</pre>'); 

//searchstr = opera, some
//searchstr explode = Array ( [0] => opera [1] => some )
//searchArr implode = opera,some 

$query = ...//see cases below

$qsql=$query->getSQL();   
$param=$query->getParameters();
print_r('<br>q= <pre>'); print_r($qsql); print_r('</pre>');
print_r('<br>p= <pre>'); print_r($param); print_r('</pre>');    

try {
    return $query->getResult();
    //return $query->getSingleResult();
} catch (\Doctrine\ORM\NoResultException $e) {
    return null;
} 

//根据

b) 这样,我得到的是空数组:

        $events = $em->createQuery( 'SELECT e FROM MeetingBundle:Event e WHERE e.'.$colname.' LIKE  :keyw' )
                ->setParameter('keyw', '%'.$val.'%')
                ->getResult(\Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY); 

根据查询(q)和参数(p)确定,我应该能够找到关键字为“opera”的事件。哪里可能是个错误。关键字字段是由逗号分隔的单词组成的字符串

这不是如何使用WHERE搜索的答案。。在里面但使用LIKE可以扭转局面,实际上,LIKE比WHERE-IN要好得多

简言之:

// From your Event repository
$qb = $this->createQueryBuilder('e');
$qb->where($qb->expr()->in('r.keywords', explode(",", $searchstr));
代码必须折射到EventRepository和EventManager。 C:\Bitnami\wampstack-5.5.30-0\sym_prog\proj2_27\src\MeetingBundle\Controller\EventController.php

/**
*搜索事件实体。
*
*@Route(“/search”,name=“事件搜索”)
*@Method(“GET | POST”)
*@Template(“MeetingBundle:Event:ev_search.html.twig”)
*/
公共函数搜索操作(请求$Request)
{
$post=Request::createFromGlobals();
$em=$this->getDoctrine()->getManager();
如果($post->request->has('submit'){
$searchstr=$post->request->get('search_words');
$searchArr=$this->multiExplode(['','',';'','-'],$searchstr);
//打印('searchArr-before-trim=');打印($searchArr);打印('';
foreach($searchArr作为$index=>$value){
如果(strlen(修剪($value))==0){
未设置($searchArr[$index]);
}
}
打印('searchArr after trim=');打印($searchArr);打印('';
$borstatus=$post->request->get('search_或_ck');
$bor=($borstatus=='on')?1:0;
$bandstatus=$post->request->get('search_and_ck');
$band=($bandstatus=='on')?1:0;
$bkeyw=$post->request->get('search_keyw');//检查要执行搜索的表列
$bkeywstatus=($bkeyw=='on')?1:0;
$btitle=$post->request->get('search_title');
$btitlestatus=($btitle=='on')?1:0;
$bdescr=$post->request->get('search_descr');
$bdescrstatus=($bdescr=='on')?1:0;
//倾销(员额);
打印(“”);打印($post);打印(“”);
打印('******************bkeyw=');打印($bkeyw);打印('
'); 打印('******************bkeyw=');打印($bkeywstatus);打印('
'); $result=array();//result['colname']=array('opera'=>27'=>(id='27',title='x',…),'24'=>(),…] foreach($colnameArr作为$colname){ $keywArr=array();//keywArr['opera']=['27'=>(id='27',title='x',…),'24'=>(),…] foreach($searchArr作为$val){ $events=$em->createQuery('SELECT e FROM MeetingBundle:Event e WHERE e.'.$colname.'LIKE:keyw') ->setParameter('keyw'、'%'.$val.%')) ->getResult(\doctor\ORM\AbstractQuery::hydrome\u数组); //$res=$em->getResult();不工作 //$res不带数组返回长对象,但在此对象上getId()不起作用 //print_-r('
******************结果');print_-r($events);print_-r('');//非常长的对象 $identArr=array();//$identArr['27']=(id='27',title='x',…) foreach($events作为$event){ //print_-r('
******************结果');print_-r($event'id');print_-r('')//使用->getResult(\Doctrine\ORM\AbstractQuery::hydrome_数组); //打印('
******************事件');打印($EVENT.getId());打印('');//使用->getResult(); //print_-r('
******************事件');print_-r($EVENT);print_-r('')//非常长的对象//使用->getResult(); $id=$event['id']; //所有结果都是唯一的,因为id是唯一的 $identArr[strval($id)]=$event;//$identArr['27']=(id='27',title='x',…) }//foreach($events作为$event) $keywArr[$val]=$identArr;//keywArr['opera']=['27'=>(id='27',title='x',…),'24'=>(),…] 未设置($identArr); }//foreach($searchArr作为$val){ $result[$colname]=$keywArr;//result['colname']=array('opera'=>['27'=>(id='27',title='x',…),'24'=>(),…] unset($keywArr); }//foreach($colnameArr作为$colname){ //然后,您必须分析结果,为案例提取事件使用选定:或搜索,并搜索,或仅在特定列中搜索,并仅在特定列中搜索…这将提供finalArray 返回数组('res'=>finalArray,) }
如果我理解得很好,那么您正在尝试使用DQL执行一个IN。以下是语法:

我假设您的字段关键字只包含一个关键字

   $qsrtr=  'SELECT e.id, e.title FROM MeetingBundle:Event e WHERE e.keywords IN (';
    foreach ($searchArr as $val) {
        $qsrtr.= ':'.$val.', ';
    } 
    $qsrtr=rtrim($qsrtr, ", ");
    $qsrtr.=')';
    print_r('<br> qsrtr= </pre>'); print_r($qsrtr); print_r('</pre>');
    $query = $this->getEntityManager()->createQuery( $qsrtr);
    foreach ($searchArr as $val) { 
        $query->setParameter( $val, $val ); 
//OR $query->setParameter( ':'.$val, $val ); //this line gives also empty array, and the same parameteres object (p) as line above.
    } //gives empty array as the result
qsrtr= SELECT e.id, e.title FROM MeetingBundle:Event e WHERE e.keywords IN (:opera, :some)
q= SELECT e0_.id AS id_0, e0_.title AS title_1 FROM event e0_ WHERE e0_.keywords IN (?, ?)
    p= Doctrine\Common\Collections\ArrayCollection Object
(
    [elements:Doctrine\Common\Collections\ArrayCollection:private] => Array
        (
            [0] => Doctrine\ORM\Query\Parameter Object
                (
                    [name:Doctrine\ORM\Query\Parameter:private] => opera
                    [value:Doctrine\ORM\Query\Parameter:private] => opera
                    [type:Doctrine\ORM\Query\Parameter:private] => 2
                )

            [1] => Doctrine\ORM\Query\Parameter Object
                (
                    [name:Doctrine\ORM\Query\Parameter:private] => some
                    [value:Doctrine\ORM\Query\Parameter:private] => some
                    [type:Doctrine\ORM\Query\Parameter:private] => 2
                )
        )
)
        $events = $em->createQuery( 'SELECT e FROM MeetingBundle:Event e WHERE e.'.$colname.' LIKE  :keyw' )
                ->setParameter('keyw', '%'.$val.'%')
                ->getResult(\Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY); 
       /**
         * Search Event entities.  
         *
         * @Route("/search", name="event_search")
         * @Method("GET|POST")
         * @Template("MeetingBundle:Event:ev_search.html.twig")
         */
    public function searchAction(Request $request)
    {
       $post = Request::createFromGlobals();
       $em = $this->getDoctrine()->getManager();

    if ($post->request->has('submit')) {      

        $searchstr=$post->request->get('search_words');       

        $searchArr = $this->multiExplode( [' ',',',';','-'], $searchstr);
        //print_r('searchArr before trim = </pre>'); print_r($searchArr); print_r('</pre>'); 
        foreach ($searchArr as $index => $value) {
             if(strlen(trim($value))==0){
                 unset($searchArr[$index]);
             }
        }
        print_r('searchArr after trim = </pre>'); print_r($searchArr); print_r('</pre>'); 

        $borstatus=$post->request->get('search_or_ck');
        $bor = ($borstatus === 'on' ) ? 1 : 0;
        $bandstatus=$post->request->get('search_and_ck');
        $band = ($bandstatus === 'on' ) ? 1 : 0;

        $bkeyw=$post->request->get('search_keyw'); // check in which table columns to perform search
        $bkeywstatus = ($bkeyw === 'on' ) ? 1 : 0;
        $btitle=$post->request->get('search_title');
        $btitlestatus = ($btitle === 'on' ) ? 1 : 0;
        $bdescr=$post->request->get('search_descr');
        $bdescrstatus = ($bdescr === 'on' ) ? 1 : 0;

        //dump($post);
        print_r('<pre>');  print_r($post);  print_r('</pre>');  
        print_r('********************** bkeyw = ');  print_r($bkeyw);  print_r('<br>');  
        print_r('********************** bkeyw = ');  print_r($bkeywstatus);  print_r('<br>'); 



        $result=array(); //result['colname']=array( 'opera'=> [ '27' => (id='27', title='x',..), '24'=>(),.....]
        foreach ($colnameArr as $colname){
            $keywArr=array(); //keywArr['opera']= [ '27' => (id='27', title='x',..), '24'=>(),.....]
            foreach ($searchArr as $val) { 
                $events = $em->createQuery( 'SELECT e FROM MeetingBundle:Event e WHERE e.'.$colname.' LIKE  :keyw' )
                        ->setParameter('keyw', '%'.$val.'%')
                        ->getResult(\Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY);
               // $res = $em->getResult(); does not work
               // $res without HYDRATE_ARRAY returns long object, but on this object getId() is not working
               // print_r('<br>*******************result <pre>'); print_r($events); print_r('</pre>');// very long object
                $identArr=array();//$identArr[ '27'] = (id='27', title='x',..)
                foreach ($events as $event){
                    //print_r('<br>*******************result <pre>'); print_r($event'id'); print_r('</pre>');//using ->getResult(\Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY);
                     // print_r('<br>*******************EVENT <pre>'); print_r($event.getId()); print_r('</pre>');// using ->getResult();
                     // print_r('<br>*******************EVENT <pre>'); print_r($event); print_r('</pre>');// very long object //using ->getResult();
                  $id = $event['id'];
                  // all results are unique, because id are unique
                  $identArr[strval($id)]=$event ; //$identArr[ '27'] = (id='27', title='x',..)
                }//foreach ($events as $event)
                $keywArr[$val]=$identArr; //keywArr['opera']= [ '27' => (id='27', title='x',..), '24'=>(),.....]
                unset($identArr);
            }//foreach ($searchArr as $val) {
            $result[$colname] = $keywArr; //result['colname']=array( 'opera'=> [ '27' => (id='27', title='x',..), '24'=>(),.....]
            unset($keywArr);
        } //foreach ($colnameArr as $colname){

// than you have to analyse result, to extract events for cases use selected: OR search, AND search, OR search only in certain columns, AND search only in certain columns... This will give finalArray      

 return array ('res'=>finalArray, )
}
// From your Event repository
$qb = $this->createQueryBuilder('e');
$qb->where($qb->expr()->in('r.keywords', explode(",", $searchstr));