Ajax与Symfony3

干草町电力

我想动态显示用户列表,但是不起作用。我自己测试了查询,它可以正常工作,但仍然不显示任何内容。这是脚本

 <script>
    function showUser() {
                // code for IE7+, Firefox, Chrome, Opera, Safari
                xmlhttp = new XMLHttpRequest();

            xmlhttp.onreadystatechange = function() {
                if (this.readyState == 4 && this.status == 200) {
                    document.getElementById("user-list-div").innerHTML = xmlhttp.responseText;
                }
            };
            xmlhttp.open("GET","{{ path('ajax_update')}}",true);
            xmlhttp.send();
        }
</script>

这是控制器操作:

 public function searchUsersAction(Request $request)
{
    /*$em = $this->getDoctrine()->getManager();
    $request = $this->get('request');*/
    $projectName = $request->get('projectName');
    echo($projectName);
    //$projectId=$this->getDoctrine()->getRepository('SocialProMeetingBundle:meetingUser')->findName($projectName);
    //echo(count($projectId));
    //foreach($projectId as $pId) {
        //$projectId->getPId();
        $pus = $this->getDoctrine()->getRepository('SocialProMeetingBundle:meetingUser')->findProjectUsers($projectName);
    //}
    $response = "<select class=\"select2_multiple form-control\" multiple=\"multiple\">";
    foreach($pus as $user){
        $response . "<option>" . $user . "</option>";
    }
    $response = $response."</select> ";
    return new Response($response);
    //return($pus);
    //call repository function
}

这是查询

public function findProjectUsers($projectName){
    $query=$this->getEntityManager()
        ->createQuery(
            "SELECT u.firstName FROM SocialProDefaultBundle:User u, SocialProProjectBundle:Project p, SocialProProjectBundle:ProjectUser pu WHERE u.id = pu.user AND p.id=pu.project AND p.name='$projectName'");
    return $query->getResult();
}
阿尔文·邦克(Alvin Bunk)

您的查询不正确。您需要像这样连接$ projectName:

public function findProjectUsers($projectName){
    $query=$this->getEntityManager()
        ->createQuery(
            "SELECT u.firstName
                FROM SocialProDefaultBundle:User u,
                SocialProProjectBundle:Project p,
                SocialProProjectBundle:ProjectUser pu
                WHERE u.id = pu.user AND p.id=pu.project AND p.name=:name"
        )->setParameter('name', $projectName);
    return $query->getResult();
}

我不确定这是否可以解决所有问题,但至少可以使查询正常工作。

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