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我有一个双层嵌套的hasOne关系,并且最终关系似乎为空值。Laravel - 嵌套关系显示为空
我的在线招聘关系有以下几点:
<?php
namespace App\Model;
use Illuminate\Database\Eloquent\Model;
class JobApplication extends Model
{
protected $table = 'job_applications';
protected $primaryKey = 'job_application_id';
public function jobrequest()
{
return $this->hasOne('App\Model\JobRequest', 'job_request_id', 'job_request_id');
}
}
我JobRequest型号有以下几点:
<?php
namespace App\Model;
use Illuminate\Database\Eloquent\Model;
class JobRequest extends Model
{
protected $table = 'job_requests';
protected $primaryKey = 'job_request_id';
public function jobgroup()
{
return $this->hasOne('App\Model\JobGroup', 'job_group_code', 'job_group_code');
}
public function jobapplication()
{
return $this->belongsTo('App\Model\JobApplication', 'job_request_id');
}
}
而且我JobGroup有以下几点:
<?php
namespace App\Model;
use Carbon;
use Illuminate\Database\Eloquent\Model;
class JobGroup extends Model
{
protected $table = 'job_groups';
protected $primaryKey = 'job_group_code';
public function jobrequest()
{
return $this->belongsTo('App\Model\JobRequest', 'job_group_code');
}
}
我访问他们在我的控制器像这样:
$job_applications = JobApplication::with(['jobrequest', 'jobrequest.jobgroup'])
->where('user_id', Auth::id())
->first();
它查询正确的Debugbar(是用于job_groups查询给出的数据),但是当我甩$job_applications
,jobgroup显示空