我正在尝试第一次使用hasManyThrough关系。但是，当我尝试调用该方法时，它什么也不返回。
这是我的数据库：
User:
- id
- (...)
Shipment:
- id
- users_id
- (...)
Shipment_question:
- id
- shipment_id
- (...)
这是我模型的代码。
用户：
public function Shipment()
{
return $this->hasMany('Shipment','users_id');
}
public function Shipment_question(){
return $this->hasManyThrough('Shipment_question','Shipment','users_id','shipment_id');
}
运输：
public function User()
{
return $this->belongsTo('User','users_id');
}
public function Shipment_question()
{
return $this->hasMany('Shipment_question','shipment_id');
}
发货问题：
public function Shipment()
{
return $this->belongsTo('Shipment','shipment_id');
}
这里是电话：
Auth::User()->Shipment_question;
我正在使用barryvdh调试栏查看查询，shipment_question调用应生成一个查询，但是在查询日志中仅显示auth :: user查询。
为了用作动态属性，关系必须为camelCased，因此重命名：
public function Shipment_question(){
return $this->hasManyThrough('Shipment_question','Shipment','users_id','shipment_id');
}
//to
public function shipmentQuestion(){
return $this->hasManyThrough('Shipment_question','Shipment','users_id','shipment_id');
}
那么您将可以调用它：
Auth::user()->simpmentQuestion;
否则，使用它的唯一方法就是直接将其作为方法调用：
Auth::User()->Shipment_question()->getResults();
// what gives the same result as dynamic property after fix:
Auth::User()->shipmentQuestion;
通常，Laravel4 +命名约定使用camelCased方法，属性和StudlyCased类来强制（如上，或至少对其他情况建议）。
因此，我建议也重命名您的Shipment_question班级ShipmentQuestion。
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