如何删除laravel 4.2中的关系数据

我有两个名为

user

和

customer

的表

现在，当我删除子数据时，如何删除父数据

就像我运行

$customer->delete（）时一样
我想从
user
中删除，其中
user.id=customer.user\u id

用户模型

use Illuminate\Auth\UserInterface;
use Illuminate\Database\Eloquent\SoftDeletingTrait;

class User extends Eloquent implements UserInterface {
    use SoftDeletingTrait;
    protected $table = 'users';
    public $timestamps = true;
    protected $dates = ['deleted_at'];
}

use Illuminate\Database\Eloquent\SoftDeletingTrait;

class Customer extends Eloquent {

    /**
     * The database table used by the model.
     *
     * @var string
     */
        use SoftDeletingTrait;
        protected $table = 'customers';
        public $timestamps = true;
        protected $dates = ['deleted_at'];

        public function User(){
            return $this->belongsTo('user','user_id','id');
        }
}

客户模型

use Illuminate\Auth\UserInterface;
use Illuminate\Database\Eloquent\SoftDeletingTrait;

class User extends Eloquent implements UserInterface {
    use SoftDeletingTrait;
    protected $table = 'users';
    public $timestamps = true;
    protected $dates = ['deleted_at'];
}

use Illuminate\Database\Eloquent\SoftDeletingTrait;

class Customer extends Eloquent {

    /**
     * The database table used by the model.
     *
     * @var string
     */
        use SoftDeletingTrait;
        protected $table = 'customers';
        public $timestamps = true;
        protected $dates = ['deleted_at'];

        public function User(){
            return $this->belongsTo('user','user_id','id');
        }
}

对于这一点，
elount
中提供了以下选项，例如：

class Customer extends Eloquent {

    public static function boot()
    {
        parent::boot();

        static::deleting(function($customer) {
            // This will delete parent item
            // before it deletes child item
            $customer->user()->delete();
        });
    }
}

所以，当你这样称呼的时候：

Customer::find(1)->delete();

首先删除父项
User
，然后删除子项
Customer
。
您可以执行
$Customer->User（）->delete（）在
$customer->delete（）之前是否有可用的“触发器”？和SQL一样？@Ramshad不，没有“触发器”，非常感谢，测试后我会给你反馈。我还有一个问题，请在发布后再查看。