car_info/app/model/Location.php

<?php

namespace app\model;

use support\Model;

class Location extends Model
{
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'locations';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = false;

    //批量赋值黑名单
    protected $guarded = ['created_at', 'updated_at'];

    /**
     * Get the vehicles for the location.
     */
    public function vehicles()
    {
        return $this->hasMany(Vehicle::class, 'locations_id', 'id');
    }
    /**
     * 目的地关联
     * Get the vehicles for the location.
     */
    public function finalVehicles()
    {
        return $this->hasMany(Vehicle::class, 'final_locations_id', 'id');
    }

    /**
     * Get the FBO vehicles for the location.
     */
    public function fboVehicles()
    {
        return $this->hasMany(Vehicle::class, 'fbo_locations_id', 'id');
    }

    /**
     * Scope a query to only include locations that have vehicles.
     */
    public function scopeHasVehicles($query)
    {
        return $query->whereHas('vehicles');
    }
}