小编Tar*_*rma的帖子

Offer.php＃模型

use App\OfferCategory;
use App\OfferCountries;
use App\OfferCreative;
use App\OfferTools;
use App\OfferTraffic;

class Offer extends Model {
public function offer_countries() {
    return $this->belongsToMany(OfferCountries::class);
}

public function offer_categories() {
    return $this->belongsToMany(OfferCategory::class);
}

public function offer_creatives() {
    return $this->hasMany(OfferCreative::class);
}

public function offer_tools() {
    return $this->hasMany(OfferTools::class);
}

public function offer_traffic() {
    return $this->hasMany(OfferTraffic::class);
}

public function platforms() {
    return $this->hasMany(Platform::class);
}

}

OfferController.php

 public function getMediaData() {
//        $model = Offer::with('offer_traffic');
//        return DataTables::eloquent($model)
//                        ->addColumn('traffic', function (Offer $user) {
//                            return …