使用过滤器Laravel模型

Question

我想按商店过滤。

控制器

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function filter(Request $request){
    $goods = Good::select('shop_id')->where('shop_id', '=', $request->id)->get();
    $shops = Shop::all ();
    return view('filter')->with(['goods' => $goods, 'shops' => $shops]);
}

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迁移

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Schema::create('goods', function (Blueprint $table) {
    $table->increments('id');
    $table->string('name');
    $table->integer('amount');
    $table->integer('shop_id');
    $table->timestamp('onPurchase');
    $table->timestamps();
});
      
Schema::create('shops', function (Blueprint $table) {
    $table->increments('id');
    $table->string('name');
    $table->string('adress')->nullable();
    $table->timestamps();
});

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表单以获取ID

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<form action = "{{ route('filter') }}" method="post">
    {{ csrf_field() }}
    <select name="id">
    @foreach ($shops as $shop)
        <option value="{{$shop->id}}">{{$shop->name}} {{$shop->adress}}</option>
    @endforeach;
    </select>
    <br><br>
    <input type="submit" class="btn btn-primary" value="Pasirinkti">
</form>

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它不会根据我通过$ _POST获得的所选ID打印列表。任何帮助将不胜感激。