Laravel 存储来自 for-each 循环的值并将其作为数组传递

Question

我的创建视图 [Subject_id, Lead_id] 中有两个 for-each 循环，我想使用数组方法将 for-each 值存储到我的数据库中，但我无法让它工作任何人都可以修改我的代码或指点我一个正确的方法谢谢。

控制器：

public function store(Request $request)
{
    //
    $input = $request->all();
    $items = array(['Subject_id','Lead_id']);
    foreach($input as $inputs) {
        $items[] = $inputs;
    }
    $scores = new Score();
    $scores->Subject_id=$items['Subject_id'];
    $scores->Lead_id=$items['Lead_id'];
    $scores->save();
    dd($request->all());
    return redirect()->route('scores.create')->with('notif', 'Success.');
}

这是消息：

创建视图

@foreach ($leads as $lead)
    <tr>
        <td>{{ $lead->student_name }}</td>
        <td><input type="checkbox" class="checkbox" name="Lead_id[]"  value="{{ $lead->id }}"></td>
    </tr>
@endforeach
@foreach($subjects as $subject)
 <label >
    <input type="checkbox" name="Subject_id[]" value="{{ $subject->id }}">
    {{ $subject->subject_name }}
 </label>
 @endforeach

DD 结果：

Answer 1

在您的控制器中尝试此代码

public function store(Request $request)
{
  $data = $request->all();

  $leads = $data['Lead_id'];

  $subject_ids = $data['Subject_id'];

  //insert using foreach loop
  foreach($leads as $key => $input) {
    $scores = new Score();
    $scores->Subject_id = isset($leads[$key]) ? $leads[$key] : ''; //add a default value here
    $scores->Lead_id = isset($subject_ids[$key]) ? $subject_ids[$key] : ''; //add a default value here
    $scores->save();
  }


  //insert using array at once
  $rows = [];
  foreach($leads as $key => $input) {
    array_push($rows, [
      'Subject_id' => isset($leads[$key]) ? $leads[$key] : '', //add a default value here
      'Lead_id' => isset($subject_ids[$key]) ? $subject_ids[$key] : '' //add a default value here
    ]);
  }
  Score::insert($rows);

  return redirect()->route('scores.create')->with('notif', 'Success.');
}

Answer 2

每次在 foreach 循环中创建模型实例都不是一种有效的方式。你可以这样做

   foreach($input as $inputs) {
     $dataArray[] = [
    'Subject_id' => $inputs['Subject_id'],
    'Lead_id' => $inputs['Lead_id'],
    ];    
    }
DB::table('Score')->insert($dataArray);

您可以随意操作数据。

有了这个代码我有这个

Answer 3

更新你的刀片

    @foreach ($leads as $lead)
    {{ $lead->student_name }}
        @foreach($subjects as $subject)
          <input type="checkbox" name="Subject_id[$lead->id][]" value="{{ $subject->id }}">
          {{ $subject->subject_name }}
        @endforeach
   @endforeach

这是你的控制器

   public function store(Request $request)
    {
        //
    $subjects = $request->get('Subject_id');

       foreach($subjects as $key=>$oneLeadOptions) {

           foreach($oneLeadOptions as $option){
                  $scores = new Score();
                  $scores->Subject_id  = $option;
                  $scores->Lead_id = $key;
                  $scores->save();

           }
       }
    //To to other redirects logic here
    }

试试这个