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株式会社やどかりAdvent Calendar 2023

Day 12

確認画面ありのフォームで入力に戻る際に引き継げていないold値を強制的に持たせる

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通常の戻るボタンの作成

// blade
<div class="col-sm-3">
    <button class="btn btn-block btn-secondary" type="submit" name='back' value="back">戻る</button>
</div>

// controller
if (!empty($request['back'])) {
  return redirect()->route('〇〇〇.×××.create')->withInput();
} 

上記の記述で登録フォームと確認画面のネーム属性が一緒であれば入力された内容を再び登録画面のinputに設置できます。

登録フォームと確認画面でnameが一部違った場合

// blade
<div class="col-sm-3">
    <button class="btn btn-block btn-secondary" type="submit" name='back' value="back">戻る</button>
</div>
// ↑ここまでは一緒↑ //

// controller
if (!empty($request['back'])) {
    //ここでrequestの配列に登録フォームで使われているname属性のkey値の値を追加する
    $request->merge([
        'field1' => $request['field1_confirm'],
        'field2' => $request['field2_confirm'],
        'field3' => $request['field3_confirm'],
    ]);
  return redirect()->route('〇〇〇.×××.create')->withInput();
} 

上記のようにする事で確認画面と登録画面が違った場合でもold値を引き継げます。

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