質問編集履歴
3
記述ミス
title
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File without changes
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body
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@@ -453,10 +453,10 @@
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453
453
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454
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@section('content')
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455
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@foreach($datas as $data)
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456
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-
{{ $data->id }}
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456
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+
id{{ $data->id }}
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457
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-
{{ $data->books->title }}
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457
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+
本の名前{{ $data->books->title }}
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458
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-
{{ $data->users->name }}
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+
借りての名前{{ $data->users->name }}
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-
{{ $data->
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+
貸し出し日{{ $data->lent_date }}
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<br>
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@endforeach
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@endsection
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2
whereNullに変更してエラー文を追加しました。
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@@ -7,9 +7,67 @@
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7
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### 発生している問題・エラーメッセージ
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8
8
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9
9
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```
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10
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-
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10
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+
Trying to get property 'title' of non-object
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```
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12
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-
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12
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+
dd(&datas)をしてみたところ
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```
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14
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+
Illuminate\Database\Eloquent\Collection {#310 ▼
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15
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#items: array:1 [▼
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0 => App\Models\Lending {#312 ▼
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#table: "lendings"
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#fillable: array:5 [▼
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0 => "user_id"
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1 => "book_id"
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2 => "lent_date"
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3 => "return_date"
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4 => "status"
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]
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+timestamps: false
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#connection: "sqlite"
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#primaryKey: "id"
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#keyType: "int"
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+incrementing: true
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#with: []
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+
#withCount: []
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+preventsLazyLoading: false
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#perPage: 15
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+exists: true
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+wasRecentlyCreated: false
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#attributes: array:6 [▼
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"id" => "2"
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"user_id" => "2"
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"book_id" => "3"
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"lent_date" => "2021-6-30"
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"return_date" => null
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"status" => "0"
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]
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#original: array:6 [▼
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"id" => "2"
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"user_id" => "2"
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"book_id" => "3"
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"lent_date" => "2021-6-30"
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"return_date" => null
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"status" => "0"
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]
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+
#changes: []
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+
#casts: []
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54
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+
#classCastCache: []
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#dates: []
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+
#dateFormat: null
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#appends: []
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#dispatchesEvents: []
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#observables: []
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#relations: []
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#touches: []
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#hidden: []
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#visible: []
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+
#guarded: array:1 [▼
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+
0 => "*"
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+
]
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67
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+
}
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]
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}
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```
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13
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### 該当のソースコード
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14
72
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###マイグレーションファイル
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15
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```
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@@ -384,7 +442,7 @@
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384
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// 貸出中の本を表示
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385
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public function index()
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386
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{
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387
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-
$datas = Lending::
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445
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+
$datas = Lending::whereNull('return_date')->get();
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388
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return view('index', ['datas' => $datas]);
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389
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}
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390
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}
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1
seederファイルの追加
title
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File without changes
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body
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@@ -1,7 +1,7 @@
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1
1
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### 前提・実現したいこと
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2
2
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3
3
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表題の通りです。
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4
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-
ビューで貸し出しテーブルにリレーションしたusersテーブルのnameとbooksテーブルのtitleを表示させたいです。
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4
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+
ビューで貸し出しテーブルにリレーションしたusersテーブルのnameとbooksテーブルのtitleを表示させたいです。そのうえで貸し出しテーブルのreturn_dateがnullの値を抽出したいです。
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5
5
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ですがリレーション先へのアクセスができなくて詰まっています。
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6
6
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7
7
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### 発生している問題・エラーメッセージ
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|
@@ -272,6 +272,102 @@
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272
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}
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273
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}
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274
274
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```
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275
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+
### シーダー
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276
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+
```
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277
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+
// database/seeder/UserSeeder
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278
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+
<?php
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279
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+
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280
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namespace Database\Seeders;
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281
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+
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282
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+
use Illuminate\Database\Seeder;
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283
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+
use Illuminate\Support\Facades\DB;
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284
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+
use Illuminate\Support\Facades\Hash;
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285
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+
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286
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+
class UserSeeder extends Seeder
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287
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+
{
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288
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+
/**
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289
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* Run the database seeds.
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290
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+
*
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291
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+
* @return void
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292
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+
*/
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293
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+
public function run()
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294
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+
{
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295
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+
for ($i = 1; $i <= 10; $i++) {
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296
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+
DB::table('users')->insert([
|
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297
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+
'id' => $i,
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298
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+
'name' => 'user' . $i,
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299
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+
'email' => 'email' . $i . '@gmail.com',
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300
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+
'password' => Hash::make('password'),
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301
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+
]);
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302
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+
}
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303
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+
}
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|
304
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+
}
|
|
305
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+
|
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306
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+
```
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307
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+
```
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308
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+
//database/seeder/BookSeeder
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309
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+
<?php
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310
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+
|
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311
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+
namespace Database\Seeders;
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312
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+
|
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313
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+
use Illuminate\Database\Seeder;
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314
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+
use Illuminate\Support\Facades\DB;
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315
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+
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316
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+
class BookSeeder extends Seeder
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317
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+
{
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318
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+
/**
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319
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+
* Run the database seeds.
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320
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+
*
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321
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+
* @return void
|
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322
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+
*/
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323
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+
public function run()
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|
324
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+
{
|
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325
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+
for ($i = 1; $i <= 10; $i++) {
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|
326
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+
DB::table('books')->insert([
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327
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+
'title' => 'title' . $i,
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328
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+
]);
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|
329
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+
}
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|
330
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+
}
|
|
331
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+
}
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|
332
|
+
|
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333
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+
```
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|
334
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+
```
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|
335
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+
// database/seeder/LendingSeeder
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|
336
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+
<?php
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|
337
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+
|
|
338
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+
namespace Database\Seeders;
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|
339
|
+
|
|
340
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+
use Illuminate\Support\Facades\DB;
|
|
341
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+
use Illuminate\Database\Seeder;
|
|
342
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+
|
|
343
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+
class LendingSeeder extends Seeder
|
|
344
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+
{
|
|
345
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+
/**
|
|
346
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+
* Run the database seeds.
|
|
347
|
+
*
|
|
348
|
+
* @return void
|
|
349
|
+
*/
|
|
350
|
+
public function run()
|
|
351
|
+
{
|
|
352
|
+
DB::table('lendings')->insert([
|
|
353
|
+
'user_id' => '1',
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|
354
|
+
'book_id' => '2',
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355
|
+
'lent_date' => '2021-6-30',
|
|
356
|
+
'return_date' => '2021-7-4',
|
|
357
|
+
'status' => '0',
|
|
358
|
+
]);
|
|
359
|
+
|
|
360
|
+
DB::table('lendings')->insert([
|
|
361
|
+
'user_id' => '2',
|
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362
|
+
'book_id' => '3',
|
|
363
|
+
'lent_date' => '2021-6-30',
|
|
364
|
+
'return_date' => null,
|
|
365
|
+
'status' => '0',
|
|
366
|
+
]);
|
|
367
|
+
}
|
|
368
|
+
}
|
|
369
|
+
|
|
370
|
+
```
|
|
275
371
|
### コントローラ
|
|
276
372
|
```
|
|
277
373
|
// App/Http/Controller/LendingController
|