Question

我在数据库中有一些引号，并且正在尝试使用Laravel在页面上显示它。我将引号从控制器中拉出，然后传递给视图，但出现错误：

Undefined variable: quotes (View: C:\laragon\www\resources\views\inc\quote.blade.php) (View: C:\laragon\www\\resources\views\inc\quote.blade.php) (View: C:\laragon\www\\resources\views\inc\quote.blade.php

QuotesController.php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;

class QuotesController extends Controller
{
    public function index()
    {
        $quotes = DB::table('quotes')->get();

        return view('inc.quote', ['quotes' => $quotes]);
    }
}

quote.blade.php

<div id="MarketingQuote" class="container-fluid padding bg-light">
    <div class="row">
        <div class="col-lg-6">
            <h2>Marketing Quote of the day</h2>

            @foreach($quotes->all() as $quote)
                <li>{{$quote}}</li>
            @endforeach

            <br>
        </div>
        <div class="col-lg-6">
            <img src="img/computer.jpg" class="image-fluid" alt="">
        </div>
    </div>
</div>

行情迁移表

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateQuotesTable extends Migration
{

    public function up()
    {
        Schema::create('quotes', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->text('quote');
            $table->string('author');
            $table->timestamps();
        });
    }

    public function down()
    {
        Schema::dropIfExists('quotes');
    }
}

为什么会出现此错误？而且如何一次只显示一个报价，并且每次刷新时都只更改一次？

谢谢。

Answer 1

我建议您在控制器中输入变量$ quotes，并且我记得传递的变量数组键可以使用而不必使用所有功能。

laravel手册中的以下代码：

Route::get('greeting', function () {
        return view('welcome', ['name' => 'Samantha']);
    });
    Hello, {{ $name }}.

更改

@foreach($quotes->all() as $quote)
                <li>{{$quote}}</li>
@endforeach

进入

@foreach($quotes as $quote)
                <li>{{$quote}}</li>
@endforeach

从数据库中提取单引号并使用Laravel在页面上显示

1 个答案: