显示依赖于差异数组名称的数组成员 [英] showing array member dependent the name of difference array

问题描述

我由laravel创建了一个网站，我想显示类别和相关的产品名称.

I created a site by laravel and I want to show categories and relevant products names.

我有一个数组，就像这样

I have an array and like this

$category  = [
    '1' => 'cat1',
    '2' => 'cat2'
];

$product = [
    '0' => array(
     'name' => 'product1',
     'category_id' => '2'
),
    '1' => array(
     'name' => 'product2',
     'category_id' => '2'
),
    '2' => array(
     'name' => 'product3',
     'category_id' => '2'
),
    '3' => array(
     'name' => 'product4',
     'category_id' => '1'
),
    '4' => array(
     'name' => 'product5',
     'category_id' => '1'
),
    '5' => array(
     'name' => 'product6',
     'category_id' => '2'
)]; 

我想这样显示

<h3>cat1</h3>
<p>product4</p>
<p>product5</p> 
<hr>
<hr> 
<h3>cat2</h3>
<p>product1</p>
<p>product2</p>
<p>product3</p>
<p>product6</p> 

您必须知道我正在使用laravel，我想使用laravel来完成这项工作，但是您也可以使用PHP进行编码，我想我可以将其转换为laravel

You have to know I'm using laravel and I want doing this job with laravel but you also can coding with PHP, I think I can to convert it in laravel

推荐答案

您可以使用Laravel集合的 groupBy 用于您的用例.

You can make use of Laravel collections' groupBy for your use case.

在控制器文件中，按category_id键进行分组，然后通过循环在刀片中呈现它们.

In your controller file, group by category_id key and render them in your blade by looping.

控制器代码段:

public function someMethod(){
    $category  = [
        '1' => 'cat1',
        '2' => 'cat2'
    ];

    $product = [
        '0' => array(
         'name' => 'product1',
         'category_id' => '2'
    ),
        '1' => array(
         'name' => 'product2',
         'category_id' => '2'
    ),
        '2' => array(
         'name' => 'product3',
         'category_id' => '2'
    ),
        '3' => array(
         'name' => 'product4',
         'category_id' => '1'
    ),
        '4' => array(
         'name' => 'product5',
         'category_id' => '1'
    ),
        '5' => array(
         'name' => 'product6',
         'category_id' => '2'
    )]; 

    $category_collection = collect($product)->groupBy('category_id')->toArray();

    return view('your_blade_name',compact('category_collection','category'));
}

刀片片段:

@foreach($category_collection as $category_id => $data)
    <h3>{{ $category[$category_id] }}</h3>
    @foreach($data as $current_data)
        <p>{{ $current_data['name'] }}</p>
    @endforeach
<hr>
<hr> 
@endforeach

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