Laravel View Composer具有视图组件和一对一关系



简而言之,我想知道使用视图作曲家是否比我当前的设置更好。

我有一个 ComposerServiceProvider,带有以下boot()代码:

view()->composer(['components.carousel'], function ($view) {
    $carousels = Carousel::with('slides')->get();
    $view->with(compact('carousels'));
});

我的组件非常简单:

<style type="text/css">
  .carousel-item {
    height: 100vh;
    min-height: 300px;
    background: no-repeat center center scroll;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
  }
  .carousel-caption {
    background-color: rgba(0,0,0,0.1);
    top: 40%;
    bottom: unset;
  }
</style>
@php
  $carousel = $carousels->filter(function ($carousel, $key) use ($name) {
    return ($carousel->name == $name);
  });
@endphp
<header>
  <div id="carouselIndicators" class="carousel slide" data-ride="carousel">
    <ol class="carousel-indicators">
      @foreach ($carousel[0]->slides as $slide)
        <li data-target="#carouselIndicators"
            data-slide-to="{{ $loop->index }}"
            class="{{ $loop->index == 0 ? 'active' : '' }}"></li>
      @endforeach
    </ol>
    <div class="carousel-inner" role="listbox">
      @foreach ($carousel[0]->slides as $slide)
        <div class="carousel-item {{ $loop->index == 0 ? 'active' : '' }}"
             style="background-image: url('{{ Storage::url($slide->image) }}')">
          @if ($slide->title || $slide->description || $slide->link)
            <div class="carousel-caption d-none d-md-block">
              <h3>{{ $slide->title }}</h3>
              <p>{{ $slide->description }}</p>
              <a class="btn btn-primary btn-sm" href="{{ $slide->link }}">Learn More</a>
            </div>
          @endif
        </div>
      @endforeach
    </div>
    <a class="carousel-control-prev" href="#carouselIndicators" role="button" data-slide="prev">
      <span class="carousel-control-prev-icon" aria-hidden="true"></span>
      <span class="sr-only">Previous</span>
    </a>
    <a class="carousel-control-next" href="#carouselIndicators" role="button" data-slide="next">
      <span class="carousel-control-next-icon" aria-hidden="true"></span>
      <span class="sr-only">Next</span>
    </a>
  </div>
</header>

使用组件:

@component('components.carousel', [
    'name' => 'Super Awesome Carousel'
])
@endcomponent

这是困扰我的东西:

@php
  $carousel = $carousels->filter(function ($carousel, $key) use ($name) {
    return ($carousel->name == $name);
  });
@endphp

我正在返回带有幻灯片关系的每个旋转木马,然后过滤旋转木马,只使用我需要的一个carousel->slides关系。有没有办法让视图作曲家知道我需要的旋转木马的名称?还是有更好的方法来接近这一点?

谢谢,

您想将此php代码排除在您的视图中。最好做到这一点。有2个选项。您可以将其添加到型号中,以picture.php为例。采用您最常使用的型号。

public static function Carousel($carousels, $name) {
   return $carousels->filter(function ($carousel, $key) use ($name) {
      return ($carousel->name == $name);
   });
 }

在视图呼叫@php $carousel = Picture::Carousel($carousels, 'Super Awesome Carousel') @endphp中,您可以删除components.carousel组件。

另一种做法是在appFunctionsfunctions.php

中创建自己的自定义功能
<?php
if ( ! function_exists("Carousel")) {
function Carousel($carousels, $name) {
  return $carousels->filter(function ($carousel, $key) use ($name) {
      return ($carousel->name == $name);
    }
  }
}

composer.json中添加此行:

"files": [
  "app/Functions/functions.php"
],

运行composer dump-autoload,并且功能可在您视图中的任何地方使用@php $carousel = Carousel($carousels, 'Super Awesome Carousel') @endphp

当您经常使用它时,我会选择functions.php选项。您应该在控制器中创建$ CAROUSEL对象并将其传递。您可以摆脱应有的观点。

相关内容

  • 没有找到相关文章

最新更新