导航栏左边文章分类的自动缓存加载
看到有同学写了中间件配合缓存加载,自己也写了一个缓存加载,步骤如下:
- 传入缓存中的所有分类数据, 修改
resources/views/layouts/app.blade.php
@include('layouts._header', ['categories' => app(\App\Models\Category::class)->categories()])
- 判断是否缓存中有分类数据,有直接返回,没有从数据库去取, 修改
app/Models/Category.php
,新增方法categoriespublic function categories() { if (is_null(cache('categories'))) { cache(['categories' => $this->all()], 480); } return cache('categories'); }
- 遍历缓存中的分类数据在页面
resources/views/layouts/_header.blade.php
上展示<li class="{{ active_class(if_route('topics.index')) }} nav-item"><a class="nav-link h4" href="{{ route('topics.index') }}">话题</a></li> @foreach ($categories as $category) <li class="{{ active_class((if_route('categories.show') && if_route_param('category', $category->id))) }} nav-item"><a class="nav-link h4" href="{{ route('categories.show', $category->id) }}">{{ $category->name }}</a></li> @endforeach
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