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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                > Blade 是由 Laravel 提供的非常簡單但功能強大的模板引擎 ,[參考文檔](https://xueyuanjun.com/post/8773.html) [TOC] ## Controller 中進行渲染 ~~~ public function index2(RenderInterface $render) { $links = Link::query()->paginate(10); return $render->render('index.index', ['links' => $links]); } ~~~ ## 注釋 > 不同于 HTML 注釋,Blade 注釋并不會包含到 HTML 中被返回 ~~~ {{-- This comment will not be present in the rendered HTML --}} ~~~ ## 插槽輸出 > 為了避免 XSS 攻擊,會自動對數據進行轉義 > 插槽里可以調用任何方法,進行返回值的顯示 ~~~ {{ $name }} ~~~ ## 原生數據顯示 ~~~ {!! $content !!} ~~~ ## 渲染 JSON 內容 > 有時候你可能會將數據以數組方式傳遞到視圖再將其轉化為 JSON 格式以便初始化某個 JavaScript 變量 ~~~ <script> var app = <?php echo json_encode($array); ?>; </script> ~~~ > 推薦使用Blade 的 @json 指令 ~~~ <script> var app = @json($array); </script> ~~~ ## If 語句 > 可以使用 @if , @elseif , @else 和 @endif 來構造 if 語句,這些指令的功能和 PHP 相同 ~~~ @if (count($records) === 1) I have one record! @elseif (count($records) > 1) I have multiple records! @else I don't have any records! @endif ~~~ ## 循環 ~~~ @for ($i = 0; $i < 10; $i++) The current value is {{ $i }} @endfor @foreach ($users as $user) @if ($user->type == 1) @continue @endif <li>{{ $user->name }}</li> @if ($user->number == 5) @break @endif @endforeach ~~~ ### $loop變量 ~~~ @foreach ($users as $user) @if ($loop->first) This is the first iteration. @endif @if ($loop->last) This is the last iteration. @endif <p>This is user {{ $user->id }}</p> @endforeach ~~~ > 如果你身處嵌套循環,可以通過 $loop 變量的 parent 屬性訪問父級循環 ~~~ @foreach ($users as $user) @foreach ($user->posts as $post) @if ($loop->parent->first) This is first iteration of the parent loop. @endif @endforeach @endforeach ~~~ > $loop 變量還提供了其他一些有用的屬性 | 屬性 | 描述 | | --- | --- | | `$loop->index` | 當前循環迭代索引 (從0開始) | | `$loop->iteration` | 當前循環迭代 (從1開始) | | `$loop->remaining` | 當前循環剩余的迭代 | | `$loop->count` | 迭代數組元素的總數量 | | `$loop->first` | 是否是當前循環的第一個迭代 | | `$loop->last` | 是否是當前循環的最后一個迭代 | | `$loop->depth` | 當前循環的嵌套層級 | | `$loop->parent` | 嵌套循環中的父級循環變量 |
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