模板仅在 html 中显示
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【中文标题】模板仅在 html 中显示【英文标题】：Template is showing only in html 【发布时间】：2022-01-03 16:02:40 【问题描述】：我在渲染一个在基本模板中扩展的页面时遇到问题，它只显示在没有 css 或 js 的 html 中。 这是显示的内容： img 我试图理解这个问题，这似乎不合逻辑，因为它是相同的暗示
这是我的树枝页面：
% extends 'base-back.html.twig'%
% block title %Edit DossierEmprunteur% endblock %
% block body %
<h1>Edit DossierEmprunteur</h1>
include('dossier_emprunteur/_form.html.twig', 'button_label': 'Update')
<a href=" path('dossier_emprunteur_index') ">back to list</a>
include('dossier_emprunteur/_delete_form.html.twig')
% endblock %
这是我的模板库：
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="/docs/4.1/assets/img/favicons/favicon.ico">
<title>Dashboard Template for Bootstrap</title>
<link rel="canonical" href="https://getbootstrap.com/docs/4.1/examples/dashboard/">
<!-- Bootstrap core CSS -->
<link href="../../dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="dashboard.css" rel="stylesheet">
</head>
<body>
include('inc/navbar.html.twig')
<div class="container-fluid" style="margin-top: 50px">
<div class="row">
<nav class="col-md-2 d-none d-md-block bg-light sidebar">
<div class="sidebar-sticky">
<ul class="nav flex-column">
<li class="nav-item">
<a class="nav-link active" href="#">
<span data-feather="home"></span>
Dashboard <span class="sr-only">(current)</span>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file"></span>
Orders
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="shopping-cart"></span>
Products
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="users"></span>
Customers
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="bar-chart-2"></span>
Reports
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="layers"></span>
Integrations
</a>
</li>
</ul>
<h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted">
<span>Saved reports</span>
<a class="d-flex align-items-center text-muted" href="#">
<span data-feather="plus-circle"></span>
</a>
</h6>
<ul class="nav flex-column mb-2">
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Current month
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Last quarter
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Social engagement
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">
<span data-feather="file-text"></span>
Year-end sale
</a>
</li>
</ul>
</div>
</nav>
<main role="main" class="col-md-9 ml-sm-auto col-lg-10 px-4">
<div class="row">
% block body %% endblock %
</div>
</main>
</div>
</div>
<!-- Bootstrap core javascript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script>window.jQuery || document.write('<script src="../../assets/js/vendor/jquery-slim.min.js"><\/script>')</script>
<script src="../../assets/js/vendor/popper.min.js"></script>
<script src="../../dist/js/bootstrap.min.js"></script>
<!-- Icons -->
<script src="https://unpkg.com/feather-icons/dist/feather.min.js"></script>
<script>
feather.replace()
</script>
</body>
</html>
在其他页面中它可以正确呈现，但在编辑页面中没有
【问题讨论】：
您尝试过什么解决问题的方法？你被困在哪里了？此模板与其他模板有何不同？ 另外，您的浏览器的网络控制台是否告诉您有关此的任何信息？我认为这是 CSS 文件的加载问题，因为您使用 relative 路径来加载 CSS 文件 它是同一个模板，它在其他页面中正确呈现，但在“编辑”页面中它只显示没有 css 或 js 的 html。浏览器控制台显示没有问题 您尝试解决问题的方法是什么？ Symfony 为资产提供组件是有充分理由的，请参阅 symfony.com/doc/current/… 【参考方案1】：因为您使用的是相对路径，所以当您的 URL 获得额外级别时，文件将不会加载。
替换
<link href="../../dist/css/bootstrap.min.css" rel="stylesheet">
<link href="dashboard.css" rel="stylesheet">
<script src="../../assets/js/vendor/popper.min.js"></script>
<script src="../../dist/js/bootstrap.min.js"></script>
与
# File location: "public/dist/css/bootstrap.min.css" #
<link href=" asset('dist/css/bootstrap.min.css') " rel="stylesheet">
# File location: "public/dashboard.css" #
<link href=" asset('dashboard.css') " rel="stylesheet">
# File location: "public/assets/js/vendor/popper.min.js" #
<script src=" asset('assets/js/vendor/popper.min.js') "></script>
# File location: "public/dist/js/bootstrap.min.js" #
<script src=" asset('dist/js/bootstrap.min.js') "></script>
Symfony 4.4 的文档：Linking to CSS, JavaScript and Image Assets
【讨论】：
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