我正在开发Ruby on rails,并试图将一个logo.png图像放在 bootstrap 导航栏中. 因此,我在app/views/home/_header.html.erb中使用了以下代码
<nav class="navbar navbar-expand-lg bg-primary " data-bs-theme="dark">
<div class="container-fluid">
<!-- <a class="navbar-brand" href="#">Estrutecnia</a> -->
<a class="navbar-brand" href="#">
<img src="logo.png" alt="Estrutecnia" width="30" height="24">
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
Dropdown
</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">Something else here</a></li>
</ul>
</li>
<li class="nav-item">
<a class="nav-link disabled">Disabled</a>
</li>
</ul>
<form class="d-flex" role="search">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
The problem is that the logo doesn't appear, look at the navbar
并显示下一个错误
Started GET "/logo.png" for 127.0.0.1 at 2023-06-02 20:05:47 -0500
ActionController::RoutingError (No route matches [GET] "/logo.png"):
我try 将logo.png文件放在根目录中,我猜根目录就是Gemfile和Readme.md文件所在的文件夹. 我预计在导航栏中会出现logo.png,但导航栏左侧会出现一个损坏的文件图标,如上图所示.