这是标题的代码,我想将其搜索栏和按钮居中对齐
<header>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Aditya Shrivastava</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<nav class="navbar navbar-light bg-light">
<form class="form-inline">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</nav>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav ml-auto">
<a class="nav-item nav-link" href="#">Twitter</a>
<a class="nav-item nav-link" href="#">Resume</a>
<a class="nav-item nav-link" href="#">Blog</a>
</div>
</div>
</nav>
</header>
最佳答案
要对齐 Bootstrap 4 导航栏内容,请使用 utility classes
flex-grow-1
在品牌和表单上,以便它们填充宽度mx-lg-auto
将表单居中于 lg 及上方(navbar-expand-lg 断点)- 右侧导航栏上的
ml-auto
折叠以使其保持右对齐 m-* 和 p-*
根据需要调整边距或填充
<header>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand flex-grow-1" href="#">Aditya Shrivastava</a>
<div class="flex-grow-1 d-flex">
<form class="form-inline flex-nowrap bg-light mx-0 mx-lg-auto rounded p-1">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav ml-auto">
<a class="nav-item nav-link" href="#">Twitter</a>
<a class="nav-item nav-link" href="#">Resume</a>
<a class="nav-item nav-link" href="#">Blog</a>
</div>
</div>
</nav>
</header>
https://www.codeply.com/go/NXIwAj610b
相关:Bootstrap NavBar with left, center or right aligned items
关于html - 将导航栏搜索表单和按钮与 Bootstrap 4 中心对齐,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52077386/