Question

如何在Bootstrap 4导航栏中使用最小宽度制作100％宽度的搜索表单？我在这里的标记：https://jsfiddle.net/bfsrjo23/

<nav class="navbar navbar-expand-md navbar-light bg-faded">
<a href="/" class="navbar-brand">Brand</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar5">
    <span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse" id="navbar5">
    <ul class="navbar-nav">
        <li class="nav-item active">
            <a class="nav-link" href="#">LongLink1 <span class="sr-only">Home</span></a>
        </li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink2</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink3</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink4</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink5</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink6</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink7</a></li>
    </ul>
</div>
<form class="w-100 py-2">
    <input type="text" class="form-control border" placeholder="Search...">
</form>

我将表格放在折叠外部，以使其始终可见（笔记本电脑位于第一行，移动位于第二行）。在平板电脑模式下工作正常（视口宽度约为880px），搜索框太短。我想添加“最小宽度”，如果大小未通过，则让表单进入第二行。

Answer 1

像这样使用CSS：

#yourformId > .input-group {
  display: inline;
}

Answer 2

只需在导航中添加d-inline类，就像这样：

<nav class="navbar navbar-expand-md navbar-light d-inline bg-faded">
<a href="/" class="navbar-brand">Brand</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar5">
    <span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse" id="navbar5">
    <ul class="navbar-nav">
        <li class="nav-item active">
            <a class="nav-link" href="#">LongLink1 <span class="sr-only">Home</span></a>
        </li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink2</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink3</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink4</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink5</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink6</a></li>
        <li class="nav-item"><a class="nav-link" href="#">LongLink7</a></li>
    </ul>
</div>
<form class="w-100 py-2">
    <input type="text" class="form-control border" placeholder="Search...">
</form>

Answer 3

找到可接受的解决方案-关键是从CSS中删除flex-wrap：wrap，例如使用@media（min-width：992px），搜索表单必须具有“ display：flex; flex-basis：100％”或“ width ：100％”。这会将搜索移到第二行。

Bootstrap 4 –导航栏搜索表单最小宽度

3 个答案: