下面是我的代码片段,如您在下拉菜单上看到的那样,它的宽度很大,因此我想使其宽度等于父级触发按钮,有人知道如何制作吗?
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
test
<span class="caret"></span>
</button>
<ul class="dropdown-menu dropdown-menu-right downloadoptions">
<li role="presentation"><a class="tbcopy" role="menuitem" tabindex="-1" href="#">COPY</a></li>
<li role="presentation"><a class="tbpdf" role="menuitem" tabindex="-1" href="#">PDF</a></li>
<li role="presentation"><a class="tbcsv" role="menuitem" tabindex="-1" href="#">CSV</a></li>
<li role="presentation"><a class="tbexcel" role="menuitem" tabindex="-1" href="#">EXCEL</a></li>
<li role="presentation"><a class="tbprint" role="menuitem" tabindex="-1" href="#">PRINT</a></li>
</ul>
</div>
最佳答案
只需覆盖下拉菜单的默认min-width
即可:
.downloadoptions {
min-width: 0 !important;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
test
<span class="caret"></span>
</button>
<ul class="dropdown-menu dropdown-menu-right downloadoptions">
<li role="presentation"><a class="tbcopy" role="menuitem" tabindex="-1" href="#">COPY</a>
</li>
<li role="presentation"><a class="tbpdf" role="menuitem" tabindex="-1" href="#">PDF</a>
</li>
<li role="presentation"><a class="tbcsv" role="menuitem" tabindex="-1" href="#">CSV</a>
</li>
<li role="presentation"><a class="tbexcel" role="menuitem" tabindex="-1" href="#">EXCEL</a>
</li>
<li role="presentation"><a class="tbprint" role="menuitem" tabindex="-1" href="#">PRINT</a>
</li>
</ul>
</div>