有人可以帮我引导下拉菜单吗

Question

下拉菜单不起作用，谁能帮帮我！！

    <div class="col-xs-12">
        <div class="btn-group" appDropdown>
            <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">Manage Recipe <span class="caret"></span></button>
            <ul class="dropdown-menu">
                <li><a>To Shopping List</a></li>
                <li><a (click)="onEditRecipe()"style="cursor: pointer;">Edit Recipe</a></li>
                <li><a style="cursor: pointer;">Delete Recipe</a></li>
            </ul>
        </div>
    </div>
</div>

Answer 1

将data-toggle="dropdown" 添加到您的按钮标签。

Answer 2

只需使用data-toggle="dropdown" 和 data-target="#navdrop"