【问题标题】:How can I make the submenu in the MaterializeCSS dropdown?如何在 MaterializeCSS 下拉菜单中创建子菜单?
【发布时间】:2016-06-29 02:27:28
【问题描述】:

我正在尝试使用 MaterializeCSS 框架在下拉菜单中创建一个子菜单下拉菜单。我尝试了以下代码,但没有成功。

<!-- this the main dropdown -->
<ul id="MainDropDown" class="dropdown-content">
    <li><a href="#" class="dropdown-button" data-beloworigin="true" data-contrainwidth="false" data-gutter="30" data-alignment="right" data-activates="drop1">Dropdown1<span class="right caret">&#9658;</span></a></li>
    <li><a href="#" class="dropdown-button" data-beloworigin="true" data-contrainwidth="false" data-gutter="30" data-alignment="right" data-activates="drop2">Dropdown2<span class="right caret">&#9658;</span></a></li>
    <li><a href="#" class="dropdown-button" data-beloworigin="true" data-contrainwidth="false" data-gutter="30" data-alignment="right" data-activates="drop3">Dropdown3<span class="right scaret">&#9658;</span></a></li>   
</ul>
<ul id="drop1" class="dropdown-content">
    <li><a href="#">Create</a></li>
</ul>
<ul id="drop2" class="dropdown-content">
    <li><a href="#">Create</a></li>
    <li><a href="#">Update</a></li>
</ul>
<ul id="drop3" class="dropdown-content">
    <li><a href="#">Create</a></li>
</ul>

【问题讨论】:

标签: html css submenu dropdown materialize


【解决方案1】:

我在这里尝试过,但我在下拉菜单中的同一行上对齐,然后它成功了:

.dropdown-content {
   overflow-y: visible;
}

.dropdown-content .dropdown-content {
   margin-left: 100%;
}

【讨论】:

    【解决方案2】:

    我自己也有同样的问题。 原来它就像嵌套另一个下拉链接一样简单, 设置适当的排水沟,并确保溢出 dropdown-content 设置为 visible

    这是Nested dropdowns in materialize中链接的修改后的jsfiddle的链接

    https://jsfiddle.net/fb0c6b5b/

    $('.dropdown-button2').dropdown({
          inDuration: 300,
          outDuration: 225,
          constrain_width: false, // Does not change width of dropdown to that of the activator
          hover: true, // Activate on hover
          gutter: ($('.dropdown-content').width()*3)/2.5 + 5, // Spacing from edge
          belowOrigin: false, // Displays dropdown below the button
          alignment: 'left' // Displays dropdown with edge aligned to the left of button
        }
      );
    .dropdown-content{
        overflow: visible !important;
    }
    <link href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.6/css/materialize.min.css" rel="stylesheet"/>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <a class='dropdown-button btn' href='#' data-activates='dropdown1' data-beloworigin="true">Drop Me!</a>
    <ul id='dropdown1' class='dropdown-content'>
        <li><a href="#!">two</a></li>
        <li class="divider"></li>
        <li><a href="#!">three</a></li>
        <li><a class='dropdown-button2 d' href='#' data-activates='dropdown2' data-hover="hover" data-alignment="left">Drop Me!</a></li>
    </ul>
    <ul id='dropdown2' class='dropdown-content'>
        <li><a href="#!">one</a></li>
        <li><a href="#!">two</a></li>
        <li class="divider"></li>
        <li><a href="#!">three</a></li>
    </ul>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.6/js/materialize.min.js"></script>

    【讨论】:

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