CSS 下拉菜单

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Release: 2017-03-20 11:44:17
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使用 CSS 可以创建一个鼠标移入后显示下拉菜单的效果。

1、下拉菜单的实现

  当鼠标移入指定元素时,显示下拉菜单。代码如下:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>简单的下拉菜单</title>
<style>
.dropdown{
    position:relative;
    display:inline-block;
}

.dropdown-content{
    min-width:200px;
    border:1px solid black;
    position:absolute;
    display:none;
}

.dropdown:hover .dropdown-content{
    display:block;
}
</style>
</head>
<body>
<p class="dropdown">
    <span>鼠标你过来,我为你展示下拉菜单。</span>
    <p class="dropdown-content">
        <p>下拉菜单 1</p>
        <p>下拉菜单 2</p>
    </p>
</p>
</body>
</html>
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  实例解析:

  HTML 部分:

    可以使用任何 HTML 元素来打开下拉菜单,比如 ,或

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