如何在 Material Design Lite 中将标签栏居中
How to center a Tab Bar in Material Design Lite
Material 设计指南指定了一个居中的标签栏 (https://material.io/guidelines/components/tabs.html)。在 MDL 中是否有一个 class。如果没有,我如何使用 CSS 实现此目的?
默认情况下 MDL Tab Bar (v.1.3.0) 会居中,像这样:
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet" />
<div class="mdl-tabs mdl-js-tabs mdl-js-ripple-effect">
<div class="mdl-tabs__tab-bar">
<a href="#starks-panel" class="mdl-tabs__tab is-active">Starks</a>
<a href="#lannisters-panel" class="mdl-tabs__tab">Lannisters</a>
<a href="#targaryens-panel" class="mdl-tabs__tab">Targaryens</a>
</div>
<div class="mdl-tabs__panel is-active" id="starks-panel">
<ul>
<li>Eddard</li>
<li>Catelyn</li>
<li>Robb</li>
<li>Sansa</li>
<li>Brandon</li>
<li>Arya</li>
<li>Rickon</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="lannisters-panel">
<ul>
<li>Tywin</li>
<li>Cersei</li>
<li>Jamie</li>
<li>Tyrion</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="targaryens-panel">
<ul>
<li>Viserys</li>
<li>Daenerys</li>
</ul>
</div>
</div>
这是通过 .mdl-tabs__tab-bar {justify-content: center;}
的默认样式实现的
如果您想左(或右)对齐标签栏,您可以将 justify-content: flex-start
或 justify-content: flex-end
添加到 .mdl-tabs__tab-bar
选择器。
.mdl-tabs__tab-bar {
justify-content: flex-start;
}
.mdl-tabs__tab-bar {
justify-content: flex-start !important;
}
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet"/>
<div class="mdl-tabs mdl-js-tabs mdl-js-ripple-effect">
<div class="mdl-tabs__tab-bar">
<a href="#starks-panel" class="mdl-tabs__tab is-active">Starks</a>
<a href="#lannisters-panel" class="mdl-tabs__tab">Lannisters</a>
<a href="#targaryens-panel" class="mdl-tabs__tab">Targaryens</a>
</div>
<div class="mdl-tabs__panel is-active" id="starks-panel">
<ul>
<li>Eddard</li>
<li>Catelyn</li>
<li>Robb</li>
<li>Sansa</li>
<li>Brandon</li>
<li>Arya</li>
<li>Rickon</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="lannisters-panel">
<ul>
<li>Tywin</li>
<li>Cersei</li>
<li>Jamie</li>
<li>Tyrion</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="targaryens-panel">
<ul>
<li>Viserys</li>
<li>Daenerys</li>
</ul>
</div>
</div>
标签栏的另一个位置是在导航中。这是在这种情况下居中的示例。解决方案与另一种情况相同,将 justify-content: center
应用于 .mdl-layout__tab-bar
选择器。
.mdl-layout__tab-bar {
justify-content: center;
}
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet"/>
<div class="mdl-layout mdl-js-layout mdl-layout--fixed-header">
<header class="mdl-layout__header">
<div class="mdl-layout__header-row">
<!-- Title -->
<span class="mdl-layout-title">Title</span>
</div>
<!-- Tabs -->
<div class="mdl-layout__tab-bar mdl-js-ripple-effect">
<a href="#scroll-tab-1" class="mdl-layout__tab is-active">Tab 1</a>
<a href="#scroll-tab-2" class="mdl-layout__tab">Tab 2</a>
<a href="#scroll-tab-3" class="mdl-layout__tab">Tab 3</a>
<a href="#scroll-tab-4" class="mdl-layout__tab">Tab 4</a>
<a href="#scroll-tab-5" class="mdl-layout__tab">Tab 5</a>
<a href="#scroll-tab-6" class="mdl-layout__tab">Tab 6</a>
</div>
</header>
<div class="mdl-layout__drawer">
<span class="mdl-layout-title">Title</span>
</div>
<main class="mdl-layout__content">
<section class="mdl-layout__tab-panel is-active" id="scroll-tab-1">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-2">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-3">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-4">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-5">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-6">
<div class="page-content"><!-- Your content goes here --></div>
</section>
</main>
</div>
Material 设计指南指定了一个居中的标签栏 (https://material.io/guidelines/components/tabs.html)。在 MDL 中是否有一个 class。如果没有,我如何使用 CSS 实现此目的?
默认情况下 MDL Tab Bar (v.1.3.0) 会居中,像这样:
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet" />
<div class="mdl-tabs mdl-js-tabs mdl-js-ripple-effect">
<div class="mdl-tabs__tab-bar">
<a href="#starks-panel" class="mdl-tabs__tab is-active">Starks</a>
<a href="#lannisters-panel" class="mdl-tabs__tab">Lannisters</a>
<a href="#targaryens-panel" class="mdl-tabs__tab">Targaryens</a>
</div>
<div class="mdl-tabs__panel is-active" id="starks-panel">
<ul>
<li>Eddard</li>
<li>Catelyn</li>
<li>Robb</li>
<li>Sansa</li>
<li>Brandon</li>
<li>Arya</li>
<li>Rickon</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="lannisters-panel">
<ul>
<li>Tywin</li>
<li>Cersei</li>
<li>Jamie</li>
<li>Tyrion</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="targaryens-panel">
<ul>
<li>Viserys</li>
<li>Daenerys</li>
</ul>
</div>
</div>
这是通过 .mdl-tabs__tab-bar {justify-content: center;}
如果您想左(或右)对齐标签栏,您可以将 justify-content: flex-start
或 justify-content: flex-end
添加到 .mdl-tabs__tab-bar
选择器。
.mdl-tabs__tab-bar {
justify-content: flex-start;
}
.mdl-tabs__tab-bar {
justify-content: flex-start !important;
}
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet"/>
<div class="mdl-tabs mdl-js-tabs mdl-js-ripple-effect">
<div class="mdl-tabs__tab-bar">
<a href="#starks-panel" class="mdl-tabs__tab is-active">Starks</a>
<a href="#lannisters-panel" class="mdl-tabs__tab">Lannisters</a>
<a href="#targaryens-panel" class="mdl-tabs__tab">Targaryens</a>
</div>
<div class="mdl-tabs__panel is-active" id="starks-panel">
<ul>
<li>Eddard</li>
<li>Catelyn</li>
<li>Robb</li>
<li>Sansa</li>
<li>Brandon</li>
<li>Arya</li>
<li>Rickon</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="lannisters-panel">
<ul>
<li>Tywin</li>
<li>Cersei</li>
<li>Jamie</li>
<li>Tyrion</li>
</ul>
</div>
<div class="mdl-tabs__panel" id="targaryens-panel">
<ul>
<li>Viserys</li>
<li>Daenerys</li>
</ul>
</div>
</div>
标签栏的另一个位置是在导航中。这是在这种情况下居中的示例。解决方案与另一种情况相同,将 justify-content: center
应用于 .mdl-layout__tab-bar
选择器。
.mdl-layout__tab-bar {
justify-content: center;
}
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css" rel="stylesheet"/>
<div class="mdl-layout mdl-js-layout mdl-layout--fixed-header">
<header class="mdl-layout__header">
<div class="mdl-layout__header-row">
<!-- Title -->
<span class="mdl-layout-title">Title</span>
</div>
<!-- Tabs -->
<div class="mdl-layout__tab-bar mdl-js-ripple-effect">
<a href="#scroll-tab-1" class="mdl-layout__tab is-active">Tab 1</a>
<a href="#scroll-tab-2" class="mdl-layout__tab">Tab 2</a>
<a href="#scroll-tab-3" class="mdl-layout__tab">Tab 3</a>
<a href="#scroll-tab-4" class="mdl-layout__tab">Tab 4</a>
<a href="#scroll-tab-5" class="mdl-layout__tab">Tab 5</a>
<a href="#scroll-tab-6" class="mdl-layout__tab">Tab 6</a>
</div>
</header>
<div class="mdl-layout__drawer">
<span class="mdl-layout-title">Title</span>
</div>
<main class="mdl-layout__content">
<section class="mdl-layout__tab-panel is-active" id="scroll-tab-1">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-2">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-3">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-4">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-5">
<div class="page-content"><!-- Your content goes here --></div>
</section>
<section class="mdl-layout__tab-panel" id="scroll-tab-6">
<div class="page-content"><!-- Your content goes here --></div>
</section>
</main>
</div>