Home Web Front-end HTML Tutorial Bootstrap_Javascript_选项卡_html/css_WEB-ITnose

Bootstrap_Javascript_选项卡_html/css_WEB-ITnose

Jun 24, 2016 am 11:32 AM

  选项卡Tabs是Web中一种非常常用的功能。用户点击或悬浮对应的菜单项,能切换出对应的内容。

一 . 结构分析

Bootstrap框架中的选项卡主要有两部分内容组成:

  • 选项卡组件(也就是菜单组件),对应的是 Bootstrap的 nav-tabs
  • 底部可以切换的选项卡面板,在 Bootstrap 中通常 tab-pane 来表示
  •  

    二.  data-toggle触发选项卡(无需JS)

      声明式触发选项卡需要满足以下几点要求:


      1、选项卡导航链接中要设置 data-toggle="tab"

      2、并且设置 data-target="对应内容面板的选择符(一般是ID)";

      3、面板内容统一放在 tab-content 容器中,而且每个内容面板 tab-pane 都需要设置一个独立的选择符(最好是ID)与选项卡中的 data-target 或 href 的值匹配。

    <!-- 选项卡组件(菜单项nav-tabs)--><ul id="myTab" class="nav nav-tabs" role="tablist">  <li class="active"><a href="#bulletin" role="tab" data-toggle="tab">公告</a></li>  <li><a href="#rule" role="tab" data-toggle="tab">规则</a></li>  <li><a href="#forum" role="tab" data-toggle="tab">论坛</a></li>  <li><a href="#security" role="tab" data-toggle="tab">安全</a></li>  <li><a href="#welfare" role="tab" data-toggle="tab">公益</a></li></ul><!-- 选项卡面板 --><div id="myTabContent" class="tab-content">  <div class="tab-pane active" id="bulletin">公告内容面板</div>  <div class="tab-pane" id="rule">规则内容面板</div>  <div class="tab-pane" id="forum">论坛内容面板</div>  <div class="tab-pane" id="security">安全内容面板</div>  <div class="tab-pane" id="welfare">公益内容面板</div></div>
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    三 . JavaScript触发选项卡

      调用方法:

      在每个链接的单击事件中调用tab("show")方法,显示对应的标签面板内容.

    HTML:

    <ul id="myTab" class="nav nav-pills" role="tablist">  <li class="active"><a href="#bulletin" role="tab" data-toggle="pill">公告</a></li>  <li><a href="#rule" role="tab" >规则</a></li>  <li><a href="#forum" role="tab" >论坛</a></li>  <li><a href="#security" role="tab" >安全</a></li>  <li><a href="#welfare" role="tab" >公益</a></li></ul><!-- 选项卡面板 --><div id="myTabContent" class="tab-content">  <div class="tab-pane fade in active" id="bulletin">公告内容面板</div>  <div class="tab-pane fade" id="rule">规则内容面板</div>  <div class="tab-pane fade" id="forum">论坛内容面板</div>  <div class="tab-pane fade" id="security">安全内容面板</div>  <div class="tab-pane fade" id="welfare">公益内容面板</div></div>
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    JS:

    <script>  $(function(){    $("#myTab a").click(function(e){      e.preventDefault();      $(this).tab("show");    });  })</script>
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    四 . 选项卡样式

      为了让面板的隐藏与显示在切换的过程效果更流畅,可以在面板中添加类名 fade,让其产生渐入的效果。

      在添加 fade 样式时,最初的默认显示的内容面板一定要记得加上 in 类名,不然其内容用户无法看到。

    <div id="myTabContent" class="tab-content">    <div class="tab-pane fade in active" id="bulletin">公告内容面板</div>    <div class="tab-pane fade" id="rule">规则内容面板</div>    <div class="tab-pane fade" id="forum">论坛内容面板</div>    <div class="tab-pane fade" id="security">安全内容面板</div>    <div class="tab-pane fade" id="welfare">公益内容面板</div></div>
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