framework7教程

Framework7 手风琴

说明

手风琴是一个图形控制元素,显示为项目的堆叠列表。每个手风琴都可以 展开拉伸以显示与该手风琴相关的内容。

可折叠布局

当您使用单个单独的可折叠元素时,您需要省略 accordion-list 包装元素。
以下是可折叠布局的结构-
<!--Single collapsible element------>
<div class = "accordion-item">
   <div class = "accordion-item-toggle"></div>
   <div class = "accordion-item-content"></div>
</div>
<!--Separate collapsible element-->
<div class = "accordion-item">
   <div class = "accordion-item-toggle"></div>
   <div class = "accordion-item-content"></div>
</div>
以下类用于 Framework7 中的手风琴-
S.No 类和描述
1
accordion-list
是一个可选类,包含一组手风琴项目列表。
2
accordion-item
这是单手风琴项目的必修课。
3
accordion-item-toggle
它是用于扩展手风琴项目内容的必需类。
4
accordion-item-content
这是隐藏的手风琴项目内容的必需类。
5
accordion-item-expanded
这是一个单独的扩展手风琴项目。

手风琴 JavaScript API

JavaScript API 方法用于以编程方式打开和关闭手风琴。
它包含以下 JavaScript API 方法-
myApp.accordionOpen(item)-用于打开手风琴。 myApp.accordionClose(item)-用于关闭手风琴。 myApp.accordionToggle(item)-用于切换手风琴。
所有方法都包含名为 item 的参数,它是手风琴项的 HTML 或string元素。

手风琴活动

Accordion 包含四个事件,如下表所列-
S.No 事件 目标和描述
1 打开
Accordion item
当你打开一个动画时,这个事件会被触发。
2 已开
Accordion item
当一个动画的打开完成时,这个事件会被触发。
3 关闭
Accordion item
当你关闭一个动画时,这个事件会被触发。
4 关闭
Accordion item
当动画关闭完成时,将触发此事件。

手风琴列表视图

在手风琴列表视图中,您可以使用 item-link 元素代替 accordion-toggle
<div class = "list-block accordion-list">
   <ul>
      <li class = "accordion-item">
         <a href = "" class = "item-link item-content">
            <div class = "item-inner">
               <div class = "item-title">1st Item</div>
            </div>
         </a>
         <div class = "accordion-item-content">Content for 1st Item...</div>
      </li>
      
      <li class = "accordion-item">
         <a href = "" class = "item-link item-content">
            <div class = "item-inner">
               <div class = "item-title">2nd Item</div>
            </div>
         </a>
         <div class = "accordion-item-content">Content for 2nd Item...</div>
      </li>
   </ul>
</div>

示例

以下示例演示了在 Framework7 中使用手风琴-
<!DOCTYPE html>
<html>
   <head>
      <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no, minimal-ui">
      <meta name="apple-mobile-web-app-capable" content="yes">
      <meta name="apple-mobile-web-app-status-bar-style" content="black">
      <title>Accordion</title>
      <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.min.css">
      <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.colors.min.css">
   </head>
   <body>
      <div class="views">
         <div class="view view-main">
            <div class="pages">
               <div data-page="home" class="page navbar-fixed">
                  <div class="navbar">
                     <div class="navbar-inner">
                        <div class="left"> </div>
                        <div class="center">Accordion</div>
                        <div class="right"> </div>
                     </div>
                  </div>
                  <div class="page-content">
                     <div class="content-block-title">List of Programming Lagauges</div>
                     <div class="list-block accordion-list">
                        <ul>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">C</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p>C is a general-purpose, procedural, imperative computer programming language developed in 1972 by Dennis M. Ritchie at the Bell Telephone Laboratories to develop the UNIX operating system. C is the most widely used computer language. It keeps fluctuating at number one scale of popularity along with Java programming language, which is also equally popular and most widely used among modern software programmers.</p>
                                 </div>
                              </div>
                           </li>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">C++</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p>C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
                                       this reference will take you through simple and practical approach while learning C++ Programming language.
                                    </p>
                                 </div>
                              </div>
                           </li>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">Java</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p>Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. this tutorial gives a complete understanding of Java.
                                       this reference will take you through simple and practical approach while learning Java Programming language.
                                    </p>
                                 </div>
                              </div>
                           </li>
                        </ul>
                     </div>
                     <div class="content-block-title">Separate Collapsibles</div>
                     <div class="list-block">
                        <ul>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">C</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p >C is a general-purpose, procedural, imperative computer programming language developed in 1972 by Dennis M. Ritchie at the Bell Telephone Laboratories to develop the UNIX operating system. C is the most widely used computer language. It keeps fluctuating at number one scale of popularity along with Java programming language, which is also equally popular and most widely used among modern software programmers.</p>
                                 </div>
                              </div>
                           </li>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">C++</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p>C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
                                       this reference will take you through simple and practical approach while learning C++ Programming language.
                                    </p>
                                 </div>
                              </div>
                           </li>
                           <li class="accordion-item">
                              <a href="#" class="item-content item-link">
                                 <div class="item-inner">
                                    <div class="item-title">Java</div>
                                 </div>
                              </a>
                              <div class="accordion-item-content">
                                 <div class="content-block">
                                    <p>Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. this tutorial gives a complete understanding of Java.
                                       this reference will take you through simple and practical approach while learning Java Programming language.
                                    </p>
                                 </div>
                              </div>
                           </li>
                        </ul>
                     </div>
                     <div class="content-block-title">Custom Accordion</div>
                     <div class="content-block accordion-list custom-accordion">
                        <div class="accordion-item">
                           <div class="accordion-item-toggle"><i class="icon icon-plus">+</i><i class="icon icon-minus">-</i><span>C</span></div>
                           <div class="accordion-item-content">
                              <p>C is a general-purpose, procedural, imperative computer programming language developed in 1972 by Dennis M. Ritchie at the Bell Telephone Laboratories to develop the UNIX operating system. C is the most widely used computer language. It keeps fluctuating at number one scale of popularity along with Java programming language, which is also equally popular and most widely used among modern software programmers.</p>
                           </div>
                        </div>
                        <div class="accordion-item">
                           <div class="accordion-item-toggle"><i class="icon icon-plus">+</i><i class="icon icon-minus">-</i><span>C++</span></div>
                           <div class="accordion-item-content">
                              <p>C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
                                 this reference will take you through simple and practical approach while learning C++ Programming language.
                              </p>
                           </div>
                        </div>
                        <div class="accordion-item">
                           <div class="accordion-item-toggle"><i class="icon icon-plus">+</i><i class="icon icon-minus">-</i><span>Java</span></div>
                           <div class="accordion-item-content">
                              <p>Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. this tutorial gives a complete understanding of Java.
                                 this reference will take you through simple and practical approach while learning Java Programming language.
                              </p>
                           </div>
                        </div>
                     </div>
                  </div>
               </div>
            </div>
         </div>
      </div>
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/js/framework7.min.js"></script>
      <style>.custom-accordion{padding-left:0;padding-right:0;}.custom-accordion .accordion-item-toggle{padding:0px 15px;height:44px;line-height:44px;font-size:17px;color:#000;border-bottom:1px solid rgba(0,0,0,0.15);cursor:pointer;}.custom-accordion .accordion-item-toggle:active{background:rgba(0,0,0,0.15);}.custom-accordion .accordion-item-toggle span{display:inline-block;margin-left:15px;}.custom-accordion .accordion-item:last-child .accordion-item-toggle{border-bottom:none;}.custom-accordion .icon-plus,.custom-accordion .icon-minus{display:inline-block;width:22px;height:22px;border:1px solid #000;border-radius:100%;line-height:20px;text-align:center;}.custom-accordion .icon-minus{display:none;}.custom-accordion .accordion-item-expanded .icon-minus{display:inline-block;}.custom-accordion .accordion-item-expanded .icon-plus{display:none;}.custom-accordion .accordion-item-content{padding:0px 15px;}</style>
      <script>
         // here initialize the app
         var myApp = new Framework7();
         // if your using custom DOM library, then save it to $ variable
         var $ = Dom7;
         // Add the view
         var mainView = myApp.addView('.view-main', {
            // enable the dynamic navbar for this view:
            dynamicNavbar: true
         });
      </script>
   </body>
</html>

输出

让我们执行以下步骤来看看上面给出的代码是如何工作的-
将上述给定的 HTML 代码保存为服务器根文件夹中的 accordion.html 文件。 将此 HTML 文件打开为 http://localhost/accordion.html,输出如下所示。 该示例提供了可折叠布局,可以展开以显示与手风琴相关的内容。
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