Bootstrap - 手风琴


本章将讨论 Bootstrap 手风琴。手风琴垂直折叠元素,通过类更改显示和隐藏。使用折叠 JavaScript 插件创建垂直折叠的手风琴。

怎么运行的

为了折叠,手风琴内部使用了折叠。使用.open类到.accordion元素来渲染展开的手风琴。

基本示例

要展开和折叠内容,请单击下面的手风琴。

您可以使用编辑和运行选项编辑并尝试运行此代码。

<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap - Accordion</title> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"></script> <style> </style> </head> <body> <div class="accordion" id="basicAccordion"> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#firstCollapse" aria-expanded="true" aria-controls="firstCollapse"> Bootstrap - Accordian </button> </h2> <div id="firstCollapse" class="accordion-collapse collapse show" data-bs-parent="#basicAccordion"> <div class="accordion-body"> The <b>accordion</b> collapses elements vertically, shown and hidden by class change. </div> </div> </div> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#secondCollapse" aria-expanded="false" aria-controls="secondCollapse"> Bootstrap - Buttons </button> </h2> <div id="secondCollapse" class="accordion-collapse collapse" data-bs-parent="#basicAccordion"> <div class="accordion-body"> You can use Bootstrap’s custom button styles for actions in forms, dialogs and many more. </div> </div> </div> </div> </body> </html>

冲洗

要渲染边到边的手风琴,请使用.accordion-flush删除边框和圆角。

您可以使用编辑和运行选项编辑并尝试运行此代码。

<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap - Accordion</title> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"></script> <style> </style> </head> <body> <div class="accordion accordion-flush" id="flushAccordion"> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#flushCollapseOne" aria-expanded="false" aria-controls="flushCollapseOne"> Bootstrap - Accordian </button> </h2> <div id="flushCollapseOne" class="accordion-collapse collapse" data-bs-parent="#flushAccordion"> <div class="accordion-body"> The <b>accordion</b> collapses elements vertically, shown and hidden by class change. </div> </div> </div> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#flushCollapseTwo" aria-expanded="false" aria-controls="flushCollapseTwo"> Bootstrap - Buttons </button> </h2> <div id="flushCollapseTwo" class="accordion-collapse collapse" data-bs-parent="#flushAccordion"> <div class="accordion-body"> You can use Bootstrap’s custom button styles for actions in forms, dialogs and many more. </div> </div> </div> </div> </div> </body> </html>

始终开放

要在打开另一个项目时保持折叠项目打开,请从每个.accordion-collapse中删除data-bs-parent属性。

您可以使用编辑和运行选项编辑并尝试运行此代码。

<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap - Accordion</title> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"></script> <style> </style> </head> <body> <div class="accordion" id="alwaysOpenAccordion"> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#firstCollpaseofAlwaysOpen" aria-expanded="true" aria-controls="firstCollpaseofAlwaysOpen"> Bootstrap - Accordian </button> </h2> <div id="firstCollpaseofAlwaysOpen" class="accordion-collapse collapse show"> <div class="accordion-body"> The <b>accordion</b> collapses elements vertically, shown and hidden by class change. </div> </div> </div> <div class="accordion-item"> <h2 class="accordion-header"> <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#secondCollpaseofAlwaysOpen" aria-expanded="false" aria-controls="secondCollpaseofAlwaysOpen"> Bootstrap - Buttons </button> </h2> <div id="secondCollpaseofAlwaysOpen" class="accordion-collapse collapse"> <div class="accordion-body"> The <b>accordion</b> collapses elements vertically, shown and hidden by class change. </div> </div> </div> </div> </body> </html>

无障碍

有关详细信息,请参阅折叠可访问性部分