MDL提供了一系列CSS类来应用各种预定义的视觉和行为增强功能，并将不同类型的复选框显示为图标.下表列出了可用的类及其效果.
| Sr.No. | Class Name&描述 |
|---|---|
| 1 | mdl-icon-toggle 将标签标识为MDL组件，并且在标签元素上是必需的. |
| 2 | mdl-js-icon-toggle 将基本MDL行为设置为标签，并且在标签元素上是必需的. |
| 3 | mdl-icon-toggle__input 将基本MDL行为设置为图标切换，并且在输入元素(图标切换)上是必需的. |
| 4 | mdl-icon-toggle__label 将基本MDL行为设置为标题，并且在i元素(图标)上是必需的. |
| 5 | mdl-js-ripple-effect 设置涟漪点击效果并且是可选的;继续使用label元素，而不是输入元素(icon-toggle). |
以下示例展示了如何使用 mdl-icon-toggle 类将不同类型的复选框显示为图标.
<html> <head> <script src = "https://storage.googleapis.com/code.getmdl.io/1.0.6/material.min.js"> </script> <link rel = "stylesheet" href = "https://storage.googleapis.com/code.getmdl.io/1.0.6/material.indigo-pink.min.css"> <link rel = "stylesheet" href = "https://fonts.googleapis.com/icon?family=Material+Icons"> </head> <body> <table> <tr><td>On Icon</td><td>Off Icon</td> <td>Disabled Icon</td></tr> <tr> <td> <label class = "mdl-icon-toggle mdl-js-icon-toggle mdl-js-ripple-effect" for = "icon-toggle-1"> <input type = "checkbox" id = "icon-toggle-1" class = "mdl-icon-toggle__input" checked> <i class = "mdl-icon-toggle__label material-icons">format_bold</i> </label> </td> <td> <label class = "mdl-icon-toggle mdl-js-icon-toggle mdl-js-ripple-effect" for = "icon-toggle-2"> <input type = "checkbox" id = "icon-toggle-2" class = "mdl-icon-toggle__input"> <i class = "mdl-icon-toggle__label material-icons">format_italic</i> </label> </td> <td> <label class = "mdl-icon-toggle mdl-js-icon-toggle mdl-js-ripple-effect" for = "icon-toggle-2"> <input type = "checkbox" id = "icon-toggle-2" class = "mdl-icon-toggle__input" disabled> <i class = "mdl-icon-toggle__label material-icons">format_underline</i> </label> </td> </tr> </table> </body> </html>
验证结果.
