程序如下:
代码如下:
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>CN_TEST1</title>
- <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-
- <!-- bootstrap css核心文件-->
- <link rel="stylesheet" href="bootstrap-4.4.1-dist/css/bootstrap.min.css">
- <!-- bootstrap使用到了jquery,需要提前引用-->
- <script src="js/jquery-3.5.1.min.js"></script>
- <!-- 弹窗、提示、下拉菜单-->
- <script src="bootstrap-4.4.1-dist/js/bootstrap.bundle.js"></script>
- <!-- bootstrap核心文件-->
- <script src="bootstrap-4.4.1-dist/js/bootstrap.min.js"></script>
-
- </head>
- <body>
- <div class="container-fluid">
-
- <div class="spinner-border text-muted"></div>
- <div class="spinner-border text-primary"></div>
- <div class="spinner-border text-success"></div>
- <div class="spinner-border text-info"></div>
- <div class="spinner-border text-warning"></div>
- <div class="spinner-border text-danger"></div>
- <div class="spinner-border text-secondary"></div>
- <div class="spinner-border text-dark"></div>
- <div class="spinner-border text-light"></div>
-
- <br/>
-
- <div class="spinner-grow text-muted"></div>
- <div class="spinner-grow text-primary"></div>
- <div class="spinner-grow text-success"></div>
- <div class="spinner-grow text-info"></div>
- <div class="spinner-grow text-warning"></div>
- <div class="spinner-grow text-danger"></div>
- <div class="spinner-grow text-secondary"></div>
- <div class="spinner-grow text-dark"></div>
- <div class="spinner-grow text-light"></div>
-
- <br/>
-
- <button class="btn btn-primary">
- <span class="spinner-border spinner-border-sm"></span>
- </button>
-
- <button class="btn btn-primary">
- <span class="spinner-border spinner-border-sm"></span>
- Loading...
- </button>
-
- <button class="btn btn-primary" disabled>
- <span class="spinner-border spinner-border-sm"></span>
- Loading...
- </button>
-
- <button class="btn btn-primary" disabled>
- <span class="spinner-grow spinner-grow-sm"></span>
- Loading...
- </button>
-
- </div>
- </body>
- </html>
解释:
①如果只要图标可以直接到div中的class中放spinner-xx(spinner-grow和spinner-border);
②如果要放到button中,可以套一个button,再到里面放一个span;