1，Bootstrap 模态框插件Bootbox垂直居中样式：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap </title> <!--[if lt IE 9]> <script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.js"></script> <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.js"></script> <![endif]--> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script> <script src="https://cdn.bootcss.com/bootbox.js/4.4.0/bootbox.js"></script> <style> /* 模态框居中样式 */ .bootbox-container { position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 1049; overflow-y: auto; } .bootbox-container:empty { position: static; } .modal { display: table; width: 600px; height: 100%; margin: 0 auto; } .modal-dialog { display: table-cell; vertical-align: middle; } /* //模态框居中样式 */ </style> <script> $(function () { /*设置bootbox*/ bootbox.setLocale("zh_CN"); bootbox.setDefaults({container: '.bootbox-container'}); /*使用bootbox*/ bootbox.dialog({message: '<img src="https://www.cnblogs.com/images/logo_small.gif"/>'}).width(155); }); </script> </head> <body> <h1>Hello, world!</h1> <!--bootbox容器--> <div class="bootbox-container"></div> </body> </html>
2，Bootstrap模态框Modal垂直居中样式：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap </title> <!--[if lt IE 9]> <script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.js"></script> <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.js"></script> <![endif]--> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.js"></script> <script src="https://cdn.bootcss.com/bootbox.js/4.4.0/bootbox.js"></script> <style> /* 模态框居中样式 */ .modal { display: table; width: 600px; height: 100%; margin: 0 auto; } .modal-dialog { display: table-cell; vertical-align: middle; } /* //模态框居中样式 */ </style> </head> <body> <h2>创建模态框（Modal）</h2> <!-- 按钮触发模态框 --> <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">开始演示模态框</button> <!-- 模态框（Modal） --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button> <h4 class="modal-title" id="myModalLabel">模态框（Modal）标题</h4> </div> <div class="modal-body"> <p>在这里添加一些文本</p> <p>在这里添加一些文本</p> <p>在这里添加一些文本</p> </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button> <button type="button" class="btn btn-primary">提交更改</button> </div> </div> <!-- /.modal-content --> </div> <!-- /.modal --> </div> </body> </html>