我已经在单击按钮时显示了右侧栏，但是以某种方式在单击按钮时对话框没有出现
.modal.left .modal-dialog,
.modal.right .modal-dialog {
position: fixed;
margin: auto;
width: 320px;
height: 100%;
-webkit-transform: translate3d(0%, 0, 0);
-ms-transform: translate3d(0%, 0, 0);
-o-transform: translate3d(0%, 0, 0);
transform: translate3d(0%, 0, 0);
}
.modal.left .modal-content,
.modal.right .modal-content {
height: 100%;
overflow-y: auto;
}
.modal.left .modal-body,
.modal.right .modal-body {
padding: 15px 15px 80px;
}
/*Left*/
.modal.left.fade .modal-dialog{
left: -320px;
-webkit-transition: opacity 0.3s linear, left 0.3s ease-out;
-moz-transition: opacity 0.3s linear, left 0.3s ease-out;
-o-transition: opacity 0.3s linear, left 0.3s ease-out;
transition: opacity 0.3s linear, left 0.3s ease-out;
}
.modal.left.fade.in .modal-dialog{
left: 0;
}
/*Right*/
.modal.right.fade .modal-dialog {
right: -320px;
-webkit-transition: opacity 0.3s linear, right 0.3s ease-out;
-moz-transition: opacity 0.3s linear, right 0.3s ease-out;
-o-transition: opacity 0.3s linear, right 0.3s ease-out;
transition: opacity 0.3s linear, right 0.3s ease-out;
}
.modal.right.fade.in .modal-dialog {
right: 0;
}
/* ----- MODAL STYLE ----- */
.modal-content {
border-radius: 0;
border: none;
}
.modal-header {
border-bottom-color: #EEEEEE;
background-color: #FAFAFA;
} <html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</head>
<body>
<button type="button" class="btn btn-demo" data-toggle="modal" data-target="#myModal2">
Right Sidebar Modal
</button>
<div class="modal right fade" id="myModal2" tabindex="-1" role="dialog" aria-labelledby="myModalLabel2">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel2">Right Sidebar</h4>
</div>
<div class="modal-body">
<p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</p>
</div>
</div><!-- modal-content -->
</div><!-- modal-dialog -->
</div><!-- modal -->
</body>
</html>
我添加了一些CSS和一些html结构 在模态的点击上应该从右边打开，但是它消失了，在点击时它并没有显示。 我添加了一些CSS和一些HTML结构 在模态的点击上应该从右边打开，但是它消失了，在点击时它并没有显示。 我添加了一些CSS和一些HTML结构 在模态的点击上应该从右边打开，但是它消失了，在点击时它并没有显示。 我添加了一些CSS和一些HTML结构 单击模态时，应该从右侧打开它，但是它消失了，单击时它不显示。
答案 0 :(得分：0)
将您的Class目标.modal.right.fade.in .modal-dialog更改为.modal-open .modal.right .modal-dialog
.modal-open .modal.right .modal-dialog {
right: 0;
}
OR
将class名称in更改为show
.modal.right.fade.show .modal-dialog {
right: 0;
}
.modal.left .modal-dialog,
.modal.right .modal-dialog {
position: fixed;
margin: auto;
width: 320px;
height: 100%;
-webkit-transform: translate3d(0%, 0, 0);
-ms-transform: translate3d(0%, 0, 0);
-o-transform: translate3d(0%, 0, 0);
transform: translate3d(0%, 0, 0);
}
.modal.left .modal-content,
.modal.right .modal-content {
height: 100%;
overflow-y: auto;
}
.modal.left .modal-body,
.modal.right .modal-body {
padding: 15px 15px 80px;
}
/*Left*/
.modal.left.fade .modal-dialog{
left: -320px;
-webkit-transition: opacity 0.3s linear, left 0.3s ease-out;
-moz-transition: opacity 0.3s linear, left 0.3s ease-out;
-o-transition: opacity 0.3s linear, left 0.3s ease-out;
transition: opacity 0.3s linear, left 0.3s ease-out;
}
.modal-open .modal.left .modal-dialog{
left: 0;
}
/*Right*/
.modal.right.fade .modal-dialog {
right: -320px;
-webkit-transition: opacity 0.3s linear, right 0.3s ease-out;
-moz-transition: opacity 0.3s linear, right 0.3s ease-out;
-o-transition: opacity 0.3s linear, right 0.3s ease-out;
transition: opacity 0.3s linear, right 0.3s ease-out;
}
.modal-open .modal.right .modal-dialog {
right: 0;
}
/* ----- MODAL STYLE ----- */
.modal-content {
border-radius: 0;
border: none;
}
.modal-header {
border-bottom-color: #EEEEEE;
background-color: #FAFAFA;
}<html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</head>
<body>
<button type="button" class="btn btn-demo" data-toggle="modal" data-target="#myModal2">
Right Sidebar Modal
</button>
<div class="modal right fade" id="myModal2" tabindex="-1" role="dialog" aria-labelledby="myModalLabel2">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel2">Right Sidebar</h4>
</div>
<div class="modal-body">
<p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</p>
</div>
</div><!-- modal-content -->
</div><!-- modal-dialog -->
</div><!-- modal -->
</body>
</html>
答案 1 :(得分：0)
.modal.right.fade.in .modal-dialog {right：0;}对该类型的更改正常工作
.modal-open .modal.right.fade .modal-dialog {right: 0}
.modal-open .modal.right.fade .modal-dialog {right: 0}
.modal.left .modal-dialog,
.modal.right .modal-dialog {
position: fixed;
margin: auto;
width: 320px;
height: 100%;
-webkit-transform: translate3d(0%, 0, 0);
-ms-transform: translate3d(0%, 0, 0);
-o-transform: translate3d(0%, 0, 0);
transform: translate3d(0%, 0, 0);
}
.modal.left .modal-content,
.modal.right .modal-content {
height: 100%;
overflow-y: auto;
}
.modal.left .modal-body,
.modal.right .modal-body {
padding: 15px 15px 80px;
}
/*Left*/
.modal.left.fade .modal-dialog{
left: -320px;
-webkit-transition: opacity 0.3s linear, left 0.3s ease-out;
-moz-transition: opacity 0.3s linear, left 0.3s ease-out;
-o-transition: opacity 0.3s linear, left 0.3s ease-out;
transition: opacity 0.3s linear, left 0.3s ease-out;
}
.modal.left.fade.in .modal-dialog{
left: 0;
}
/*Right*/
.modal.right.fade .modal-dialog {
right: -320px;
-webkit-transition: opacity 0.3s linear, right 0.3s ease-out;
-moz-transition: opacity 0.3s linear, right 0.3s ease-out;
-o-transition: opacity 0.3s linear, right 0.3s ease-out;
transition: opacity 0.3s linear, right 0.3s ease-out;
}
.modal.right.fade.in .modal-dialog {
right: 0;
}
/* ----- MODAL STYLE ----- */
.modal-content {
border-radius: 0;
border: none;
}
.modal-header {
border-bottom-color: #EEEEEE;
background-color: #FAFAFA;
} <html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</head>
<body>
<button type="button" class="btn btn-demo" data-toggle="modal" data-target="#myModal2">
Right Sidebar Modal
</button>
<div class="modal right fade" id="myModal2" tabindex="-1" role="dialog" aria-labelledby="myModalLabel2">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel2">Right Sidebar</h4>
</div>
<div class="modal-body">
<p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</p>
</div>
</div><!-- modal-content -->
</div><!-- modal-dialog -->
</div><!-- modal -->
</body>
</html>