我使用的是最新的 Bootstrap Carousel,需要在幻灯片之间缓慢淡出(大约 5 秒)。我看了很多例子,并尝试实现这个 one .问题是幻灯片之间的淡入淡出太快(不到一秒)。我如何将其更改为更长的淡入淡出?
这是我的代码:
<div class="carousel slide" id="slideshow-carousel-1" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<!-- Slide 1 -->
<div class="item item-1 slide-image active">
<img class="img-responsive bg-item parallax" data-speed="1" data-width="1980" data-height="1485" src="~/images/slideshow/bottle1.png" alt="Slide 1 Background">
<div class="carousel-caption">
<h1 class="title">Caption 1</h1>
</div>
</div>
<!-- End Slide 1 -->
<!-- Slide 2 -->
<div class="item item-2 slide-image">
<img class="img-responsive bg-item parallax" data-speed="1" data-width="1980" data-height="1485" src="~/images/slideshow/bottle2.jpg" alt="Slide 2 Background">
<div class="carousel-caption">
<h1 class="title">Or Bottle!</h1>
</div>
</div>
<!-- End Slide 2 -->
</div>
</div>
这是 CSS:
.carousel-inner > .item {
opacity: 0;
top: 0;
left: 0;
width: 100%;
display: block;
position: absolute;
z-index: 0;
-webkit-transition: opacity 5s ease;
-o-transition: opacity 5s ease;
transition: opacity 5s ease;
-webkit-transform: translate3d(0, 0, 0) !important;
transform: translate3d(0, 0, 0) !important;
}
.carousel-inner > .item:first-of-type {
position: relative;
}
.carousel-inner > .active {
opacity: 1;
z-index: 3;
}
.carousel-inner > .next.left,
.carousel-inner > .prev.right {
-webkit-transition: opacity 0.6s ease-in-out;
-o-transition: opacity 0.6s ease-in-out;
transition: opacity 0.6s ease-in-out;
opacity: 1;
left: 0;
z-index: 2;
}
.carousel-inner > .active.left,
.carousel-inner > .active.right {
z-index: 1;
}
.carousel-control {
z-index: 4;
}
最佳答案
解决方案非常重要,正如我已故的伟大计算机科学教授曾经说过的那样。 Slick Carousel (Bootstrap Carousel 的衍生物)在 body 标签上使用 class="sld-transition-2"
(三个可用类之一)来设置 carousel 的过渡。这与我试图设置的淡入淡出过渡相冲突。所以它被删除了。
提供的CSS3解决方案here来自这个 Stackoverflow answer @transportedman 是决定性因素。我根据我们的要求对其进行了一些修改,并将其放在最后一个要为站点加载的 CSS 文件中(以覆盖它之前的所有内容):
/*
inspired from http://codepen.io/Rowno/pen/Afykb
https://stackoverflow.com/questions/26770055/bootstrap-carousel-fade-no-longer-working-with-maxcdn-3-3-bootstrap-min-css
*/
.carousel-fade .carousel-inner .item {
opacity: 0;
transition-property: opacity;
transition-duration: 4s;
transition-timing-function:linear;
}
.carousel-fade .carousel-inner .active {
opacity: 1;
}
.carousel-fade .carousel-inner .active.left,
.carousel-fade .carousel-inner .active.right {
left: 0;
opacity: 0;
z-index: 1;
}
.carousel-fade .carousel-inner .next.left,
.carousel-fade .carousel-inner .prev.right {
opacity: 1;
}
.carousel-fade .carousel-control {
z-index: 2;
}
/*
WHAT IS NEW IN 3.3: "Added transforms to improve carousel performance in modern browsers."
now override the 3.3 new styles for modern browsers & apply opacity
*/
@media all and (transform-3d), (-webkit-transform-3d) {
.carousel-fade .carousel-inner > .item.next,
.carousel-fade .carousel-inner > .item.active.right {
opacity: 0;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.carousel-fade .carousel-inner > .item.prev,
.carousel-fade .carousel-inner > .item.active.left {
opacity: 0;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.carousel-fade .carousel-inner > .item.next.left,
.carousel-fade .carousel-inner > .item.prev.right,
.carousel-fade .carousel-inner > .item.active {
opacity: 1;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
}
最后但并非最不重要的是,修改轮播DIV标签使其具有data-interval
属性,该属性大于上述CSS3中设置的transition-duration
:
<div class="carousel slide carousel-fade" id="slideshow-carousel-1" data-ride="carousel" data-interval="7000">
.....
</div>
希望这对遇到类似问题的其他人有所帮助。
关于css - Bootstrap Carousel - 如何在幻灯片之间慢慢淡入淡出,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29169823/