我对 twitter 引导轮播有以下需求：
- 当屏幕大于轮播时，我希望图像居中。
- 当屏幕小于轮播时，我只想看到图像的一部分。这部分图像应该居中。
- 在任何时候都不应调整图像大小或缩放
- 过渡应该有效。
我下面的示例修复了问题 1-3 .. 但它破坏了 4。如果我愿意破坏 3，我可以轻松修复 4，但这并不好。
Bootply 示例链接：http: //bootply.com/88542
HTML：
<!-- Carousel
================================================== -->
<div id="myCarousel" class="carousel slide">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img src="http://lorempixel.com/1200/600/abstract/1" height="600px" width="1200px">
<div class="container">
<div class="carousel-caption">
<h1>Bootstrap 3 Carousel Layout</h1>
<pthis is="" an="" example="" layout="" with="" carousel="" that="" uses="" the="" bootstrap="" 3="" styles.<="" small=""><p></p>
<p><a class="btn btn-lg btn-primary" href="http://getbootstrap.com">Learn More</a>
</p></pthis></div>
</div>
</div>
<div class="item">
<img src="http://lorempixel.com/1200/600/abstract/2" height="600px" width="1200px">
<div class="container">
<div class="carousel-caption">
<h1>Changes to the Grid</h1>
<p>Bootstrap 3 still features a 12-column grid, but many of the CSS class names have completely changed.</p>
<p><a class="btn btn-large btn-primary" href="#">Learn more</a></p>
</div>
</div>
</div>
<div class="item">
<img src="http://placehold.it/1200X600" height="600px" width="1200px">
<div class="container">
<div class="carousel-caption">
<h1>Percentage-based sizing</h1>
<p>With "mobile-first" there is now only one percentage-based grid.</p>
<p><a class="btn btn-large btn-primary" href="#">Browse gallery</a></p>
</div>
</div>
</div>
</div>
<!-- Controls -->
<a class="left carousel-control" href="#myCarousel" data-slide="prev">
<span class="icon-prev"></span>
</a>
<a class="right carousel-control" href="#myCarousel" data-slide="next">
<span class="icon-next"></span>
</a>
</div>
<!-- /.carousel -->
CSS
/* BOOTSTRAP 3.x GLOBAL STYLES
-------------------------------------------------- */
body {
padding-bottom: 40px;
color: #5a5a5a;
}
/* CUSTOMIZE THE CAROUSEL
-------------------------------------------------- */
/* Carousel base class */
.carousel {
margin-bottom: 60px;
}
/* Since positioning the image, we need to help out the caption */
.carousel-caption {
z-index: 10;
}
/* Declare heights because of positioning of img element */
.carousel .item {
height: 600px;
width: 1200px;
background-color:#bbb;
left: 50%;
margin-left: -600px;
}
.carousel img {
position: absolute;
top: 0;
}
/* RESPONSIVE CSS
-------------------------------------------------- */
@media (min-width: 768px) {
/* Remve the edge padding needed for mobile */
.marketing {
padding-left: 0;
padding-right: 0;
}
/* Navbar positioning foo */
.navbar-wrapper {
margin-top: 20px;
margin-bottom: -90px; /* Negative margin to pull up carousel. 90px is roughly margins and height of navbar. */
}
/* The navbar becomes detached from the top, so we round the corners */
.navbar-wrapper .navbar {
border-radius: 4px;
}
/* Bump up size of carousel content */
.carousel-caption p {
margin-bottom: 20px;
font-size: 21px;
line-height: 1.4;
}
}