如何使用 Bootstrap 轮播显示上一张和下一张图片

Question

我要的效果如下图所示，是一个3张图片的轮播。

如何让 bootstrap 轮播显示不透明度为 0.7 的左右图像？

以下是我的轮播模板。

<div class="col-md-10 center-block">
    <img id="logo" src="./img/yoox_group.png" alt="yoog group" />

    <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
        <!-- Indicators -->
        <ol class="carousel-indicators">
            <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
            <li data-target="#carousel-example-generic" data-slide-to="1"></li>
            <li data-target="#carousel-example-generic" data-slide-to="2"></li>
        </ol>

        <!-- Wrapper for slides -->
        <div class="carousel-inner" role="listbox">
            <div class="item active">
                <img src="./img/carousel/carousel-001.jpg" alt="..." />
                <div class="carousel-caption">
                </div>
            </div>
            <div class="item">
                <img src="./img/carousel/carousel-002.jpg" alt="..." />
                <div class="carousel-caption">
                </div>
            </div>
            <div class="item">
                <img src="./img/carousel/carousel-003.jpg" alt="..." />
                <div class="carousel-caption">
                </div>
            </div>
        </div>
        <!-- Controls -->
        <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
            <img id="arrowleft" src="./img/arrow_left.png" />
            <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
            <img id="arrowright" src="./img/arrow_right.png" />
            <span class="sr-only">Next</span>
        </a>
    </div>
</div>

#arrowleft {
    background-color: #FFF;
    padding: 10px 8px;
    position: absolute;
    margin-left: -95px;
    top: 45%;
    z-index: 5;
    display: inline-block;
}
#arrowright {
    background-color: #FFF;
    padding: 10px 8px;
    position: absolute;
    margin-left: 67px;
    top: 45%;
    z-index: 5;
    display: inline-block;
}

Answer 1

将 this answer 扩展到另一个问题，如果您将以下 css 添加到您的代码中，它将提供您正在寻找的效果。

我们基本上必须将.carousel-inner扩展到比.carousel大，然后居中并隐藏.carousel的溢出。

为了获得不透明效果，我们扩大上一个和下一个箭头容器的大小，然后设置一个半透明的白色背景。

Bootstrap >= 3.3.0

在 Bootstrap 版本 3.3.0 there was a change in the CSS which invalidated the previous method 中。所以这是目前的方法。

(Demo)

.carousel {
    overflow: hidden;
}
.carousel-inner {
    width: 150%;
    left: -25%;
}
.carousel-inner > .item.next, 
.carousel-inner > .item.active.right {
    -webkit-transform: translate3d(33%, 0, 0);
    transform: translate3d(33%, 0, 0);
}
.carousel-inner > .item.prev, 
.carousel-inner > .item.active.left {
    -webkit-transform: translate3d(-33%, 0, 0);
    transform: translate3d(-33%, 0, 0);
}
.carousel-control.left, 
.carousel-control.right {
    background: rgba(255, 255, 255, 0.3);
    width: 25%;
}

Bootstrap < 3.3.0

(Demo)

.carousel {
    overflow: hidden;
}
.carousel-inner {
    width: 150%;
    left: -25%;
}
.carousel-inner .active.left {
    left: -33%;
}
.carousel-inner .next {
    left: 33%;
}
.carousel-inner .prev {
    left: -33%;
}
.carousel-control.left, .carousel-control.right {
    background: rgba(255, 255, 255, 0.3);
    width: 25%;
}

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