Bootstrap Testimonial Carousel

时间：2016-12-13 10:03:00

标签： javascript css twitter-bootstrap

请看下一个链接： http://bootsnipp.com/snippets/ORaWE

我想做的事情（并且不知道如何实现它）是将活跃的头像始终放在中心位置。例如，如果第3个头像处于活动状态，则第3个头像将位于中心（位置2），第1个头像将位于第3个位置，第2个头像将位于第1个位置。

这是一个小图形演示：

（想象这是3个头像。绿色的当前活跃）

任何人都可以帮助我，或至少给我一个想法或方向？ ：）

2 个答案:

答案 0 :(得分：2)

要在bootstrap轮播中实现此行为，您需要使用轮播的javascript功能而不是内联data-*属性。

以下是您需要的工作示例 -

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$(document).ready(function() {
  var flag = false;
  $("#quote-carousel").on('slide.bs.carousel', function() {
    if (!flag) {
      var arr = $('ol.carousel-indicators > li');
      $($('ol.carousel-indicators')).append($('ol.carousel-indicators > li')[0]);
      $('.carousel-inner').append($('.carousel-inner > .item')[0]);
    } else {
      flag = false;
    }
  });

  $('#quote-carousel').carousel();

  $('.item-btn').click(function(obj) {
    flag = true;
    var arr = $('.item-btn');
    var index = arr.index(obj.currentTarget);
    var len = arr.length;
    var mid = Math.floor(len / 2);
    $('#quote-carousel').carousel(index);
    if (index < mid) {
      for (i = 0; i < (mid - index); i++) {
        $($('ol.carousel-indicators')).prepend($('.item-btn')[len - 1]);
        $('.carousel-inner').prepend($('.item')[len - 1]);
      }
    } else if (index > mid) {
      for (i = 0; i < (index - mid); i++) {
        $($('ol.carousel-indicators')).append($('.item-btn')[0]);
        $('.carousel-inner').append($('.item')[0]);
      }
    }
  });

  $(".left").click(function() {
    flag = true;
    var arr = $('ol.carousel-indicators > li');
    $($('ol.carousel-indicators')).prepend(arr[arr.length - 1]);
    arr = $('.carousel-inner > .item');
    $('.carousel-inner').prepend(arr[arr.length - 1]);
    $("#quote-carousel").carousel("prev");
  });
  $(".right").click(function() {
    flag = true;
    var arr = $('ol.carousel-indicators > li');
    $($('ol.carousel-indicators')).append(arr[0]);
    arr = $('.carousel-inner > .item');
    $('.carousel-inner').append(arr[0]);
    $("#quote-carousel").carousel("next");
  });
});
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/* Carousel */

#quote-carousel {
  padding: 0 10px 30px 10px;
  margin-top: 30px;
  /* Control buttons  */
  /* Previous button  */
  /* Next button  */
  /* Changes the position of the indicators */
  /* Changes the color of the indicators */
}

#quote-carousel .carousel-control {
  background: none;
  color: #CACACA;
  font-size: 2.3em;
  text-shadow: none;
  margin-top: 30px;
}

#quote-carousel .carousel-control.left {
  left: -60px;
}

#quote-carousel .carousel-control.right {
  right: -60px;
}

#quote-carousel .carousel-indicators {
  right: 50%;
  top: auto;
  bottom: 0px;
  margin-right: -19px;
}

#quote-carousel .carousel-indicators li {
  width: 50px;
  height: 50px;
  margin: 5px;
  cursor: pointer;
  border: 4px solid #CCC;
  border-radius: 50px;
  opacity: 0.4;
  overflow: hidden;
  transition: all 0.4s;
  margin-bottom: 45px;
}

#quote-carousel .carousel-indicators .active {
  background: #333333;
  width: 128px;
  height: 128px;
  border-radius: 100px;
  border-color: #f33;
  opacity: 1;
  overflow: hidden;
  margin-bottom: 5px;
}

.carousel-inner {
  min-height: 300px;
  margin-bottom: 50px;
}

.item blockquote {
  border-left: none;
  margin: 0;
}

.item blockquote p:before {
  content: "\f10d";
  font-family: 'Fontawesome';
  float: left;
  margin-right: 10px;
}
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css" rel="stylesheet"/>

<div class="container">
  <div class="row">
    <div class="col-md-12" data-wow-delay="0.2s">
      <div class="carousel slide" id="quote-carousel">
        <!-- Bottom Carousel Indicators -->
        <ol class="carousel-indicators">
          <li class="item-btn"><img class="img-responsive " src="https://s3.amazonaws.com/uifaces/faces/twitter/brad_frost/128.jpg" alt="">
          </li>
          <li class="item-btn active"><img class="img-responsive" src="https://s3.amazonaws.com/uifaces/faces/twitter/rssems/128.jpg" alt="">
          </li>
          <li class="item-btn"><img class="img-responsive" src="https://s3.amazonaws.com/uifaces/faces/twitter/adellecharles/128.jpg" alt="">
          </li>
        </ol>

        <!-- Carousel Slides / Quotes -->
        <div class="carousel-inner text-center">

          <!-- Quote 1 -->
          <div class="item">
            <blockquote>
              <div class="row">
                <div class="col-sm-8 col-sm-offset-2">

                  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
                    aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. !</p>
                  <small>Someone famous</small>
                </div>
              </div>
            </blockquote>
          </div>
          <!-- Quote 2 -->
          <div class="item active">
            <blockquote>
              <div class="row">
                <div class="col-sm-8 col-sm-offset-2">

                  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
                    aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. </p>
                  <small>Someone famous</small>
                </div>
              </div>
            </blockquote>
          </div>
          <!-- Quote 3 -->
          <div class="item">
            <blockquote>
              <div class="row">
                <div class="col-sm-8 col-sm-offset-2">

                  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
                    aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. .</p>
                  <small>Someone famous</small>
                </div>
              </div>
            </blockquote>
          </div>
        </div>

        <!-- Carousel Buttons Next/Prev -->
        <a href="#quote-carousel" class="left carousel-control"><i class="fa fa-chevron-left"></i></a>
        <a href="#quote-carousel" class="right carousel-control"><i class="fa fa-chevron-right"></i></a>
      </div>
    </div>
  </div>
</div>
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工作小提琴here

答案 1 :(得分：1)

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function showAvatar(){
var no_of_avatars=3;

var data=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];

var start_index=10;

var msg='Start : ';

start_index=start_index-Math.floor(no_of_avatars/2)+data.length;

for(i=0;i<no_of_avatars;i++)
{
	$('#content-id').append('start_index+i : '+(start_index+i)+'<br>');
	msg+=','+data[((start_index+i)%data.length)];
}
  
$('#content-id').append(msg);
  
}
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<button onclick="showAvatar()">click to execute</button>
<div id="content-id">
</div>
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这可能会对你有所帮助。这只是您可以将数据置于中心的登录名，但如果您的头像数量不是奇数，那么虽然只需要很小的改动，但它不会产生完美的结果。

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