swiper在loop模式，当轮播到最后一张图时候，做其他事件

<link rel="stylesheet" href="css/swiper.min.css">
<script src="js/swiper.min.js"></script>

html,
body {
position: relative;
height: 100%;
} body {
background: #eee;
font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
font-size: 14px;
color: #000;
margin:;
padding:;
} .swiper-container {
width: 100%;
height: 100%;
margin-left: auto;
margin-right: auto;
} .swiper-slide {
text-align: center;
font-size: 18px;
background: #fff;
/* Center slide text vertically */
display: -webkit-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
}

<div class="swiper-container swiper-no-swiping">
<div class="swiper-wrapper">
<div class="swiper-slide">
<img src="data:image/n1.jpg" alt="">
</div>
<div class="swiper-slide">
<img src="data:image/n2.jpg" alt="">
</div>
<div class="swiper-slide">
<img src="data:image/n3.jpg" alt="">
</div>
<div class="swiper-slide">
<img src="data:image/n4.jpg" alt="">
</div>
<div class="swiper-slide">
<img src="data:image/n5.jpg" alt="">
</div>
</div>
<div class="swiper-pagination"></div>
</div>

var swiper = new Swiper('.swiper-container', {
loop: true, //禁止手动滑动
direction: 'vertical',
slidesPerView: 1,
spaceBetween: 30,
speed: 500,
mousewheel: true,
autoplay: {
disableOnInteraction: false, //手动滑动之后不打断播放
delay: 1000
},
pagination: {
el: '.swiper-pagination',
clickable: true,
},
//打印suwper当前图片的索引值
on: {
slideChangeTransitionEnd() {
this.active = $('.swiper-slide-active').attr('data-swiper-slide-index')
var sum = this.realIndex + 1
console.log(sum)
}
}
});