在vue中使用swiper4 左右箭头替换成自己想要的图片
<div class="swiper-button-prev" slot="button-prev">
<img style="width:100%;height:100%" src="your pic” alt/>
</div>
<div class="swiper-button-next" slot="button-next">
<img style="width:100%;height:100%" src="your pic” alt/>
</div>
