swipe怎么实现图片预加载 求大神指教
<div class="swiper-container"><div class="swiper-wrapper">
<div class="swiper-slide">
<img data-src="img/yhq1.png" src="img/yqh1.png" class="swiper-lazy">
<div class="swiper-lazy-preloader"></div>
</div>
<div class="swiper-slide">
<img data-src="img/yhq1.png" src="img/yqh2.png" class="swiper-lazy">
<div class="swiper-lazy-preloader"></div>
</div>
<div class="swiper-slide">
<div data-background="path/to/picture-3.jpg" class="swiper-lazy">slide3</div>
</div>
</div>
</div>
<script>
var mySwiper = new Swiper('.swiper-container',{
lazyLoading : true,
})
</script>
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