var mySwiper = new Swiper (‘.swiper-bottom‘, { spaceBetween: 25, freeMode: true, initialSlide :1,//默认第二个 slidesPerView: 2,//可见个数2 centeredSlides: true,//居中 });
swiper默认第二个且居中
原文：https://www.cnblogs.com/jiangxiaobo/p/10042416.html
