slidesPerView :1, autoplay:3000, direction:'vertical', grabCursor:true, autoplayDisableOnInteraction:false, mousewheelControl:true, autoHeight:true, // 重点就是这个 observer: true, //修改swiper自己或子元素时，自动初始化swiper observeParents: true, //修改swiper的父元素时，自动初始化swiper