$require(['swiper'], function () { 
  var leftgz = new Swiper('.mySwiperxn', { 
    slidesPerView: 1,
    spaceBetween: 0,
    autoplay: false, // 禁用轮播
    allowSlideNext: false, // 禁止向下滑动
    allowSlidePrev: false // 禁止向上滑动
  }); 
});