$require(['swiper'], function () {
  var leftgz = new Swiper('.mySwipergz', { 
    slidesPerView: 1,
    spaceBetween: 0,
	loop: true, // 循环模式选项
    speed:1500,
    parallax : true,
    navigation: {
      nextEl: ".swiper-button-next",
      prevEl: ".swiper-button-prev",
    },
  });

});