$require(['swiper'], function () {
    var swiper = new swiper('.magnify', {
        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
        slidesperview: 5,
        spacebetween: 20,
        centeredslides: true,
        loop: true,
        navigation: {
            nextel: '.under',
            prevel: '.upper',
        },
    });
})