var swiper = new swiper('.swiper-container-yy', {
        nextbutton: '.swiper-button-next',
        prevbutton: '.swiper-button-prev',
        slidesperview: 2,
        spacebetween: 80
    });
var swiper = new swiper('.swiper-container-banner', {
        pagination: '.swiper-pagination',
        paginationclickable: true,
        autoplay: 3000,
        autoplaydisableoninteraction: false,
        loop:true,
    });