锘縱ar swiperExtend = {
    data: {
        leftSwiper: [],
        rightSwiper: [],
    },
    Init: function () {
        swiperExtend.data.rightSwiper = new Swiper('#bannerRight', {
            slidesPerView: 'auto',
            direction: 'vertical'
        });

        swiperExtend.data.leftSwiper = new Swiper('#bannerLeft', {
            pagination: '.swiper-pagination',
            paginationClickable: true,
            spaceBetween: 30,
            centeredSlides: true,
            autoplay: 4000,
            autoplayDisableOnInteraction: false,
            loop: true,
            loopAdditionalSlides: 1,
            onSlideChangeStart: function (swiper) {
                var activeIndex = $('#bannerLeft .swiper-slide').eq(swiper.activeIndex).attr("data-swiperight");
                if (activeIndex == -1) {
                    $('.bannerRight .active-nav').removeClass('active-nav');
                }
                else {
                    swiperExtend.updateNavPosition(activeIndex, true);
                }
            },
            onImagesReady: function (swiper) {
                //Swiper鍒濆鍖栦簡
                swiperExtend.rightHeightSet();
            }
        });

        $('.arrow-up').click(function () {
            var activeIndex = $('.bannerRight .active-nav').index() - 1;
            if (activeIndex < -1) {
                activeIndex = -1;
            }
            swiperExtend.updateNavPosition(activeIndex, false);
        });

        $('.arrow-down').click(function () {
            var activeIndex = $('.bannerRight .active-nav').index() + 1;
            swiperExtend.updateNavPosition(activeIndex, false);
        });

        $(".bannerRight .swiper-slide").click(function () {
            swiperExtend.updateNavPosition($(this).index(), false);
        });


        var newsSwiper = new Swiper('#newsSwiper', {
            slidesPerView: 3,
            centeredSlides: false,
            paginationClickable: true,
            spaceBetween: 0,
            prevButton: '#newsLeft',
            nextButton: '#newsRight'
        });

    },
    updateNavPosition: function (activeIndex, fromLeft) {
        $('.bannerRight .active-nav').removeClass('active-nav');
        if (activeIndex == swiperExtend.data.rightSwiper.slides.length) {
            var activeNav = $('.bannerRight .swiper-slide').eq(0).addClass('active-nav');
            swiperExtend.data.rightSwiper.slideTo(0, 1000, false);
            if (!fromLeft) {
                var leftIndex = activeNav.attr("data-swipeleft");
                swiperExtend.data.leftSwiper.slideTo(leftIndex, 1000);
            }
            return;
        }
        if (activeIndex == -1) {
            var next = swiperExtend.data.rightSwiper.slides.length - 1;
            var activeNav = $('.bannerRight .swiper-slide').eq(next).addClass('active-nav');
            swiperExtend.data.rightSwiper.slideTo(next, 1000, false);
            if (!fromLeft) {
                var leftIndex = activeNav.attr("data-swipeleft");
                swiperExtend.data.leftSwiper.slideTo(leftIndex, 1000);
            }
            return;
        }
        var activeNav = $('.bannerRight .swiper-slide').eq(activeIndex).addClass('active-nav');
        var aa = activeNav.index() / 3;
        var next = activeNav.index() - 2;
        if (next < 0) {
            next = 0;
        }
        if (swiperExtend.data.rightSwiper.activeIndex != next) {
            swiperExtend.data.rightSwiper.slideTo(next, 1000, false);
        }
        if (!fromLeft) {
            var leftIndex = activeNav.attr("data-swipeleft");
            swiperExtend.data.leftSwiper.slideTo(leftIndex, 1000);
        }
    },
    rightHeightSet: function () {
        var leftHeight = $(".bannerLeft").outerHeight();
        $(".bannerRight").height(leftHeight);
        var rightHeight = leftHeight - 70;
        $("#bannerRight").height(rightHeight);
        $(".bannerRight .swiper-slide").each(function () {
            $(this).height(rightHeight / 3);
        });
        swiperExtend.data.rightSwiper = new Swiper('#bannerRight', {
            slidesPerView: 'auto',
            direction: 'vertical'
        });
    }
};