在現(xiàn)代工業(yè)建筑中, 767) {
        $('.jqzoom').imagezoom();
    }
    $('.preview .swiper-slide').eq(0).addClass('active-nav');
    var viewSwiper = new Swiper('.view .swiper-container', {
        on: {
            slideChangeTransitionStart: function() {
                updateNavPosition()
            }
        }
    });
    $('.view .arrow-left,.preview .arrow-left').on('click', function(e) {
        e.preventDefault();
        if (viewSwiper.activeIndex === 0) {
            viewSwiper.slideTo(viewSwiper.slides.length - 1, 1000);
            return
        }
        viewSwiper.slidePrev();
    });
    $('.view .arrow-right,.preview .arrow-right').on('click', function(e) {
        e.preventDefault();
        if (viewSwiper.activeIndex === viewSwiper.slides.length - 1) {
            viewSwiper.slideTo(0, 1000);
            return
        }
        viewSwiper.slideNext();
    });
    var previewSwiper = new Swiper('.preview .swiper-container', {
        //visibilityFullFit: true,
        slidesPerView: 3,
        allowTouchMove: false,
        spaceBetween: 5,
        on: {
            tap: function() {
                viewSwiper.slideTo(previewSwiper.clickedIndex)
            }
        }
    });
    function updateNavPosition() {
        $('.preview .active-nav').removeClass('active-nav');
        var activeNav = $('.preview .swiper-slide').eq(viewSwiper.activeIndex).addClass('active-nav');
        if (!activeNav.hasClass('swiper-slide-visible')) {
            if (activeNav.index() > previewSwiper.activeIndex) {
                var thumbsPerNav = Math.floor(previewSwiper.width / activeNav.width()) - 1;
                previewSwiper.slideTo(activeNav.index() - thumbsPerNav);
            } else {
                previewSwiper.slideTo(activeNav.index());
            }
        }
    }


 




         
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