Swiper縮略圖控制 /互相控制

此文是基于swiper官網(wǎng)來寫,目的只是做個總結(jié),需求是上邊是大圖顯示,下邊是縮略圖圖顯示。默認下邊不劃動,當縮略圖圖一行不夠顯示的時候才滾動。 引用的是V3版本的文件,官網(wǎng)有個類似的效果是引用V4版本的,僅供參考。

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1">
    <link rel="stylesheet" type="text/css" href="./css/swiper-3.4.2.min.css">
    <style type="text/css">
    html,
    body {
        position: relative;
        height: 100%;
    }

    body {
        background: #000;
        font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
        font-size: 14px;
        color: #000;
        margin: 0;
        padding: 0;
    }

    .container {
        width: 300px;
        margin: 0 auto;
    }

    .swiper-slide {
        background-size: cover;
        background-position: center;
    }

    .gallery-top-box {
        width: 100%;
        margin: 0 auto;
    }

    .gallery-thumbs-box {
        width: 100%;
        margin: 0 auto;
    }

    .swiper-container {
        width: 100%;
        height: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    .gallery-thumbs {
        height: 60px;
        box-sizing: border-box;
        padding: 10px 0;
    }

    .gallery-thumbs .swiper-slide {
        height: 100%;
        opacity: 0.4;
    }

    .gallery-thumbs .swiper-slide-active {
        opacity: 1;
    }

    .gallery-thumbs .swiper-wrapper {
        transform: none!important;
    }
    </style>
</head>

<body>
    <div class="container">
        <!-- Swiper -->
        <div class="gallery-top-box">
            <div class="swiper-container gallery-top">
                <div class="swiper-wrapper">
                    <div class="swiper-slide" style="background-image:url(img/nature1.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature2.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature3.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature4.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature5.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature6.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature7.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature8.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature9.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature10.jpg)"></div>
                </div>
                <!-- Add Arrows -->
                <div class="swiper-button-next swiper-button-white"></div>
                <div class="swiper-button-prev swiper-button-white"></div>
            </div>
        </div>
        <div class="gallery-thumbs-box">
            <div class="swiper-container gallery-thumbs">
                <div class="swiper-wrapper">
                    <div class="swiper-slide" style="background-image:url(img/nature1.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature2.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature3.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature4.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature5.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature6.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature7.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature8.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature9.jpg)"></div>
                    <div class="swiper-slide" style="background-image:url(img/nature10.jpg)"></div>
                </div>
            </div>
        </div>
    </div>
    <!-- Swiper JS -->
    <script src="./js/swiper-3.4.2.min.js"></script>
    <script>
    var leftScreenVal, moveLeftVal;
    var galleryTop = new Swiper('.gallery-top', {
        nextButton: '.swiper-button-next',
        prevButton: '.swiper-button-prev',
        observer: true,
        observeParents: true,
        autoplay: 5000,
        onSlidePrevEnd: function(swiper) {
            //這里因為居中顯示的時候,按照我屏幕默認距離屏幕左邊570像素,所以是以570為基準,然后再算每一個圖片寬度155,有幾張
            leftScreenVal = document.getElementsByClassName('swiper-slide-active')[1].getBoundingClientRect().left;
            if (leftScreenVal < 570) {
                moveLeftVal = document.getElementsByClassName('swiper-slide-active')[1].offsetLeft;
                moveLeftVal = 155 - moveLeftVal;
                document.querySelector('.gallery-thumbs > .swiper-wrapper').style.left = moveLeftVal + 'px';
            }
        },
        onSlideNextEnd: function(swiper) {
            //這里因為居中顯示的時候,按照我屏幕默認距離屏幕左邊570像素,所以是以570為基準,然后再算每一個圖片寬度155,有幾張
            var leftScreenVal = document.getElementsByClassName('swiper-slide-active')[1].getBoundingClientRect().left;
            if (leftScreenVal >= 880) { // 這里880是因為我基準570加上下邊一行默認只顯示兩張155寬度的縮略圖
                moveLeftVal = document.getElementsByClassName('swiper-slide-active')[1].offsetLeft;
                moveLeftVal = 0 - moveLeftVal;
                document.querySelector('.gallery-thumbs > .swiper-wrapper').style.left = moveLeftVal + 'px';
            }
        }
    });
    var galleryThumbs = new Swiper('.gallery-thumbs', {
        centeredSlides: true,
        slidesPerView: 2,
        touchRatio: 0.2,
        slideToClickedSlide: true,
        observer: true,
        observeParents: true,
        spaceBetween: 10
    });

    galleryTop.params.control = galleryThumbs;
    galleryThumbs.params.control = galleryTop;
    </script>
</body>

</html>

如果有需要源文件可以從以下源碼地址拉取

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