仿淘宝、京东首页icons横向滑动效果

news2024/11/18 23:28:09

一、效果展示

淘宝：

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京东：

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二、话不多说，直接上demo

案例效果

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代码

<template>
    <div class="demo-page">
        <h1>滚动效果</h1>
        <div class='icons-slide-wrapper'>
            <div class="icons-container" ref="iconsContainer">
                <div class="icon-block" v-for="(p, blockIndex) in filterList" :key="blockIndex">
                    <a class="icon-item" v-for="(item, itemIndex) in p" :key="item.id || itemIndex" :href="item.route" @click="toggleIconHandler(item)">
                        <div class="item-img">
                            <img :src="item.icon" alt="">
                        </div>
                        <div class="item-name">{{ item.name }}</div>
                    </a>
                </div>
            </div>
            <div class="indicator-container" v-if="demoList && demoList.length > 10">
                <div class="indicator-nav" ref="indicatorContainer">
                    <div class="nav-slide" ref="navSlide"></div>
                </div>
            </div>
        </div>
        
    </div>
</template>

<script>

export default {
    data () {
        return {
            demoList: [
                {
                    id: 1,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '摇现金',
                    route: 'https://m.caihuoxia.com/u/hunter-market/index'
                },
                {
                    id: 2,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '百亿补贴'
                },
                {
                    id: 3,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '芭芭农场'
                },
                {
                    id: 4,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '水排序'
                },
                {
                    id: 5,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '饿了么'
                },
                {
                    id: 6,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '天天特卖'
                },
                {
                    id: 7,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '家电清洗'
                },
                {
                    id: 8,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '活动日历'
                },
                {
                    id: 9,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '领淘金币'
                },
                {
                    id: 10,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '全部频道'
                },
                {
                    id: 11,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '摇现金'
                },
                {
                    id: 12,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '百亿补贴'
                },
                {
                    id: 13,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '芭芭农场'
                },
                {
                    id: 14,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '水排序'
                },
                {
                    id: 15,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '饿了么'
                },
                {
                    id: 16,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '天天特卖'
                },
                {
                    id: 17,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '家电清洗'
                },
                {
                    id: 18,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '活动日历'
                },
                {
                    id: 19,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '领淘金币'
                },
                {
                    id: 20,
                    icon: 'https://gw.alicdn.com/imgextra/i2/O1CN01qrrUAN1wRjrhtfk6Q_!!6000000006305-2-tps-183-144.png_q90.jpg_.webp',
                    name: '全部频道'
                },
            ]
        }
    },
    methods: {
        toggleIconHandler (item) {
            console.log(item,'toggleIconHandlertoggleIconHandlertoggleIconHandler')
        }

    },
    created () {

    },
    computed: {
        filterList () {
            const groupedData = []
            const groupSize = 10 // 每组的大小
            for (let i = 0; i < this.demoList.length; i += groupSize) {
                groupedData.push(this.demoList.slice(i, i + groupSize))
            }
            return groupedData
        }
    },
    mounted () {
        // 获取元素引用
        const iconsContainer = this.$refs.iconsContainer
        const indicatorContainer = this.$refs.indicatorContainer
        const navSlide = this.$refs.navSlide

        // 添加滚动事件监听器
        this.scrollListener = () => {
            const scrollLeft = iconsContainer.scrollLeft
            const containerWidth = iconsContainer.clientWidth
            const totalWidth = iconsContainer.scrollWidth
            const indicatorNavWidth = indicatorContainer.clientWidth

            // 计算比例
            const ratio = containerWidth / totalWidth

            // 计算 nav-slide 的宽度和位置
            const navSlideWidth = indicatorNavWidth * ratio
            const maxScrollLeft = totalWidth - containerWidth
            // 当前滚动位置相对于最大滚动位置的比例
            const adjustedScrollLeft = Math.min(scrollLeft, maxScrollLeft)

            // 动态设置 nav-slide 的宽度和位置
            navSlide.style.width = navSlideWidth + "px"
            // 通过 (indicatorNavWidth - navSlideWidth) 确保 nav-slide 不会超出右侧边界。
            navSlide.style.transform = `translateX(${(adjustedScrollLeft / maxScrollLeft) * (indicatorNavWidth - navSlideWidth)}px)`
        }

        // 添加事件监听器
        if (this.demoList && this.demoList.length > 10) {
            iconsContainer.addEventListener("scroll", this.scrollListener)
        }
    },
    beforeDestroy () {
        // 移除事件监听器
        if (this.demoList && this.demoList.length > 10) {
            const iconsContainer = this.$refs.iconsContainer
            iconsContainer.removeEventListener("scroll", this.scrollListener)

        }
    },

}
</script>
<style lang="less" scoped>
.demo-page {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #dedede;
    height: 100vh;
    padding: 12px;
}

.icons-slide-wrapper {
    height: auto;
    width: 100%;
    background-color: #FFFFFF;
    overflow: hidden;

    .icons-container {
        display: flex;
        overflow: hidden;
        overflow-x: auto;
        flex-wrap: nowrap;

        .icon-block {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            flex: 0 0 auto;
            margin-right: 10px;

            .icon-item {
                box-sizing: border-box;
                width: 62px;
                height: 62px;
                padding: 0 0px 3px;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                background-color: #f4f4f4;
                margin-right: 10px;
                margin-bottom: 12px;


                .item-img {
                    width: 42px;
                    height: 42px;

                    img {
                        width: 100%;
                        height: 42px;
                        object-fit: cover;
                    }
                }

                .item-name {
                    margin-top: 6px;
                    font-size: 12px;
                    transform: scale(0.91, 0.91);
                    font-family: PingFangSC, PingFang SC;
                    font-weight: 400;
                    color: #5E5E5E;
                    line-height: 11px;
                    max-width: 58px;
                    overflow: hidden;
                    white-space: nowrap;
                    text-overflow: ellipsis;

                }
            }

            .icon-item:nth-child(5n) {
                margin-right: 0;
            }
        }

        .icon-block:last-child {
            margin-right: 0;
        }

    }

    .icons-container::-webkit-scrollbar {
        width: 0;
        /* 隐藏垂直滚动条 */
        height: 0;
        /* 隐藏水平滚动条 */
    }

    .icons-container::-webkit-scrollbar-thumb {
        background-color: transparent;
        /* 隐藏滚动条thumb */
    }

    .indicator-container {
        display: flex;
        width: 100%;
        justify-content: center;

        .indicator-nav {
            width: 28px;
            height: 2px;
            background: #D8D8D8;
            border-radius: 3px;

            .nav-slide {
                height: 2px;
                width: 14px;
                border-radius: 3px;
                background-color: #fe4c1a;
                will-change: transform;
            }
        }
    }
}
</style>