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css3實(shí)現(xiàn)動(dòng)態(tài)滾動(dòng)播放列表功能

  發(fā)布時(shí)間:2024-09-11 17:02:51   作者:不一樣又怎樣   我要評(píng)論
在Web開(kāi)發(fā)中,動(dòng)態(tài)滾動(dòng)播放列表能夠提升用戶(hù)體驗(yàn),使內(nèi)容展示更加生動(dòng)有趣,本文介紹了如何僅使用CSS3實(shí)現(xiàn)一個(gè)基礎(chǔ)的循環(huán)播放列表,其中關(guān)鍵技術(shù)包括@keyframes規(guī)則和animation相關(guān)屬性,感興趣的朋友一起看看吧

需要自動(dòng)滾動(dòng)循環(huán)播放的列表,使用純CSS實(shí)現(xiàn)基礎(chǔ)循環(huán)功能

    .messages
        animation-name carousel
        animation-timing-function linear
        animation-iteration-count infinite
        .message-item
            cursor pointer
            margin-top 10px
        &.stopPlay
            animation-play-state paused
            /**
              CSS3 animation-play-state 屬性 值為paused時(shí)暫停動(dòng)畫(huà),為running時(shí)繼續(xù)動(dòng)畫(huà)
             */
    @keyframes carousel {
        0% {
            transform: translateY(0%)
        }
        100% {
            transform: translateY(-50%)
        }
    }

完整代碼

<template>
    <div>
        <div class="top-line">
            <div class="box-title">
                <span class="title">XXXX專(zhuān)題圖</span>
            </div>
        </div>
        <div class="scroll-box">
            <ul class="messages" @mouseover="stopAnim" @mouseout="runAnim" v-if="list.length"
                :style="{ animationDuration: animationDuration }" :class="{ stopPlay: animationPlayState }">
                <li class="message-item" v-for="(item, index) in list" :key="index" @click="toDetail(item)">
                    <div class="message-top">
                        <span class="message-title">{{ item.name }}</span>
                        <span class="message-time">{{ item.startDate }}</span>
                    </div>
                    <p class="message-content">{{ item.content }}</p>
                </li>
            </ul>
            <div class="none" v-else>
                暫無(wú)內(nèi)容
            </div>
        </div>
    </div>
</template>
<script>
import test11List from '@/assets/test11List'
export default {
    data() {
        return {
            animationDuration: '',
            animationPlayState: false,
            list: test11List.list,
            category: ''
        };
    },
    mounted() {
        this.getData()
    },
    methods: {
        getData() {
            let data = this.list
            if (data.length <= 2) {
                this.animationPlayState = true
                this.animationDuration = 2 + 's'//動(dòng)畫(huà)持續(xù)時(shí)間
            } else {
                // 跑馬燈動(dòng)畫(huà)
                this.animationDuration = data.length * 2 + 's'
                this.list = this.list.concat(this.list)
            }
        },
        stopAnim() {//鼠標(biāo)移入暫停動(dòng)畫(huà)
            this.animationPlayState = true
        },
        runAnim() {//鼠標(biāo)移除繼續(xù)動(dòng)畫(huà)
            if (this.list.length > 2) {
                this.animationPlayState = false
            }
        }
    },
};
</script>
<style lang="stylus" scoped>
    *{
        margin: 0
        padding: 0
    }
    ul{
        list-style: none
    }
    .scroll-box{
        width 100%
        height 800px
        overflow hidden
        border 2px solid red
    }
    .box-title
        line-height 34px
        font-size 16px
        background: blue
        color: #fff
        opacity 1
    .messages
        animation-name carousel
        animation-timing-function linear
        animation-iteration-count infinite
        .message-item
            cursor pointer
            margin-top 10px
        &.stopPlay
            animation-play-state paused
            /**
              CSS3 animation-play-state 屬性 值為paused時(shí)暫停動(dòng)畫(huà),為running時(shí)繼續(xù)動(dòng)畫(huà)
             */
    .none
        text-align center
        line-height 537px
        color #fff
    @keyframes carousel {
        0% {
            transform: translateY(0%)
        }
        100% {
            transform: translateY(-50%)
        }
    }
</style>

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