<template>
    <div>
        <div class="scroll-wrap">
            <ul class="scroll-content" :style="{ top }" @mouseenter="Stop()" @mouseleave="Up()">
                <li v-for="item in prizeList" v-bind:key="item.id"><a :href="item.src">{{item.name}}</a></li >
            </ul>
        </div>
    </div>
</template>

<script>
    export default {
        name: 'complexTable',
        data() {
            return {
                prizeList: [
                    {name: '城轨采购网', src: 'http://www.railunique.com'},
                    {name: '天津地铁电子采购平台', src: 'http://www.railunique.com'},
                    {name: '南昌地铁', src: 'http://www.railunique.com'},
                    {name: '南昌地铁', src: 'http://www.railunique.com'},
                    {name: '兰州地铁招标信息', src: 'http://www.railunique.com'},
                    {name: '西安公共资源交易中心', src: 'http://www.railunique.com'},
                ],
                activeIndex: 0,
                intnum: undefined
            }
        },
        computed: {
            top() {
                return -this.activeIndex * 20 + 'px';
            }
        },

        created() {
            this.ScrollUp();
        },
        methods: {
            ScrollUp() {
                // eslint-disable-next-line no-unused-vars
                this.intnum = setInterval(_ => {
                    if (this.activeIndex < this.prizeList.length) {
                        this.activeIndex += 1;
                    } else {
                        this.activeIndex = 0;
                    }
                }, 1000);
            },

            Stop() {
                clearInterval(this.intnum);
            },
            Up() {
                this.ScrollUp();
            }
        }
    }
</script>
<style>
    .scroll-wrap {
        height: 150px;
        overflow: hidden;
    }

    .scroll-content {
        position: relative;
        transition: top 0.5s;
    }

    .scroll-content p {
        line-height: 50px;
        text-align: center;
    }
</style>