实现效果:
在这里插入图片描述

链接

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>vue.js动态文字滚动公告代码</title>
    <script src="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.min.js"></script>
    <style>
      div,
      ul,
      li,
      span,
      img {
        margin: 0;
        padding: 0;
        display: flex;
        box-sizing: border-box;
      }

      .marquee {
        width: 100%;
        height: 308px;
        color: #3a3a3a;
        box-sizing: border-box;
      }

      .marquee_box {
        display: block;
        position: relative;
        width: 60%;
        /* 占四分之三的高度  */
        height: 86%;
        overflow: hidden;
      }

      .marquee_list {
        display: block;
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
      }

      .marquee_top {
        transition: all 0.5s ease-out;
        margin-top: -44px;
      }

      .marquee_list li {
        height: 44px;
        line-height: 30px;
        font-size: 14px;
        padding-left: 20px;
      }

      .marquee_list li span {
        padding: 0 2px;
      }

      .red {
        color: #ff0101;
      }
    </style>
  </head>
  <body
    style="width: 100vw; height: 100vh; padding: 10px; box-sizing: border-box;"
  >
    <div class="vueBox">
      <div class="marquee">
        <div class="marquee_box">
          <ul class="marquee_list" :class="{marquee_top:animate}">
            <li
              v-for="(item, index) in marqueeList"
              :key="index"
              :style="{background: item.background, display: 'flex', 'justify-content': 'space-between',  'align-items': 'center'}"
            >
              <span>{{item.name}}</span>
              <span>在</span>
              <span class="red"> {{item.city}}</span>
              <span>杀敌</span>
              <span class="red"> {{item.amount}}</span>
              <span>万</span>
              <span
                ><img
                  :src="item.src?item.src: ''"
                  style="width: 15px; height: 15px;"
                  alt=""
              /></span>
            </li>
          </ul>
        </div>
      </div>
    </div>

    <script type="text/javascript">
      const vm = new Vue({
        el: ".vueBox",
        data: {
          animate: false,
          marqueeList: [
            {
              name: "1军",
              city: "北京",
              amount: "10",
              background: "rgba(0,0,0,.4)",
              src: "../img/冠军.png"
            },
            {
              name: "2军",
              city: "上海",
              amount: "20",
              background: "rgba(0,0,0,.6)",
              src: "../img/亚军.png"
            },
            {
              name: "3军",
              city: "广州",
              amount: "30",
              background: "rgba(0,0,0,.4)",
              src: "../img/季军.png"
            },
            {
              name: "4军",
              city: "重庆",
              amount: "40",
              background: "rgba(0,0,0,.6)"
            },
            {
              name: "5军",
              city: "天津",
              amount: "50",
              background: "rgba(0,0,0,.4)"
            },
            {
              name: "6军",
              city: "西安",
              amount: "60",
              background: "rgba(0,0,0,.6)"
            },
            {
              name: "7军",
              city: "武汉",
              amount: "70",
              background: "rgba(0,0,0,.4)"
            },
            {
              name: "8军",
              city: "南昌",
              amount: "80",
              background: "rgba(0,0,0,.6)"
            }
          ]
        },
        created: function() {
          setInterval(this.showMarquee, 2000);
        },
        methods: {
          showMarquee: function() {
            this.animate = true;
            setTimeout(() => {
              if (this.marqueeList.length % 2 != 0) {
                this.marqueeList[0]["background"] =
                  this.marqueeList[0]["background"] === "rgba(0,0,0,.4)"
                    ? "rgba(0,0,0,.6)"
                    : "rgba(0,0,0,.4)";
              }
              this.marqueeList.push(this.marqueeList[0]);
              this.marqueeList.shift();
              this.animate = false;
            }, 500);
          }
        }
      });
    </script>
  </body>
</html>
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