• Js跑马灯效果 && 在Vue中使用


    DEMO:

    <!DOCTYPE html>
    <html>

    <head>
      <title>滚动播报</title>
      <meta charset="UTF-8">
      <style>
        .content {
          height: 60px;
          background-color: #2c2c34;
          overflow: hidden;
        }

        .content ul {
          white-space: nowrap;
        }

        .content ul li {
          position: relative;
          font-size: 14px;
          vertical-align: middle;
          line-height: 35px;
          padding: 0 8px;
          white-space: nowrap;
          display: inline-block;
          color: #fff
        }

        #scrollBox {
          overflow: hidden;
        }

        #scrollBox .scrollWrap {
           500%
        }

        .scrollCont {
          float: left;
        }
      </style>
    </head>

    <body>
      <div class="content">
        <ul>
          <div id="scrollBox">
            <div class="scrollWrap">
              <div id="scrollContOne" class="scrollCont">
                <li>我是第一条数据</li>
                <li>我是第二条数据</li>
                <li>我是第三条数据</li>
                <li>我是第四条数据</li>
                <li>我是第五条数据</li>
                <li>我是第六条数据</li>
                <li>我是第七条数据</li>
                <li>我是第八条数据</li>
              </div>
              <div id="scrollContTwo" class="scrollCont"></div>
            </div>
          </div>
        </ul>
      </div>

      <script>
        let speed = 40

        let scrollBox = document.getElementById("scrollBox");

        let scrollContOne = document.getElementById("scrollContOne");

        let scrollContTwo = document.getElementById("scrollContTwo");

        scrollContTwo.innerHTML = scrollContOne.innerHTML;

        scrollBox.scrollLeft = 0;

        function scrollRadio() {

          if (scrollBox.scrollLeft >= scrollContTwo.offsetWidth) {

            scrollBox.scrollLeft -= scrollContOne.offsetWidth

          } else {

            scrollBox.scrollLeft += 2;

          }

        }

        let MyScrollRadio = setInterval(scrollRadio, speed);

        scrollBox.onmouseover = function() {

          clearInterval(MyScrollRadio)

        };

        scrollBox.onmouseout = function() {

          MyScrollRadio = setInterval(scrollRadio, speed)

        };

      </script>

    </body>

    </html>

    在Vue中使用:

    <template>

      <div class="content">

        <ul>

          <div id="scrollBox">

            <div class="scrollWrap">

              <div id="scrollContOne" class="scrollCont">

                <li v-for="item in items">

                  <a href="{{item}" target="_blank"></a>

                </li>

              </div>

              <div id="scrollContTwo" class="scrollCont"></div>

            </div>

          </div>

        </ul>

      </div>

    </template>

    <style scoped>

      .content {

        height: 60px;

        background-color: #2c2c34;

        overflow: hidden;

      }

      .content ul {

        white-space: nowrap;

      }

      .content ul li {

        position: relative;

        font-size: 14px;

        vertical-align: middle;

        line-height: 35px;

        padding: 0 8px;

        white-space: nowrap;

        display: inline-block;

      }

      .content ul li a {

        text-decoration: none;

        color:#fff;
      }

      #scrollBox {

        overflow: hidden;

        margin-left: 36px;

      }

      #scrollBox .scrollWrap {

         500%

      }

      .scrollCont {

        float: left;

      }

    </style>

    <script>

    export default {

      data: () => ({

        canScrollTimer: 0

      }),

       vuex: {
                getters: {
                    scrollLists: state => state.scrollLists
                }
            },

      watch:{

       scrollLists:{

        deep:true,

        handler(v,ov){

          if(v.length){

              this.run();

            }

          }

        } 

      },

      methods: {

        run() {

          let speed = 40;

          let scrollBox = document.getElementById("scrollBox");

          let scrollContOne = document.getElementById("scrollContOne");

          let scrollContTwo = document.getElementById("scrollContTwo");

          scrollContTwo.innerHTML = scrollContOne.innerHTML;

          scrollBox.scrollLeft = 0;

          function scrollRadio() {

            if (scrollBox.scrollLeft >= scrollContTwo.offsetWidth) {

              scrollBox.scrollLeft -= scrollContOne.offsetWidth

            } else {

              scrollBox.scrollLeft += 2;

            }
          }

          let MyScrollRadio = setInterval(scrollRadio, speed);

          scrollBox.onmouseover = function() {

            clearInterval(MyScrollRadio)

          };

          scrollBox.onmouseout = function() {

            MyScrollRadio = setInterval(scrollRadio, speed)

          };

        }

      },

      ready() {

        //接口调用

      }

    }

    </script>

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  • 原文地址:https://www.cnblogs.com/Man-Dream-Necessary/p/6407131.html
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