vue 实现LED数字时钟效果（开箱即用）

站长资源 2024/11/26 佚名

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实现思路

每一个数字由七个元素构成，即每一个segment元素。0~9 的数字都有自己的构成方式，用数组表示，即digitSegments数组。例如：

数字0用数组表示就是[1,2,3,4,5,6]，定时器每隔一秒获取最新时间，然后通过改变透明度将之前的数字消失，显示最新的数字。通过transition展示动态效果。

代码细节

setNumber 方法用来设置数字，方法中第一个判断用于清除之前显示的数字，第二个判断用于显示最新的数字，当初始化时间时，会进第二个判断。样式有些丑，可以自己修改，年月日的显示也可使用正常的数字显示。

实现代码

<!--
 * @Author: mat
 * @Date: 2019-12-04 14:56:07
 * @LastEditTime: 2019-12-05 17:27:36
 * @LastEditors: Please set LastEditors
 * @Description: 实现LED数字时钟
 -->
<template>
  <div class="clock">
 <div class="digit hours">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
 <div class="digit hours">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
    <div class="intervalPoint">
      <div class="separator"></div>
      <div class="separator"></div>
    </div>
 <div class="digit minutes">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
 <div class="digit minutes">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
 <div class="intervalPoint">
      <div class="separator"></div>
      <div class="separator"></div>
    </div>
 <div class="digit seconds">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
 <div class="digit seconds">
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
  <div class="segment"></div>
 </div>
    <div class="systemTime-main">
      <p class="systemTime-title">系统时间</p>
      <!-- <p style="color: #00DCFF; font-size: 30px; line-height: 40px; font-family: fantasy;">2019/12/05</p> -->
      <div class="systemTime-date">
        <div class="date-numble year">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble year">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble year">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble year">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble month">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble month">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble day">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
        <div class="date-numble day">
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
          <div class="segment"></div>
        </div>
      </div>
    </div>
 </div>
</template>
<script>
  export default {
    name:'',
    props:[''],
    data () {
      return {
        digitSegments : [
          [1,2,3,4,5,6],
          [2,3],
          [1,2,7,5,4],
          [1,2,7,3,4],
          [6,7,2,3],
          [1,6,7,3,4],
          [1,6,5,4,3,7],
          [1,2,3], 
          [1,2,3,4,5,6,7],
          [1,2,7,3,6]
        ]
      };
    },
    mounted() {
      var _that = this
      var _hours = document.querySelectorAll('.hours');
      var _minutes = document.querySelectorAll('.minutes');
      var _seconds = document.querySelectorAll('.seconds');
      var _year = document.querySelectorAll('.year');
      var _month = document.querySelectorAll('.month');
      var _day = document.querySelectorAll('.day');
      var date = new Date();
      var years = date.getFullYear(), months = date.getMonth()+1, days = date.getDate(); 
      _that.setNumber(_year[0], Math.floor(years/1000));
      _that.setNumber(_year[1], Math.floor(years/100)%10);
      _that.setNumber(_year[2], Math.floor(years/10)%10);
      _that.setNumber(_year[3], years%10);
      _that.setNumber(_month[0], Math.floor(months/10));
      _that.setNumber(_month[1], months%10);
      _that.setNumber(_day[0], Math.floor(days/10));
      _that.setNumber(_day[1], days%10);
      setInterval(function() {
        var date = new Date();
        var hours = date.getHours(), minutes = date.getMinutes(), seconds = date.getSeconds(); 
        _that.setNumber(_hours[0], Math.floor(hours/10));
        _that.setNumber(_hours[1], hours%10);
        _that.setNumber(_minutes[0], Math.floor(minutes/10));
        _that.setNumber(_minutes[1], minutes%10);
        _that.setNumber(_seconds[0], Math.floor(seconds/10));
        _that.setNumber(_seconds[1], seconds%10);
      }, 1000);      
    },
    methods: {
      //digit 所在元素、number 需要设置的数字
      setNumber(digit, number) {
        var _that = this
        var segments = digit.querySelectorAll('.segment');
        var current = parseInt(digit.getAttribute('data-value'));
        // only switch if number has changed or wasn t set
        if (!isNaN(current) && current != number) {
          // unset previous number
          _that.digitSegments[current].forEach(function(digitSegment, index) {
            setTimeout(function() {
              segments[digitSegment-1].classList.remove('on');
            }, index*45)
          });
        }
        if (isNaN(current) || current != number) {
          // set new number after
          setTimeout(function() {
            _that.digitSegments[number].forEach(function(digitSegment, index) {
              setTimeout(function() {
                segments[digitSegment-1].classList.add('on');
              }, index*45)
            });
          }, 250);
          digit.setAttribute('data-value', number);
        }
      }
    },
    watch: {}
 }
</script>
<style lang='scss' scoped>
  .clock {
    height:140px;
    background:#000;
    position:absolute;
    top:50%;
    left:50%;
    // width:900px;
    margin-left:-450px;
    margin-top:-100px;
    text-align:center;
    .intervalPoint{
      display: inline-block;
      height: 100px;
      .separator {
        width:20px;
        height:20px;
        background:#00DCFF;
        border-radius:50%;
        display:block;
        position:relative;
        margin-bottom: 20px;
      }
    }
    .digit {
      width:80px;
      height:140px;
      margin:0 0px;
      position:relative;
      display:inline-block;
      .segment {
        background:#00DCFF;
        border-radius:5px;
        position:absolute;
        opacity:0.15;
        transition:opacity 0.2s;
        -webkit-transition:opacity 0.2s;
        -ms-transition:opacity 0.2s;
        -moz-transition:opacity 0.2s;
        -o-transition:opacity 0.2s;
      }
      .segment.on, .separator {
        opacity:1;
        box-shadow:0 0 50px rgba(255,0,0,0.7);
        transition:opacity 0s;
        -webkit-transition:opacity 0s;
        -ms-transition:opacity 0s;
        -moz-transition:opacity 0s;
        -o-transition:opacity 0s;
      }
      .segment:nth-child(1) {
          top:10px;
          left:16px;
          right:16px;
          height:10px;
      }
      .segment:nth-child(2) {
        top:20px;
        right:10px;
        width:10px;
        height:75px;
        height:calc(50% - 20px);
      }
      .segment:nth-child(3) {
        bottom:20px;
        right:10px;
        width:10px;
        height:75px;
        height:calc(50% - 20px);
      }
      .segment:nth-child(4) {
        bottom:10px;
        right:16px;
        height:10px;
        left:16px;
      }
      .segment:nth-child(5) {
        bottom:20px;
        left:10px;
        width:10px;
        height:75px;
        height:calc(50% - 20px);
      }
      .segment:nth-child(6) {
        top:20px;
        left:10px;
        width:10px;
        height:75px;
        height:calc(50% - 20px);
      }
      .segment:nth-child(7) {
        bottom:95px;
        bottom:calc(50% - 5px);
        right:19px;
        left:19px;
        height:10px;
      }
    }
    .systemTime-main{
      display: inline-block;
      .systemTime-title{
        background-color: rgb(255, 166, 75);
        font-size: 30px;
        width: 200px;
        text-align: center;
        margin-left: calc(50% - 100px);
      }
      .systemTime-date{
        .date-numble{
          width: 60px;
          height: 100px;
          margin-right: -10px;
          display: inline-block;
          position: relative;
          .segment {
            background:#00DCFF;
            border-radius:5px;
            position:absolute;
            opacity:0.15;
            transition:opacity 0.2s;
            -webkit-transition:opacity 0.2s;
            -ms-transition:opacity 0.2s;
            -moz-transition:opacity 0.2s;
            -o-transition:opacity 0.2s;
          }
          .segment.on, .separator {
            opacity:1;
            box-shadow:0 0 50px rgba(255,0,0,0.7);
            transition:opacity 0s;
            -webkit-transition:opacity 0s;
            -ms-transition:opacity 0s;
            -moz-transition:opacity 0s;
            -o-transition:opacity 0s;
          }
          .segment:nth-child(1) {
              top:10px;
              left:16px;
              right:16px;
              height:10px;
          }
          .segment:nth-child(2) {
            top:20px;
            right:10px;
            width:10px;
            height:75px;
            height:calc(50% - 20px);
          }
          .segment:nth-child(3) {
            bottom:20px;
            right:10px;
            width:10px;
            height:75px;
            height:calc(50% - 20px);
          }
          .segment:nth-child(4) {
            bottom:10px;
            right:16px;
            height:10px;
            left:16px;
          }
          .segment:nth-child(5) {
            bottom:20px;
            left:10px;
            width:10px;
            height:75px;
            height:calc(50% - 20px);
          }
          .segment:nth-child(6) {
            top:20px;
            left:10px;
            width:10px;
            height:75px;
            height:calc(50% - 20px);
          }
          .segment:nth-child(7) {
            bottom:95px;
            bottom:calc(50% - 5px);
            right:19px;
            left:19px;
            height:10px;
          }
        } 
      }
    }
  }
</style>

总结

以上所述是小编给大家介绍的vue 实现LED数字时钟效果（开箱即用），希望对大家有所帮助，如果大家有任何疑问欢迎给我留言，小编会及时回复大家的！

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