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怎么在vue中實現(xiàn)一個LED數(shù)字時鐘效果-創(chuàng)新互聯(lián)

本篇文章為大家展示了怎么在vue中實現(xiàn)一個LED數(shù)字時鐘效果，內容簡明扼要并且容易理解，絕對能使你眼前一亮，通過這篇文章的詳細介紹希望你能有所收獲。

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實現(xiàn)思路

每一個數(shù)字由七個元素構成，即每一個segment元素。0~9 的數(shù)字都有自己的構成方式，用數(shù)組表示，即digitSegments數(shù)組。例如：

怎么在vue中實現(xiàn)一個LED數(shù)字時鐘效果 

數(shù)字0用數(shù)組表示就是[1,2,3,4,5,6]，定時器每隔一秒獲取最新時間，然后通過改變透明度將之前的數(shù)字消失，顯示最新的數(shù)字。通過transition展示動態(tài)效果。

代碼細節(jié)

setNumber 方法用來設置數(shù)字 ，方法中第一個判斷用于清除之前顯示的數(shù)字，第二個判斷用于顯示最新的數(shù)字，當初始化時間時，會進第二個判斷。樣式有些丑，可以自己修改，年月日 的顯示也可使用 正常的數(shù)字顯示。

實現(xiàn)代碼

<!--
 * @Author: mat
 * @Date: 2019-12-04 14:56:07
 * @LastEditTime: 2019-12-05 17:27:36
 * @LastEditors: Please set LastEditors
 * @Description: 實現(xiàn)LED數(shù)字時鐘
 -->
<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">系統(tǒng)時間</p>
      <!-- <p >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 需要設置的數(shù)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>

上述內容就是怎么在vue中實現(xiàn)一個LED數(shù)字時鐘效果，你們學到知識或技能了嗎？如果還想學到更多技能或者豐富自己的知識儲備，歡迎關注創(chuàng)新互聯(lián)行業(yè)資訊頻道。

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