一、上效果图：

效果图

二、上代码：

<template>
  <!--content begin-->
  <div class="ub ub-f1 ub-ver">
    <div class="ub ub-f1">
      <div class="ub ub-f1">耗时<span> *</span></div>
      <div>{{rangeTime}} 小时</div>
    </div>
    <div class="ub ub-f1 ub-ver range">
      <div class="ub ub-f1 ub-ac ub-pc">
        <div class="ub ub-f1 range-bar" :style="{'background-size': rangeSpeed + ' 100%'}"></div>
        <div class="range-thumb" :style="{'left': rangeSpeed}"></div>
      </div>
      <input class="ub-fh uabs-hide" :style="{'background-size': rangeSpeed + ' 100%'}" @input="changeSpeed" v-model="rangeTime" type="range" :min="rangeMin" :max="rangeMax" step="0.5" />
    </div>
    <div class="ub ub-f1">
      <div v-for='val,idx in (rangeMax-rangeMin)' class="uabs-tr sc-text" :style="{'left': (idx/rangeMax)*100 + '%'}">{{idx}}</div>
      <div class="uabs-tr sc-text">{{rangeMax}}</div>
    </div>
  </div>
  <!--content end-->
</template>
<script>
export default {
  name: 'range',
  data() {
    return {
      rangeMax: 8,
      rangeMin: 0,
      rangeTime: 4,
      rangeSpeed: '50%',
    }
  },
  mounted() {
    this.changeSpeed();
  },
  methods: {
    changeSpeed: function() {
      var value = this.rangeTime;
      var rangeMax = this.rangeMax;
      var precent = (value / rangeMax) * 100;
      this.rangeSpeed = precent + "%";
    }
  },
}

</script>
<style>
.ub {
  display: -webkit-box !important;
  display: box !important;
  position: relative;
}


.ub-ac {
  -webkit-box-align: center;
  box-align: center;
}


.ub-pc {
  -webkit-box-pack: center;
  box-pack: center;
}

.ub-ver {
  -webkit-box-orient: vertical;
  box-orient: vertical;
}

.ub-f1 {
  position: relative;
  -webkit-box-flex: 1;
  box-flex: 1;
}

.uabs-tr {
  position: absolute;
  right: 0;
  top: 0;
  z-index: 100;
}

.uabs-hide {
  position: absolute !important;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 0;
  z-index: 100;
}

.range {
  height: 20px;
  padding: 5px 0;
}

.range-bar {
  border: 1px solid #108EE9;
  border-radius: 7px;
  height: 7px;
  background: -webkit-linear-gradient(#108EE9, #108EE9) no-repeat, #fff;
  background-size: 30% 100%;
}

.range-thumb {
  position: absolute;
  top: 0;
  bottom: 0;
  margin-bottom: 10px;
  margin-left: -10px;
  height: 20px;
  width: 20px;
  background: #fff;
  border-radius: 50%;
  border: solid 1px #ff9000;
}

</style>

如有疑问请直接留言