纯CSS实现星级评分

关键点在于，使用Id+lable的形式扩大radio的触发范围，再通过radio的:checked伪类和 ~ [兄弟选择符，位置无须紧邻，只须同层级，A~B 选择A元素之后所有同层级B元素。]来实现样式，通过v-model和value属性将选中的radio值赋值给SCORE属性

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<template>
  <div>
    评分：
    <div class="starBar iconfont">
      <input class="starInput" id="star1" name="star" type="radio" v-model="score" :value="5">
      <label class="star icon-star" for="star1"></label>
      <input class="starInput" id="star2" name="star" type="radio" v-model="score" :value="4">
      <label class="star icon-star" for="star2"></label>
      <input class="starInput" id="star3" name="star" type="radio" v-model="score" :value="3">
      <label class="star icon-star" for="star3"></label>
      <input class="starInput" id="star4" name="star" type="radio" v-model="score" :value="2">
      <label class="star icon-star" for="star4"></label>
      <input class="starInput" id="star5" name="star" type="radio" v-model="score" :value="1">
      <label class="star icon-star" for="star5"></label>
    </div>
  </div>
</template>

<script>
export default {
  data: () => {
    return {
      score: 0
    }
  }
}
</script>

<style scoped>
.star{
  display: inline-block;
  color: #a0a0a0;
  margin-right: 10px;
}
.star::before{
  content: "\e7df";
}
.starInput{
  display: none;
}
.starInput:checked ~ .star{
  color: pink;
}
.starInput:checked ~ .star::before{
  content: "\e86a";
}
.starBar{
  font-size: 40px;
  line-height: 40px;
  display: inline-block;
  transform: rotateY(180deg);
}

@font-face {
  font-family: "iconfont"; /* Project id 3224891 */
  src: url('//at.alicdn.com/t/font_3224891_trnlrhy5r4.woff2?t=1646558632163') format('woff2'),
       url('//at.alicdn.com/t/font_3224891_trnlrhy5r4.woff?t=1646558632163') format('woff'),
       url('//at.alicdn.com/t/font_3224891_trnlrhy5r4.ttf?t=1646558632163') format('truetype');
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 24px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
</style>