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商家详情-商品个数计步器实现

Stepper

<style scoped lang='scss'>
.stepper-container {
  display: flex;
  align-items: center;
  .substract {
    background-image: url("data:image/png;base64,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");
  }
  .add {
    background-image: url("http://s3plus.meituan.net/v1/mss_e2821d7f0cfe4ac1bf9202ecf9590e67/cdn-prod/file:9096d347/318c525df8eba9c557594305c44b2ddf.png");
  }
  .step-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 50%;
    display: inline-block;
  }
}
</style>

<template>
  <div class="stepper-container">
    <span
      class="substract step-btn"
      v-show="value > 0"
      @click.stop="substractClick"
    ></span>
    <span class="text" v-show="value > 0">{{ value }}</span>
    <span class="add step-btn" @click.stop="addClick"></span>
  </div>
</template>

<script>
export default {
  name: "stepper",
  data() {
    return {
      value: 0,
    };
  },
  components: {},
  methods: {
    substractClick() {
      this.value -= 1;
    },
    addClick() {
      this.value += 1;
    },
  },
};
</script>

<div class="goods-info-bottom">
                      <div class="price">
                        ￥{{goods.price}}
                      </div>
                      <stepper></stepper>
</div>

.goods-info-bottom{
            display: flex;
            justify-content: space-between;
            align-items: center;
            .price{
              color: #fb4e44;
              font-size: 16px;
              font-weight: 700;
            }
          }

效果图