aiot-app/components/Step/StepItem.vue

<template>
  <view class="set-2" :class="{ active: active }">
    <view class="set-title">
      <slot name="header"></slot>
    </view>
    <view class="set-content" v-if="hideContent">
      <slot name="content"></slot>
    </view>
  </view>
</template>

<script>
export default {
  name: 'stepItem',
  props: {
    active: {
      type: Boolean,
      default: false
    },
    hideContent: {
      type: Boolean,
      default: true
    }
  },
  data () {
    return {}
  }
}
</script>

<style lang="scss" scoped>
.set-2 {
  padding-left: 30px;
  position: relative;

  .set-content {
    background-color: rgba(242, 242, 242, 1);
    min-height: 100upx;
    border-radius: 10upx;
    padding: 10px;
  }

  .set-title {
    font-size: 32rpx;
    margin-bottom: 10px;
  }

  & + .set-2 {
    margin-top: 20px;
  }
  &.active {
    &::before {
      background: #157a2c;
    }
  }
}

.set-2::after {
  content: '';
  /* 必须存在如果没有图标就留空 */
  top: 10rpx;
  /* 定位 距离*/
  border-left: #c6c6c6 1px solid;
  /* 横线颜色 */
  left: 5px;
  /* 定位 距离*/
  height: calc(100% + 20px);
  /* 高度 */
  position: absolute;
  /* 定位 */
}

.set-2::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  position: absolute;
  left: 0;
  top: 10rpx;
  background: #fff;
  border-radius: 50%;
  z-index: 1;
  border: 1px solid #157a2c;
}

.set-2:last-child::after {
  display: none;
}
</style>