mky-vent-base/src/views/vent/comment/components/fourBorderBg.vue

<template>
  <div class="win">
    <!-- 四个角的边框效果 -->
    <div class="border_corner border_corner_left_top"></div>
    <div class="border_corner border_corner_right_top"></div>
    <div class="border_corner border_corner_left_bottom"></div>
    <div class="border_corner border_corner_right_bottom"></div>
    <div class="main">
      <!-- 这里写内容 -->
      <slot></slot>
    </div>
  </div>
</template>
<script lang="ts">
  import { defineComponent } from 'vue';
  export default defineComponent({
    name: 'FourBorderBg',
  });
</script>

<style lang="less" scoped>
  .win {
    margin: 20px;
    position: relative;
    display: inline-block;
  }
  .main {
    min-width: 60px;
    border: 1px solid #3df6ff66;
    border-radius: 2px;
    background-color: #001d3055;
    backdrop-filter: blur(8px);
    box-shadow: 0 0 10px #333;
    padding: 5px 8px;
    color: #ffffffee;
    overflow-x: hidden;
  }
  .border_corner {
    z-index: 2500;
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: rgba(0, 0, 0, 0);
    border: 2px solid #3df6ff;
  }
  .border_corner_left_top {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
    border-top-left-radius: 2px;
  }
  .border_corner_right_top {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
    border-top-right-radius: 2px;
  }
  .border_corner_left_bottom {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
    border-bottom-left-radius: 2px;
  }
  .border_corner_right_bottom {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
    border-bottom-right-radius: 2px;
  }
</style>