未悬浮效果

悬浮效果

如果仅仅是添加绝对定位，那么遇到白色图片，就会看不到白色字体。通过遮罩（绝对定位+透明度）就可以解决这个问题。

<script setup>
</script>

<template>
  <div class="box">
    <el-image class="img" src="/public/p1.png"/>
    <div class="mask">
      <div>删除</div>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.box {
  height: 100px;
  width: 100px;
  position: relative;
  margin: 100px auto;

  .img {
    width: 100%;
    height: 100%;
  }

  .mask {
    height: 100%;
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity .5s ease-in-out;
    cursor: pointer;
    color: #ffffff;
  }

  &:hover .mask {
    opacity: 1;
  }
}
</style>