<template>
  <div>
    <a href="javascript:;" class="filea">
      选择文件
      <input type="file">
    </a>
  </div>
</template>

<script>
export default {

}
</script>

<style scoped>
  .filea {
    position: relative;
    display: inline-block;
    background: pink;
    border: 1px solid pink;
  }
  .filea input {
    position: absolute;
    top: 0;
    right: 0;
    opacity: 0;
  }
</style>