css动画极简体验 笔记

<style>
  .input-field {
    margin-bottom: 0px;
    transition: margin-bottom 0.5s ease;
  }
  .input-field.focus {
    margin-bottom: 150px;
  }
</style>

接着在style动态绑定 爽！

:style="`transition: margin-bottom 0.5s ease;margin-bottom: ${van_goods_margin_bottom}px;`" >