ant-design-vue/antdv-demo/docs/radio/demo/size.md

#### 大小 大中小三种组合，可以和表单输入框进行对应配合。 #### size There are three sizes available: large, medium, and small. It can coordinate with input box.

<template>
  <div>
    <div>
      <a-radio-group default-value="a" size="large">
        <a-radio-button value="a">
          Hangzhou
        </a-radio-button>
        <a-radio-button value="b">
          Shanghai
        </a-radio-button>
        <a-radio-button value="c">
          Beijing
        </a-radio-button>
        <a-radio-button value="d">
          Chengdu
        </a-radio-button>
      </a-radio-group>
    </div>
    <div :style="{ marginTop: '16px' }">
      <a-radio-group default-value="a">
        <a-radio-button value="a">
          Hangzhou
        </a-radio-button>
        <a-radio-button value="b">
          Shanghai
        </a-radio-button>
        <a-radio-button value="c">
          Beijing
        </a-radio-button>
        <a-radio-button value="d">
          Chengdu
        </a-radio-button>
      </a-radio-group>
    </div>
    <div :style="{ marginTop: '16px' }">
      <a-radio-group default-value="a" size="small">
        <a-radio-button value="a">
          Hangzhou
        </a-radio-button>
        <a-radio-button value="b">
          Shanghai
        </a-radio-button>
        <a-radio-button value="c">
          Beijing
        </a-radio-button>
        <a-radio-button value="d">
          Chengdu
        </a-radio-button>
      </a-radio-group>
    </div>
  </div>
</template>