ant-design-vue/components/input/demo/addon.md

#### 前置/后置标签 用于配置一些固定组合。 #### Pre / Post tab Using pre & post tabs example.

<template>
  <div>
    <div style="margin-bottom: 16px">
      <a-input addonBefore="Http://" addonAfter=".com" defaultValue="mysite" />
    </div>
    <div style="margin-bottom: 16px">
      <a-input defaultValue="mysite">
        <a-select slot="addonBefore" defaultValue="Http://" style="width: 90px">
          <a-select-option value="Http://">Http://</a-select-option>
          <a-select-option value="Https://">Https://</a-select-option>
        </a-select>
        <a-select slot="addonAfter" defaultValue=".com" style="width: 80px">
          <a-select-option value=".com">.com</a-select-option>
          <a-select-option value=".jp">.jp</a-select-option>
          <a-select-option value=".cn">.cn</a-select-option>
          <a-select-option value=".org">.org</a-select-option>
        </a-select>
      </a-input>
    </div>
    <div style="margin-bottom: 16px">
      <a-input defaultValue="mysite">
        <a-icon slot="addonAfter" type="setting"/>
      </a-input>
    </div>
  </div>
</template>