vue 2.5已淘汰的語法

<base-layout>
  <template slot="header">
    <h1>Here might be a page title</h1>
  </template>

  <p>A paragraph for the main content.</p>
  <p>And another one.</p>

  <template slot="footer">
    <p>Here's some contact info</p>
  </template>
</base-layout>

  <base-layout>
  <h1 slot="header">Here might be a page title</h1>

  <p>A paragraph for the main content.</p>
  <p>And another one.</p>

  <p slot="footer">Here's some contact info</p>
</base-layout>

具名插槽vue 2.6+語法展示（Vue 3支持）

      <template v-slot:item-icon> <!-- 注意和廢棄語法slot="header"對比 -->
        <i class="iconfont icon-shouye"></i><!-- v-slot不能直接寫在標簽上，必須寫在template，否則渲染不出來 -->
      </template>
      <template v-slot:item-text><!-- 注意和廢棄語法slot="header"對比 -->
        <p>首頁</p>
      </template>

    <slot name="item-icon"></slot>
    <slot name="item-text"></slot>