ant-design-vue/components/badge/demo/overflow.md

#### 封顶数字 超过 `overflowCount` 的会显示为 `${overflowCount}+`，默认的 `overflowCount` 为 `99`。 #### Overflow Count `${overflowCount}+` is displayed when count is larger than `overflowCount`. The default value of `overflowCount` is `99`.

<template>
  <a-badge count=99>
    <a href="#" class="head-example"></a>
  </a-badge>
  <a-badge count=100>
    <a href="#" class="head-example"></a>
  </a-badge>
  <a-badge count=99 overflowCount=10>
    <a href="#" class="head-example"></a>
  </a-badge>
  <a-badge count=1000 overflowCount=999>
    <a href="#" class="head-example"></a>
  </a-badge>
</template>