ant-design-vue/components/auto-complete/demo/options.md

#### 自定义选项 也可以直接传递slot="dataSource"的Option #### Customized You could pass `slot="dataSource` as children of `AutoComplete`, instead of using `dataSource`。

<template>
  <a-auto-complete style="width: 200px" @search="handleSearch" placeholder="input here">
    <template slot="dataSource">
      <a-select-option v-for="email in result" :key="email">{{email}}</a-select-option>
    </template>
  </a-auto-complete>
</template>
<script>
  export default {
    data() {
      return {
        result: [],
      };
    },
    methods: {
      handleSearch(value) {
        let result;
        if (!value || value.indexOf('@') >= 0) {
          result = [];
        } else {
          result = ['gmail.com', '163.com', 'qq.com'].map(domain => `${value}@${domain}`);
        }
        this.result = result;
      },
    },
  };
</script>