ant-design-vue/components/transfer/demo/search.md

<cn>
#### 带搜索框
带搜索框的穿梭框，可以自定义搜索函数。
</cn>

<us>
#### Search
Transfer with a search box.
</us>

```html
<template>
  <a-transfer
    :dataSource="mockData"
    showSearch
    :filterOption="filterOption"
    :targetKeys="targetKeys"
    @change="handleChange"
    @search="handleSearch"
    :render="item=>item.title"
  >
  </a-transfer>
</template>
<script>
export default {
  data () {
    return {
      mockData: [],
      targetKeys: [],
    }
  },
  mounted() {
    this.getMock()
  },
  methods: {
    getMock() {
      const targetKeys = [];
      const mockData = [];
      for (let i = 0; i < 20; i++) {
        const data = {
          key: i.toString(),
          title: `content${i + 1}`,
          description: `description of content${i + 1}`,
          chosen: Math.random() * 2 > 1,
        };
        if (data.chosen) {
          targetKeys.push(data.key);
        }
        mockData.push(data);
      }
      this.mockData = mockData
      this.targetKeys = targetKeys
    },
    filterOption(inputValue, option) {
      return option.description.indexOf(inputValue) > -1;
    },
    handleChange(targetKeys, direction, moveKeys) {
      console.log(targetKeys, direction, moveKeys);
      this.targetKeys = targetKeys
    },
    handleSearch (dir, value) {
      console.log('search:', dir, value);
    },
  },
}
</script>
```