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

<cn>
#### 基本用法
最基本的用法，展示了 `dataSource`、`targetKeys`、每行的渲染函数 `render` 以及回调函数 `change` `selectChange` `scroll` 的用法。
</cn>

<us>
#### Basic
The most basic usage of `Transfer` involves providing the source data and target keys arrays, plus the rendering and some callback functions.
</us>

```tpl
<template>
  <div>
    <a-transfer
      :dataSource="mockData"
      :titles="['Source', 'Target']"
      :targetKeys="targetKeys"
      :selectedKeys="selectedKeys"
      @change="handleChange"
      @selectChange="handleSelectChange"
      @scroll="handleScroll"
      :render="item=>item.title"
      :disabled="disabled"
    />
    <a-switch
      unCheckedChildren="enabled"
      checkedChildren="disabled"
      :checked="disabled"
      @change="handleDisable"
      style="margin-top: 16px"
    />
  </div>
</template>
<script>
  export default {
    data() {
      const mockData = [];
      for (let i = 0; i < 20; i++) {
        mockData.push({
          key: i.toString(),
          title: `content${i + 1}`,
          description: `description of content${i + 1}`,
          disabled: i % 3 < 1,
        });
      }

      const oriTargetKeys = mockData.filter(item => +item.key % 3 > 1).map(item => item.key);
      return {
        mockData,
        targetKeys: oriTargetKeys,
        selectedKeys: ['1', '4'],
        disabled: false,
      };
    },
    methods: {
      handleChange(nextTargetKeys, direction, moveKeys) {
        this.targetKeys = nextTargetKeys;

        console.log('targetKeys: ', nextTargetKeys);
        console.log('direction: ', direction);
        console.log('moveKeys: ', moveKeys);
      },
      handleSelectChange(sourceSelectedKeys, targetSelectedKeys) {
        this.selectedKeys = [...sourceSelectedKeys, ...targetSelectedKeys];

        console.log('sourceSelectedKeys: ', sourceSelectedKeys);
        console.log('targetSelectedKeys: ', targetSelectedKeys);
      },
      handleScroll(direction, e) {
        console.log('direction:', direction);
        console.log('target:', e.target);
      },
      handleDisable(disabled) {
        this.disabled = disabled;
      },
    },
  };
</script>
```