ant-design-vue/components/table/demo/row-selection-custom.md

<cn>
#### 自定义选择项
通过 `rowSelection.selections` 自定义选择项，默认不显示下拉选项，设为 `true` 时显示默认选择项。
</cn>

<us>
#### Custom selection
Use `rowSelection.selections` custom selections, default no select dropdown, show default selections via setting to `true`.
</us>

```tpl
<template>
  <a-table :rowSelection="rowSelection" :columns="columns" :dataSource="data" />
</template>
<script>
  const columns = [
    {
      title: 'Name',
      dataIndex: 'name',
    },
    {
      title: 'Age',
      dataIndex: 'age',
    },
    {
      title: 'Address',
      dataIndex: 'address',
    },
  ];

  const data = [];
  for (let i = 0; i < 46; i++) {
    data.push({
      key: i,
      name: `Edward King ${i}`,
      age: 32,
      address: `London, Park Lane no. ${i}`,
    });
  }

  export default {
    data() {
      return {
        data,
        columns,
        selectedRowKeys: [], // Check here to configure the default column
      };
    },
    computed: {
      rowSelection() {
        const { selectedRowKeys } = this;
        return {
          selectedRowKeys,
          onChange: this.onSelectChange,
          hideDefaultSelections: true,
          selections: [
            {
              key: 'all-data',
              text: 'Select All Data',
              onSelect: () => {
                this.selectedRowKeys = [...Array(46).keys()]; // 0...45
              },
            },
            {
              key: 'odd',
              text: 'Select Odd Row',
              onSelect: changableRowKeys => {
                let newSelectedRowKeys = [];
                newSelectedRowKeys = changableRowKeys.filter((key, index) => {
                  if (index % 2 !== 0) {
                    return false;
                  }
                  return true;
                });
                this.selectedRowKeys = newSelectedRowKeys;
              },
            },
            {
              key: 'even',
              text: 'Select Even Row',
              onSelect: changableRowKeys => {
                let newSelectedRowKeys = [];
                newSelectedRowKeys = changableRowKeys.filter((key, index) => {
                  if (index % 2 !== 0) {
                    return true;
                  }
                  return false;
                });
                this.selectedRowKeys = newSelectedRowKeys;
              },
            },
          ],
          onSelection: this.onSelection,
        };
      },
    },
    methods: {
      onSelectChange(selectedRowKeys) {
        console.log('selectedRowKeys changed: ', selectedRowKeys);
        this.selectedRowKeys = selectedRowKeys;
      },
    },
  };
</script>
```