动态合并 rowSelection, 使用 renderCell 来处理 rowSelection 的单元格合并
const [selectedRows, setSelectedRows] = useState<SaleColumnsType[]>([]); // 勾选列表const rowSelection = {// 自定义单元格renderCell: (checked: any, record: any, index: number, originNode: any) => {return {children: originNode, //显示原来的dom显示props: {//通过属性的配置来做单元格合并,rowNum 为合并几行rowSpan: index % rowNum ? 0 : rowNum,},};},//关联rowKey,不关联的话会导致selectedRows清空时仍然是选中的selectedRowKeys: selectedRows.map((item) => {return item.key;}),// 设置选中项onChange: (__: any, hasSelected: any) => {setSelectedRows(hasSelected);},};<Table rowKey="key" owSelection={rowSelection}></Table>