React 遇到的一些知识（Adding...）
字段 ellipsis 意思是 columns 中的当单元格中内容太长，显示… const columns: ColumnsType<FileInfo> = [ { title: '文件名', dataIndex: 'file_name', key: 'file_name', ellipsis: true, render: (text: string) => <Text strong>{text}</Text>, }, { title: '文件大小', dataIndex: 'file_size', key: 'file_size', width: 120, render: (size: number) => formatFileSize(size), }, { title: '上传时间', dataIndex: 'uploaded_at', key: 'uploaded_at', width: 180, render: (date: string) => formatDateTime(date), }, { title: '操作', key: 'actions', width: 220, render: (_, record: FileInfo) => ( <Space size="small"> <Button type="link" icon={<EyeOutlined />} onClick={() => handlePreview(record)} > 预览 </Button> <Button type="link" icon={<DownloadOutlined />} onClick={() => handleDownload(record)} > 下载 </Button> <Button type="link" danger icon={<DeleteOutlined />} onClick={() => handleDelete(record)} > 删除 </Button> </Space> ), }, ];