只需在添加单元格后调用表格视图的selectRowAtIndexPath:animated:scrollPosition:方法,假设单元格添加在第 0 节的索引 0 中:
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];
[tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewRowAnimationTop]