//UITableView的ADD

// NSString *name = @"new";

//NSInteger section = indexPath.section;

NSMutableArray *newArray = [dataArray objectAtIndex:indexPath.section];

[newArray addObject:dataArray [indexPath.section] [indexPath.row]];

//NSInteger row =  newArray.count - 1;

NSIndexPath *path = [NSIndexPath indexPathForRow:newArray.count- 1 inSection:indexPath.section];

[tableView insertRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationFade];

//UITableView的DELETE

NSMutableArray *lastArray =dataArray[indexPath.section];

if(lastArray.count> 0) {

[lastArray removeObjectAtIndex:indexPath.row];

}

[tableView reloadData];

设置自动滚动

NSIndexPath  path = [NSIndexPath indexPathForRow:dataArray.count- 1 inSection:0];

[tables crollToRowAtIndexPath:path atScrollPosition:UITableViewScrollPositionBottom animated:YES];