//1、 是否支持移动
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
{
    return YES;
}
//2、 移动行操作
-(void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath{
// 这里其实就是数组中两个变量交换位置的过程 id object = [self.dataArray objectAtIndex:fromIndexPath.row];
    
    [self.dataArray removeObjectAtIndex:fromIndexPath.row];
    
    [self.dataArray insertObject:object atIndex:toIndexPath.row];
}

cell侧滑

- (NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath{
    NSString *topTitle ,*readTitle;
    XZGroup *group  = self.dataArray[indexPath.row];
    topTitle  = group.isTop ? @"取消置顶" : @"置顶";
    readTitle = group.unReadCount ? @"标为已读" : @"标为未读";
    //设置删除按钮
    UITableViewRowAction * deleteRowAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDefault title:@"删除" handler:^(UITableViewRowAction * _Nonnull action, NSIndexPath * _Nonnull indexPath) {
        [self deleteLocalGroupWithIndexPath:indexPath];
    }];
    //置顶
    UITableViewRowAction * topRowAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDefault title:topTitle handler:^(UITableViewRowAction * _Nonnull action, NSIndexPath * _Nonnull indexPath) {
        [self setTopCellWithIndexPath:indexPath currentTop:group.isTop];
    }];
    //标记已读
    UITableViewRowAction * collectRowAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDefault title:readTitle handler:^(UITableViewRowAction * _Nonnull action, NSIndexPath * _Nonnull indexPath) {
        [self markerReadWithIndexPath:indexPath currentUnReadCount:group.unReadCount];
    }];
    collectRowAction.backgroundColor = [UIColor grayColor];
    topRowAction.backgroundColor     = [UIColor orangeColor];
    return  @[deleteRowAction,topRowAction,collectRowAction];
}