- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue2 reuseIdentifier:nil];        // 设置cell右边指示器的类型    if (indexPath.row % 2 == 0) {        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;    }        cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;    cell.accessoryView = [[UISwitch alloc] init];        // 设置背景(背景view不用设置尺寸, backgroundView的优先级 > backgroundColor)    UIImageView *bgView = [[UIImageView alloc] init];    bgView.image = [UIImage imageNamed:@"buttondelete"];//    bgView.backgroundColor = [UIColor redColor];    cell.backgroundView = bgView;        UIView *selectedbgView = [[UIView alloc] init];    selectedbgView.backgroundColor = [UIColor greenColor];    cell.selectedBackgroundView = selectedbgView;    return cell;}