UITableView-（单元格的自定义方法）

//contentView

//行内容
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    //从重用队列中取出闲置单元格
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    //判断cell是否为nil
    if (cell == nil) {
        //创建单元格的时候，要确保重用标示符跟获取闲置单元格的时候一致
        cell = [[UITableViewCell alloc] initWithStyle:indexPath.row %  reuseIdentifier:identifier];
        //添加右边的图标
        UIImageView *iconView = [[UIImageView alloc] initWithFrame:CGRectMake(CGRectGetWidth(tableView.frame) -  - , , , )];
        [cell.contentView addSubview:iconView];
        iconView.tag = ;

        //添加左边的标题Label
        UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(, , CGRectGetWidth(cell.frame) - , )];
        [cell.contentView addSubview:titleLabel];
        titleLabel.tag = ;
    }

    UIImageView *iconView = [cell.contentView viewWithTag:];
    UILabel *titleLabel = [cell.contentView viewWithTag:];

    //设置内容
    NSString *iconName = [NSString stringWithFormat:@"icon%ld.jpg",indexPath.row % ];
    iconView.image = [UIImage imageNamed:iconName];

    titleLabel.text = self.datas[indexPath.row];

    return cell;

}