在自定义单元格类中为表单元格创建一个自定义单元格。M把下面的代码，它会工作的很好。你需要把想要的颜色图像放在选择背景UIImage中。

- (void)setSelected:(BOOL)selected animated:(BOOL)animated
{
    UIImage *selectionBackground = [UIImage imageNamed:@"yellow_bar.png"];
    UIImageView *iview=[[UIImageView alloc] initWithImage:selectionBackground];
    self.selectedBackgroundView=iview;
}

I've got a slightly different approach than everyone else that reflects the selection on touch rather than after being selected. I have a subclassed UITableViewCell. All you have to do is set the background color in the touch events, which simulates selection on touch, and then set the background color in the setSelected function. Setting the background color in the selSelected function allows for deselecting the cell. Make sure to pass the touch event to the super, otherwise the cell won't actually act as if its selected.

override func touchesBegan(touches: NSSet, withEvent event: UIEvent) {
    self.backgroundColor = UIColor(white: 0.0, alpha: 0.1)
    super.touchesBegan(touches, withEvent: event)
}

override func touchesCancelled(touches: NSSet!, withEvent event: UIEvent!) {
    self.backgroundColor = UIColor.clearColor()
    super.touchesCancelled(touches, withEvent: event)
}

override func setSelected(selected: Bool, animated: Bool) {
    super.setSelected(selected, animated: animated)

    // Configure the view for the selected state
    self.backgroundColor = selected ? UIColor(white: 0.0, alpha: 0.1) : UIColor.clearColor()
}

再一个提示基督教的方式显示圆角背景分组表。

如果我为单元格使用cornerRadius = 10，它会显示四个角的圆角选择背景。这和表格视图的默认UI不一样。

所以，我想用简单的方法来解决它。 正如你可以从下面的代码中看到的，检查单元格的位置(顶部，底部，中间或顶部底部)，并添加更多的子层来隐藏顶部角或底部角。这只是显示了与默认表视图的选择背景完全相同的外观。

我用iPad splitterview测试了这段代码。你可以根据需要改变patchLayer的帧位置。

请让我知道是否有更简单的方法来达到同样的效果。

if (tableView.style == UITableViewStyleGrouped) 
{
    if (indexPath.row == 0) 
    {
        cellPosition = CellGroupPositionAtTop;
    }    
    else 
    {
        cellPosition = CellGroupPositionAtMiddle;
    }

    NSInteger numberOfRows = [tableView numberOfRowsInSection:indexPath.section];
    if (indexPath.row == numberOfRows - 1) 
    {
        if (cellPosition == CellGroupPositionAtTop) 
        {
            cellPosition = CellGroupPositionAtTopAndBottom;
        } 
        else 
        {
            cellPosition = CellGroupPositionAtBottom;
        }
    }

    if (cellPosition != CellGroupPositionAtMiddle) 
    {
        bgColorView.layer.cornerRadius = 10;
        CALayer *patchLayer;
        if (cellPosition == CellGroupPositionAtTop) 
        {
            patchLayer = [CALayer layer];
            patchLayer.frame = CGRectMake(0, 10, 302, 35);
            patchLayer.backgroundColor = YOUR_BACKGROUND_COLOR;
            [bgColorView.layer addSublayer:patchLayer];
        } 
        else if (cellPosition == CellGroupPositionAtBottom) 
        {
            patchLayer = [CALayer layer];
            patchLayer.frame = CGRectMake(0, 0, 302, 35);
            patchLayer.backgroundColor = YOUR_BACKGROUND_COLOR;
            [bgColorView.layer addSublayer:patchLayer];
        }
    }
}

如果你有一个分组表，每个部分只有一个单元格，只需在代码中添加额外的一行: bgColorView.layer.cornerRadius = 10;

UIView *bgColorView = [[UIView alloc] init];
[bgColorView setBackgroundColor:[UIColor redColor]];
bgColorView.layer.cornerRadius = 10;
[cell setSelectedBackgroundView:bgColorView];
[bgColorView release]; 

不要忘记导入QuartzCore。

如果你正在使用一个自定义的TableViewCell，你也可以覆盖awakeFromNib:

override func awakeFromNib() {
    super.awakeFromNib()

    // Set background color
    let view = UIView()
    view.backgroundColor = UIColor.redColor()
    selectedBackgroundView = view
}

单元格选择的背景颜色可以通过界面构建器中的Storyboard设置: