iOS：改变UITableViewCell的选中背景色

// 设置cell选中的背景色
UIView *selectionColor = [[UIView alloc] init];
selectionColor.backgroundColor = [UIColor colorWithRed:(2/255.0)
                                                 green:(94/255.0)
                                                  blue:(130/255.0)
                                                 alpha:1];
cell.selectedBackgroundView = selectionColor;