重写-setSelected:animated:和 -setHighlighted:animated:方法

@property (nonatomic, weak) UIView *lineview;

• (void)setHighlighted:(BOOL)highlighted animated:(BOOL)animated
  {
  [super setHighlighted:highlighted animated:animated];
  self.lineview.backgroundColor = [UIColor b lackColor];
  }

• (void)setSelected:(BOOL)selected animated:(BOOL)animated
  {
  [super setSelected:selected animated:animated];
  self.lineview.backgroundColor = [UIColor blackColor];
  }