UIView *bgView = [[UIView alloc]initWithFrame:programCell.bg_View.bounds];
    bgView.backgroundColor = [UIColor greenColor];
    
    Cell.selectedBackgroundView = bgView;

//在cell文件中实现下面的两个方法
//在下面的两个方法中分别设置Label的背景色
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];
    // Configure the view for the selected state
    
    _deadline_Label.backgroundColor = GrayBGColor;
    
}

-(void)setHighlighted:(BOOL)highlighted animated:(BOOL)animated
{
    [super setHighlighted:highlighted animated:animated];
   
    _deadline_Label.backgroundColor = GrayBGColor;
    
 
}