渐变色

@interface MemberShipCardItem()

@property (assign,nonatomic)CGPoint startPoint;

@property (assign,nonatomic)CGPoint endPoint;

@property (strong,nonatomic)UIColor *startColor;

@property (strong,nonatomic)UIColor *endColor;

@end

   

- (void)awakeFromNib {

 渐变色

    _startPoint = CGPointMake(0, 0);

    _endPoint = CGPointMake(1, 1);

    _startColor = [UIColor whiteColor];

    _endColor = [UIColor grayColor];

    CAGradientLayer *layer = [CAGradientLayer layer];

    layer.startPoint = _startPoint;

    layer.endPoint = _endPoint;

    layer.frame = self.contentView.bounds;

    layer.colors = @[(__bridge id)_startColor.CGColor,(__bridge id)_endColor.CGColor];

    [self.contentView.layer addSublayer:layer];

}