CALayer分类

@interface CALayer (IBConfiguration)

@property(nonatomic, assign) UIColor* borderIBColor;
@property(nonatomic, assign) UIColor* shadowIBColor;
@property(nonatomic, assign) UIColor* selectedColor;

@end

#import "CALayer+RuntimeAttribute.h"

@implementation CALayer (IBConfiguration)

-(void)setBorderIBColor:(UIColor*)color
{
self.borderColor = color.CGColor;
}

-(UIColor*)borderIBColor
{
return [UIColor colorWithCGColor:self.borderColor];
}

-(void)setShadowIBColor:(UIColor*)color
{
self.shadowColor = color.CGColor;
}

-(UIColor*)shadowIBColor
{
return [UIColor colorWithCGColor:self.shadowColor];
}

-(void)setSelectedColor:(UIColor*)color
{
self.backgroundColor = color.CGColor;
}

-(UIColor*)selectedColor
{
return [UIColor colorWithCGColor:self.backgroundColor];
}

@end