.h 文件
#import <UIKit/UIKit.h>
@interface UIView (LGFGSView)
#pragma mark - 控件唯一名字(通常用于确定某一个特殊的view)
@property (copy, nonatomic) IBInspectable NSString *lgf_ViewName;
#pragma mark - 圆角
@property (assign , nonatomic) IBInspectable CGFloat lgf_CornerRadius;
#pragma mark - 边框颜色
@property (strong , nonatomic) IBInspectable UIColor *lgf_BorderColor;
#pragma mark - 边框宽度
@property (assign , nonatomic) IBInspectable CGFloat lgf_BorderWidth;
#pragma mark - 阴影颜色
@property (strong , nonatomic) IBInspectable UIColor *lgf_ShadowColor;
#pragma mark - 阴影圆角
@property (assign , nonatomic) IBInspectable CGFloat lgf_ShadowRadius;
#pragma mark - 阴影偏移量
@property (assign , nonatomic) IBInspectable CGSize lgf_ShadowOffset;
#pragma mark - 阴影透明度
@property (assign , nonatomic) IBInspectable float lgf_ShadowOpacity;
@end
.m 文件
#import "UIView+LGFGSView.h"
#import <objc/runtime.h>
static const char *lgf_ViewNameKey = "lgf_ViewNameKey";
static const char *lgf_CornerRadiusKey = "lgf_CornerRadiusKey";
static const char *lgf_BorderColorKey = "lgf_BorderColorKey";
static const char *lgf_BorderWidthKey = "lgf_BorderWidthKey";
static const char *lgf_ShadowColorKey = "lgf_ShadowColorKey";
static const char *lgf_ShadowRadiusKey = "lgf_ShadowRadiusKey";
static const char *lgf_ShadowOffsetKey = "lgf_ShadowOffsetKey";
static const char *lgf_ShadowOpacityKey = "lgf_ShadowOpacityKey";
@implementation UIView (LGFGSView)
@dynamic lgf_ViewName;
@dynamic lgf_CornerRadius;
@dynamic lgf_BorderColor;
@dynamic lgf_BorderWidth;
@dynamic lgf_ShadowColor;
@dynamic lgf_ShadowRadius;
@dynamic lgf_ShadowOffset;
@dynamic lgf_ShadowOpacity;
#pragma mark - 控件唯一名字(通常用于确定某一个特殊的view)
- (NSString *)lgf_ViewName {
return objc_getAssociatedObject(self, lgf_ViewNameKey);
}
- (void)setLgf_ViewName:(NSString *)lgf_ViewName {
objc_setAssociatedObject(self, lgf_ViewNameKey, lgf_ViewName, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
#pragma mark - 圆角
- (CGFloat)lgf_CornerRadius {
return [objc_getAssociatedObject(self, lgf_CornerRadiusKey) floatValue];
}
- (void)setLgf_CornerRadius:(CGFloat)lgf_CornerRadius {
objc_setAssociatedObject(self, lgf_CornerRadiusKey, [NSNumber numberWithFloat:lgf_CornerRadius], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.cornerRadius = lgf_CornerRadius;
}
#pragma mark - 边框颜色
- (UIColor *)lgf_BorderColor {
return objc_getAssociatedObject(self, lgf_BorderColorKey);
}
- (void)setLgf_BorderColor:(UIColor *)lgf_BorderColor {
objc_setAssociatedObject(self, lgf_BorderColorKey, lgf_BorderColor, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.borderColor = lgf_BorderColor.CGColor;
}
#pragma mark - 边框宽度
- (CGFloat)lgf_BorderWidth {
return [objc_getAssociatedObject(self, lgf_BorderWidthKey) floatValue];
}
- (void)setLgf_BorderWidth:(CGFloat)lgf_BorderWidth {
objc_setAssociatedObject(self, lgf_BorderWidthKey, [NSNumber numberWithFloat:lgf_BorderWidth], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.borderWidth = lgf_BorderWidth;
}
#pragma mark - 阴影颜色
- (UIColor *)lgf_ShadowColor {
return objc_getAssociatedObject(self, lgf_ShadowColorKey);
}
- (void)setLgf_ShadowColor:(UIColor *)lgf_ShadowColor {
objc_setAssociatedObject(self, lgf_ShadowColorKey, lgf_ShadowColor, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.shadowColor = lgf_ShadowColor.CGColor;
}
#pragma mark - 阴影圆角
- (CGFloat)lgf_ShadowRadius {
return [objc_getAssociatedObject(self, lgf_ShadowRadiusKey) floatValue];
}
- (void)setLgf_ShadowRadius:(CGFloat)lgf_ShadowRadius {
objc_setAssociatedObject(self, lgf_ShadowRadiusKey, [NSNumber numberWithFloat:lgf_ShadowRadius], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.shadowRadius = lgf_ShadowRadius;
}
#pragma mark - 阴影偏移量
- (CGSize)lgf_ShadowOffset {
return [objc_getAssociatedObject(self, lgf_ShadowOffsetKey) CGSizeValue];
}
- (void)setLgf_ShadowOffset:(CGSize)lgf_ShadowOffset {
objc_setAssociatedObject(self, lgf_ShadowOffsetKey, [NSValue valueWithCGSize:lgf_ShadowOffset], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.shadowOffset = lgf_ShadowOffset;
}
#pragma mark - 阴影透明度
- (float)lgf_ShadowOpacity {
return [objc_getAssociatedObject(self, lgf_ShadowOpacityKey) floatValue];
}
- (void)setLgf_ShadowOpacity:(float)lgf_ShadowOpacity {
objc_setAssociatedObject(self, lgf_ShadowOpacityKey, [NSNumber numberWithFloat:lgf_ShadowOpacity], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.layer.shadowOpacity = lgf_ShadowOpacity;
}
@end
最终效果 是不是又可以少加不少代码了
按照这个逻辑还可以编写其他分类比如(UIViewController)
把一些不必要重复写的属性都放到storyboard上去钩吧~
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