扩展

UIButton扩展

UIButton扩展

920 发布: 2024/9/20 17:20 本文总阅读量次

.h

@property (nonatomic, strong) id extParam;

.m

tatic char AssociatedObjectKey;

@implementation UIButton (RKExt)


- (void)setExtParam:(id)extParam {
    objc_setAssociatedObject(self, &AssociatedObjectKey, extParam, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (id)extParam {
    return objc_getAssociatedObject(self, &AssociatedObjectKey);
}

@end