Category中的属性
2015-12-07 16:39
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#import <objc/runtime.h>
static char UIScrollViewSpringHeadView;
@implementation UIScrollView (SpringHeadView)
- (void)setTopView:(UIView *)topView{
objc_setAssociatedObject(self, &UIScrollViewSpringHeadView,
topView,
OBJC_ASSOCIATION_ASSIGN);
}
- (UIView *)topView{
return
objc_getAssociatedObject(self, &UIScrollViewSpringHeadView);
}
static char UIScrollViewSpringHeadView;
@implementation UIScrollView (SpringHeadView)
- (void)setTopView:(UIView *)topView{
objc_setAssociatedObject(self, &UIScrollViewSpringHeadView,
topView,
OBJC_ASSOCIATION_ASSIGN);
}
- (UIView *)topView{
return
objc_getAssociatedObject(self, &UIScrollViewSpringHeadView);
}
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