UIView的类目使其移除所以的子视图

@interface UIView (Category)

 

- (void)removeAllSubViews;

 

@end

 

 

#import "UIView+Category.h"

 

@implementation UIView (Category)

 

- (void)removeAllSubViews

{

    for (UIView *view in self.subviews) {

        [view removeFromSuperview];

    }

}

 

 

@end