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原因：UIView的Touch事件被UIScrollview捕获了，所以UIView里面的Touch事件没有响应——————解决方法：将UIScrollview的捕获的Touch事件往上传；————给UIScrollview添加类别：UIScrollView+UITouch.h
代码：
#import "UIScrollView+UITouch.h"
@implementation UIScrollView (UITouch)
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[[self nextResponder] touchesBegan:touches withEvent:event];
[super touchesBegan:touches withEvent:event];
}
-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[[self nextResponder]touchesMoved:touches withEvent:event];
[super touchesMoved:touches withEvent:event];
}
-(void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[[self nextResponder]touchesEnded:touches withEvent:event];
[super touchesEnded:touches withEvent:event];
}
@end
iOS UIScrollView不能响应TouchBegin事件的处理方法：
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原文地址：http://www.cnblogs.com/envyhappy/p/4996939.html
