UIScrollView无法响应touch事件的解决方法

用过UIScrollView的都会发现UIScrollView不会响应touch事件，这样就无法在touches相关的方法中做一些事情了，比如收回键盘等等。其实写个categroy就可以解决这个问题了。

具体实现如下：

@implementation UIScrollView (UITouchEvent)

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesBegan:touches withEvent:event];
    [super touchesBegan:touches withEvent:event];
}
-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesMoved:touches withEvent:event];
    [super touchesMoved:touches withEvent:event];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesEnded:touches withEvent:event];
    [super touchesEnded:touches withEvent:event];
}

@end

备注：转自http://blog.csdn.net/volcan1987/article/details/6677370