UIScrollView解决无法触发手势

//创建一个分类

//.h

#import <UIKit/UIKit.h>

@interface UIScrollView (Touch)

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;

-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;

@end

//.m

#import "UIScrollView+Touch.h"

@implementation UIScrollView (Touch)

- (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

/**工程中调用*/

- (void)viewDidLoad {

[super viewDidLoad];

//实现scroll触摸屏幕

[self touchesBegan:nil withEvent:nil];

[self touchesMoved:nil withEvent:nil];

[self touchesEnded:nil withEvent:nil];

}