给手势UITapGestureRecognizer添加"

UITapGestureRecognizer是没有tag属性，但他有UIView的属性，我们可以通过给UIView添加tag属性，从而标记UITapGestureRecognizer,从而去识别多个不同的手势。

UITapGestureRecognizer *singleTap =[[UITapGestureRecognizer alloc] initWithTarget:selfaction:@selector(whenClickImage:)];
[_firstImage addGestureRecognizer:singleTap];

UIView *singleTapView = [singleTap view];
singleTapView.tag=0;




-(void)whenClickImage:(id)sender{
  UITapGestureRecognizer *singleTap = (UITapGestureRecognizer*)sender;
   NSLog(@"%d",[singleTapview].tag]);
}

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