在UIView中添加点击事件

//设定UIView（或其子类）为可交互的

 imageview.userInteractionEnabled = YES;

//添加tap手势

UITapGestureRecognizer *tapGesture=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(event:)]; 

//将手势添加至需要相应的view中

[view addGestureRecognizer:tapGesture];

//设置手指个数,默认为单击触发事件

[tapGesture setNumberOfTapsRequired:2]; 

//执行触发的方法

- (void)event:(UITapGestureRecognizer *)gesture

 {

NSLog(@"单机"); 

//获取是哪个View触发了此方法

gesture.view;

 }