提供一下三种方法参考：
　　方法一：
　　//单击事件 -(void)fun1 {          NSLog(@"click1"); } //双击事件 -(void)fun2 {     NSLog(@"click2"); }  //单击和双击方法之一 -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {          if ([[touches anyObject] tapCount] == 1) {         [self performSelector:@selector(fun1) withObject:nil afterDelay:1];     }     else if ([[touches anyObject] tapCount] ==2)     {         [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(fun1) object:nil];         [self performSelector:@selector(fun2) withObject:nil afterDelay:1];     } }
　　方法二：[线程]
　　int num = 0; -(void)fun1 {     [NSThread sleepForTimeInterval:1];     if(num == 1)     {         NSLog(@"click 1");     } } -(void)fun2 {     [NSThread sleepForTimeInterval:1];     if(num == 2)     {         NSLog(@"click 2");     } } -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {     if([[touches anyObject] tapCount] == 1)     {         num = 1;         NSThread * thread = [[NSThread alloc] initWithTarget:self selector:@selector(fun1) object:nil];         [thread start];     }     else if([[touches anyObject] tapCount] == 2)     {         num = 2;         NSThread * thread = [[NSThread alloc] initWithTarget:self selector:@selector(fun2) object:nil];         [thread start];     } }
　　方法三：[利用手势控件本身自带的方法]
　　原理：执行第二个方法的时候，取消第一次的方法操作
　　- (void)viewDidLoad {     [super viewDidLoad];     //点击事件     UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(fun1)];     //单点触摸       tap.numberOfTouchesRequired = 1;     //点击几次，如果是1是单击     tap.numberOfTapsRequired = 1;     [self.view addGestureRecognizer:tap];          UITapGestureRecognizer *tap2 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(fun2)];     tap2.numberOfTapsRequired = 2;     [self.view addGestureRecognizer:tap2];          //如果满足第二次 第一次的取消     [tap requireGestureRecognizerToFail:tap2]; }