iOS触摸位置
//触摸位置 -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSSet *allTouches = [event allTouches]; //返回与当前接收者有关的所有的触摸对象 UITouch *touch = [allTouches anyObject]; //视图中的所有对象 CGPoint point = [touch locationInView:[touch view]]; //返回触摸点在视图中的当前坐标 int x = point.x; int y = point.y; NSLog(@"touch (x, y) is (%d, %d)", x, y); }