- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesBegan:touches withEvent:event];
//获取当前点
UITouch *touch = [touches anyObject];
CGPoint point = [touch locationInView:self.superview];
NSLog(@"%.2f, %.2f", point.x, point.y);
}
获取当前手指
原文：http://www.cnblogs.com/tian-sun/p/5019888.html
