ios--手势--点击某个View隐藏键盘

//添加手势，点击屏幕其他区域关闭键盘的操作
UITapGestureRecognizer *gesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hidenKeyboard)];
gesture.numberOfTapsRequired = 1;
[self.scroller addGestureRecognizer:gesture];

///键盘事件
//隐藏键盘的方法
-(void)hidenKeyboard
{
[self.txtOnePrize resignFirstResponder];
[self.txtTwoPrize resignFirstResponder];
[self.txtThreePrize resignFirstResponder];

}