UIViewController 键盘弹出或者销售

- (void)viewDidLoad

{ 

   

    UITapGestureRecognizer *pangesureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(PangesureRecongFrom:)];

    [self.view addGestureRecognizer:pangesureRecognizer];//关键语句，给self.view添加一个手势监测；

 }

-(void)PangesureRecongFrom:(UITapGestureRecognizer *)recognizer

{

    [self.view endEditing:YES];

}