//点击空白键盘失去响应

self.view.userInteractionEnabled = YES;

UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(fingerTapped:)];

[self.view addGestureRecognizer:singleTap];

#pragma mark 键盘失去响应

-(void)fingerTapped:(UITapGestureRecognizer *)gestureRecognizer

{

self.view.userInteractionEnabled = YES;

[self.view endEditing:YES];

}