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- (void)viewDidLoad{

[super viewDidLoad];

//添加手势

UITapGestureRecognizer *tap1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewTapped:)];
tap1.cancelsTouchesInView = NO;
[self.view addGestureRecognizer:tap1];
}




-(void)viewTapped:(UITapGestureRecognizer*)tap1
{

[self.view endEditing:YES];

}