//模态跳转到指定页面
-(void) rightClick {
secondViewController *vc = [[secondViewController alloc] init];
[self presentViewController:vc animated:YES completion:nil];
//[self.navigationController pushViewController:vc animated:YES];
}
//模态返回到指定页面
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
//回到指定的页面
//[self.navigationController popToViewController:<#(UIViewController *)#> animated:<#(BOOL)#>]
//[self.navigationController popViewControllerAnimated:YES];
[self dismissViewControllerAnimated:YES completion:nil];
}
