pop回到之前的某一个页面

 1 - (void)backHome:(UIButton *)button
 2 {
 3    self.navigationController.navigationBarHidden = NO;
 4    CaseViewController *caseView = [[CaseViewController alloc] init];
 5    for (UIViewController *vc in self.navigationController.viewControllers) {
 6 
 7        if ([vc isKindOfClass:[caseView class]]) {
 8 
 9          [self.navigationController popToViewController:vc animated:YES];
10           }
11 
12       }
13 
14 
15  }