关于viewControllers之间的传值方式

AViewController----Push----BViewController

1.属性 

AViewController---pop----BViewController

1.代理  2.通知  3.Block  4.NSUserDefault   5.单例  6.属性

  //Bviewcontroller已经存在于self.navigationController.viewControllers中,并且是当前页面的前一页面
  AViewcontroller *AVC = [self.navigationController.viewControllers objectAtIndex:self.navigationController.viewControllers.count-2];
  //初始化其属性
  AVC.IDInfoArray = nil;
  //传递参数过去
  AVC.IDInfoArray =self.responseArray;
  [self.navigationController  popViewControllerAnimated:YES];