******控制器modal

- (void)btnClick{    // 创建控制器对象    HMJumpViewController *jump = [[HMJumpViewController alloc] init];    //    [self.view addSubview:jump.view];//    [self addChildViewController:jump];        UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:jump];        // Modal出一个控制器    [self presentViewController:nav animated:YES completion:nil];    }

******传值，UINavigationController

// 调整之前调用- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{    UINavigationController *nav = segue.destinationViewController;//    NSLog(@"%@----%@",segue.sourceViewController,segue.destinationViewController);        HMTableViewController *tableViewVc = nav.topViewController;        tableViewVc.name = @"123123213";}