IOS第14天(2, Modal控制）

******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 = @"";
}