摘要： 添加Nav方法：在AppDelegate中.h文件@property (strong, nonatomic) UINavigationController *navC;.m文件 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions添加方法2种如下：1 、self.navC = [[[UINavigationControlleralloc] init] autorelease]; [self.navCpushViewControll. 阅读全文