摘要：
- (IBAction)btnClick:(id)sender { UITabBarController *tabBarCtrl = [[[UITabBarController alloc] init]autorelease]; UITabBarItem *tabbarItemA = [[[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemBookmarks tag:0]autorelease]; tabbarItemA.badgeValue = @"2"; UITabB... 阅读全文
