ios view中跳转控制器

    UITabBarController *rootVC = (UITabBarController *)self.window.rootViewController;
    UINavigationController *navigation = (UINavigationController *)rootVC.selectedViewController;
    NSString *url = self.urlArray[index];
    if ([url containsString:@"http"]) {
        MyHomeWebViewController *webVC = [[MyHomeWebViewController alloc] init];
        webVC.isHtml = NO;
        webVC.titleStr = @"公告";
        webVC.loadUrlStr = url;
        [navigation pushViewController:webVC animated:YES];
    }