Storyboard跳转传值

UIStoryboard *sb_board = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
LoginController *vc_login = [sb_board instantiateViewControllerWithIdentifier:@"LoginController"];
[self  presentViewController:vc_login animated:YES completion:nil];

UIStoryboard *sb_board = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
CateWebController *vc_cate_web = [sb_board instantiateViewControllerWithIdentifier:@"CateWebController"];
for (UIViewController* vc in self.navigationController.viewControllers) {
　　if ([vc isKindOfClass:[vc_cate_web class]]) {
　　　　[self.navigationController popToViewController:vc animated:YES];
　　}
}

 self.hidesBottomBarWhenPushed = YES;
[self performSegueWithIdentifier:Identifier sender:self];
self.hidesBottomBarWhenPushed = YES;

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
    if ([segue.identifier isEqualToString:@"SegueDetail"])
    {
         DetailController *Detail = segue.destinationViewController;
         Detail.strUrl = [NSString stringWithFormat:@"%@",self.str_url];

    }
}