//取出stroryboard裡面的控制器:
UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
//将取出的storyboard裡面的控制器被所需的控制器指着。
JChartViewController *jVC = [mainStoryboard instantiateViewControllerWithIdentifier:@"JChartViewController"];
OK啦~