一个jsp页面，有两个独立的表单

Question

我想要一个包含两个单独表单的索引页面。它可以单独使用，但不能一起使用。
我的文件是这样的：

IndexController.java：

@Controller
public class indexController {
@Autowired
UserService userService;
@RequestMapping(value = "/index", method = RequestMethod.GET)
public String viewLogin(Model model) {
    Admin adminForm = new Admin();
    Graph chartGraph = new Graph();
    model.addAttribute("adminForm", adminForm); 
    model.addAttribute("chartGraph", chartGraph);
    return "index";
    }

@RequestMapping(value = "/index", method = RequestMethod.POST)
public String processIn(@ModelAttribute("adminForm") Admin admin, 
        Model model) {              
    System.out.println("adminname: " + admin.getUsername());
    System.out.println("password: " + admin.getPassword());     
    return "index";
}

@RequestMapping(value = "/graph", method = RequestMethod.POST)
public String processIn(@ModelAttribute("chartGraph") Graph graph, 
        Model model) {              
    System.out.println("height: " + graph.getAltezza());
    System.out.println("weight: " + graph.getLarghezza());              
    return "index";
    }
}

的index.jsp    

有什么问题？ 如果你需要其他档案问我。感谢。