Spring控制器继承和链接的请求体去具体化问题

@Controller
public abstract class BaseController {
    @RequestMapping("/common")
    public String commonMethod() {
        return "commonView";
    }
}

@Controller
public class UserController extends BaseController {
    @RequestMapping("/user")
    public String userMethod() {
        return "userView";
    }
}

@RestController
@RequestMapping("/api")
public class UserController {

    @PostMapping("/user")
    public ResponseEntity<User> createUser(@RequestBody User user) {
        // 处理用户创建逻辑
        return new ResponseEntity<>(user, HttpStatus.CREATED);
    }
}

public class User {
    private String name;
    private int age;

    // Getters and Setters
}

@PostMapping("/user")
public ResponseEntity<User> createUser(@Valid @RequestBody User user) {
    // 处理用户创建逻辑
    return new ResponseEntity<>(user, HttpStatus.CREATED);
}

@Controller
public abstract class BaseController {
    @RequestMapping(value = "/common", method = RequestMethod.GET)
    public String commonMethod() {
        return "commonView";
    }
}

@Controller
public class UserController extends BaseController {
    @RequestMapping(value = "/user", method = RequestMethod.GET)
    public String userMethod() {
        return "userView";
    }
}