SpringMVC传递数据和对象

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
    private int id;
    private String name;
    private int age;
}

import com.peng.pojo.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
@Controller
@RequestMapping("yonghu")//相当于分由
public class UserController {
    @RequestMapping("/user1")
    public String UserModel(@RequestParam("name") String name ,Model model){
        model.addAttribute("user",name);
        return "yonghu";
    }
@RequestMapping("/user")
public String UserNew(User user,Model model){
        model.addAttribute("user",user);
      return "yonghu";
}
}