springMVC前端接收参数

@Controller
@RequestMapping("/User")
public class UserController {
    @GetMapping("/t1")
    public String test1(@RequestParam("username") String name, Model model){
        //  前端接受的参数
        System.out.println(name);
        //将结果传递给前端
        model.addAttribute("msg","接受的参数"+name);
        //视图跳转
        return "test";

    }
    @GetMapping("/t2")
    public String test2(User user){
        System.out.println(user);


        return "test";
    }
}






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