Spring MVC传递模型作为dto到form？

@RequestMapping("/user")
public String getUser(Model model) {
    UserDTO userDTO = new UserDTO();
    // 设置模型数据到DTO对象
    userDTO.setUsername("John");
    userDTO.setPassword("password");
    
    model.addAttribute("userDTO", userDTO);
    
    return "userForm";
}

<form action="/saveUser" method="post">
    <input type="text" name="username" value="${userDTO.username}" />
    <input type="password" name="password" value="${userDTO.password}" />
    <input type="submit" value="Save" />
</form>

@RequestMapping(value = "/saveUser", method = RequestMethod.POST)
public String saveUser(@ModelAttribute("userDTO") UserDTO userDTO) {
    // 从DTO对象中获取用户输入
    String username = userDTO.getUsername();
    String password = userDTO.getPassword();
    
    // 将用户数据保存到数据库或其他数据源中
    
    return "redirect:/user/success";
}