- Spring Web
- Spring Boot Starter Validation
public class User {
private String name;
private int age;
}
@Controller
public class UserController {
@RequestMapping(value = "/user", method = RequestMethod.POST)
public String validateUser(@Valid User user, BindingResult bindingResult, Model model) {
if (bindingResult.hasErrors()) {
return "error";
} else {
model.addAttribute("name", user.getName());
model.addAttribute("age", user.getAge());
return "success";
}
}
}
html
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<ul>
<th:block th:each="error : ${errors}">
<li th:text="${error.defaultMessage}"></li>
</th:block>
</ul>
</body>
</html>
html
<!DOCTYPE html>
<html>
<head>
</head>
<body>
</body>
</html>
