Spring Boot中使用不同ConstraintValidatorManager的Hibernate验证器

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

@Constraint(validatedBy = EmailValidator.class)
@Target({ ElementType.FIELD })
@Retention(RetentionPolicy.RUNTIME)
public @interface Email {
    String message() default "Invalid email address";
    Class<?>[] groups() default {};
    Class<? extends Payload>[] payload() default {};
}

public class EmailValidator implements ConstraintValidator<Email, String> {
    @Override
    public boolean isValid(String value, ConstraintValidatorContext context) {
        if (value == null) {
            return true;
        }
        // 此处编写邮箱验证逻辑
        return value.matches("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$");
    }
}

public class User {
    @Email
    private String email;
    // 其他属性...
}

@RestController
public class UserController {
    @PostMapping("/user")
    public ResponseEntity<String> createUser(@Valid @RequestBody User user) {
        // 验证通过，执行创建用户的逻辑
        return ResponseEntity.ok("User created successfully");
    }
}