我有 DTO,我想限制其大小:
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Builder(toBuilder = true)
public class CreateUserDTO {
@NotNull
@NotEmpty
@Size(min=1, max=20, message = "'Login' value '${validatedValue}' must be between {min} and {max} characters long.")
private String login;
@NotNull
@NotEmpty
@Size(min=1, max=45, message = "'Email' value '${validatedValue}' must be between {min} and {max} characters long.")
private String email;
@NotNull
@NotEmpty
@Size(min=1, max=20, message = "'First name' value '${validatedValue}' must be between {min} and {max} characters long.")
private String firstName;
@NotNull
@NotEmpty
@Size(min=1, max=20, message = "'Last name' value '${validatedValue}' must be between {min} and {max} characters long.")
private String lastName;
}
休息 Controller :
@PostMapping("/create")
public ResponseEntity<?> create(@Valid @RequestBody CreateUserDTO dto) {
.....
return ok().build();
}
知道为什么我会收到这个巨大的错误消息:
{
"errors": [
{
"status": 404,
"code": "1001",
"title": "Not found",
"detail": "Validation failed for argument [0] in public org.springframework.http.ResponseEntity<?> org.engine.rest.UsersController.create(org.engine.dto.CreateUserDTO): [Field error in object 'createUserDTO' on field 'login': rejected value [56dtttttttttt444444444465st]; codes [Size.createUserDTO.login,Size.login,Size.java.lang.String,Size]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [createUserDTO.login,login]; arguments []; default message [login],20,1]; default message ['Login' value '56dtttttttttt444444444465st' must be between 1 and 20 characters long.]] ",
"extra": {
"detail": "Validation failed for argument [0] in public org.springframework.http.ResponseEntity<?> org.engine.rest.UsersController.create(org.engine.dto.CreateUserDTO): [Field error in object 'createUserDTO' on field 'login': rejected value [56dtttttttttt444444444465st]; codes [Size.createUserDTO.login,Size.login,Size.java.lang.String,Size]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [createUserDTO.login,login]; arguments []; default message [login],20,1]; default message ['Login' value '56dtttttttttt444444444465st' must be between 1 and 20 characters long.]] "
}
}
]
}
最佳答案
查看您评论中的链接存储库,您可以添加一个新的异常处理程序来自定义与约束相关的验证错误。
现在所有未定义的异常都按照定义路由到here
.
您可以在 EngineExceptionhandler
中为与约束相关的错误定义异常处理程序类。
有点像
@ExceptionHandler(ConstraintViolationException.class)
ResponseEntity<ErrorResponseDTO> constraintValidationException(final ConstraintViolationException e) {
List<ErrorRerponse> errors = new ArrayList<>();
for (ConstraintViolation violation : e.getConstraintViolations()) {
ErrorResponse error = new ErrorResponse();
error.setTitle(violation.getPropertyPath().toString());
error.setDetail(violation.getMessage());
errors.add(error);
}
ErrorResponseDTO errorResponse = new ErrorResponseDTO();
errorResponse.setErrors(errors);
return new ResponseEntity<ErrorResponseDTO>(errorResponse, HttpStatus.BAD_REQUEST);
}
您可以根据需要添加更多自定义。
关于java - 实现默认大小验证的验证消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/67994305/