自定义注解(参数类型校验)
public class FlagValidatorClass implements ConstraintValidator<FlagValidator,Integer> {
private String[] values;
@Override
public void initialize(FlagValidator constraintAnnotation) {
values = constraintAnnotation.value();
}
@Override
public boolean isValid(Integer value, ConstraintValidatorContext context) {
boolean isValid = false;
if(value == null){
return false;
}
for (int i = 0; i < values.length; i++) {
if(values[i].equals(String.valueOf(value))){
isValid = true;
break;
}
}
return isValid;
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD,ElementType.PARAMETER})
@Constraint(validatedBy = FlagValidatorClass.class)
public @interface FlagValidator {
String[] value() default {};
String message() default "flag is not found";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
@FlagValidator(value = {"0","1"},message = "请求类型不正确")
private Integer requireType;
