Java 我们如何在spring boot中使用这两种验证?
我的bean中有两个变量,我希望填充name或mobile,它们不能同时为nullJava 我们如何在spring boot中使用这两种验证?,java,mysql,spring,validation,jpa,Java,Mysql,Spring,Validation,Jpa,我的bean中有两个变量,我希望填充name或mobile,它们不能同时为null @NotNull private String name; @NotNull private String mobile; 如何实现这一点?您可以创建自己的验证或注释 试着这样做: @Target({ElementType.TYPE}) @Retention(RetentionPolicy.RUNTIME) public @interface NotNullConfirmed { String mes
@NotNull
private String name;
@NotNull
private String mobile;
如何实现这一点?您可以创建自己的验证或注释 试着这样做:
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface NotNullConfirmed {
String message() default "they can not be null";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
您需要为此编写自定义注释并在类上使用
@AtLeastOneNotEmpty(fields = {"name", "phone"})
public class User{
自定义注释实现
@Constraint(validatedBy = AtLeastOneNotEmptyValidator.class)
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface AtLeastOneNotEmpty {
String message() default "At least one cannot be null";
String[] fields();
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
@Constraint(validatedBy=atlestonenotemptyvalidator.class)
@目标({ElementType.TYPE})
@保留(RetentionPolicy.RUNTIME)
public@interface atlestonenotempty{
String message()默认为“至少一个不能为空”;
字符串[]字段();
类[]组()默认值{};
类这是否回答了您的问题?您的验证器如何与注释连接,以及您的\u bo在这里是什么?
@AtLeastOneNotEmpty(fields = {"name", "phone"})
public class User{
@Constraint(validatedBy = AtLeastOneNotEmptyValidator.class)
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface AtLeastOneNotEmpty {
String message() default "At least one cannot be null";
String[] fields();
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
public class AtLeastOneNotEmptyValidator
implements ConstraintValidator<AtLeastOneNotEmpty, Object> {
private String[] fields;
public void initialize(AtLeastOneNotEmpty constraintAnnotation) {
this.fields = constraintAnnotation.fields();
}
public boolean isValid(Object value, ConstraintValidatorContext context) {
List<String> fieldValues = new ArrayList<String>();
for (String field : fields) {
Object propertyValue = new BeanWrapperImpl(value).getPropertyValue(field);
if (ObjectUtils.isEmpty(propertyValue)) {
fieldValues.add(null);
} else {
fieldValues.add(propertyValue.toString());
}
}
return fieldValues.stream().anyMatch(fieldValue -> fieldValue!= null);
}
}