前言定义一个枚举类，现在需要对传入的枚举值进行范围校验。@GetterpublicenumUserTypeEnum{STUDENT("1","Student"),TEACHER("2","Teacher");私有整数代码；私有字符串名称；UserTypeEnum（整数代码，字符串名称）{this.code=code;this.name=名称；}}超出范围时，会报错。注解校试@Documented@Retention(RetentionPolicy.RUNTIME)@Target({ElementType.FIELD,ElementType.METHOD})@Constraint(validatedBy=EnumValidatorHandler.class)public@interfaceEnumValidator{Classvalue();Stringmessage()default"入参值不在正确枚举中";字符串方法（）默认“getCode”；类[]组（）默认{}；类[]payload()default{};}@Slf4jclassEnumValidatorHandler实现ConstraintValidator{privateList
