public enum Sex {

    man("M","男"),woman("W","女");

    private String myCode;

    private String value;

    private Sex(String myCode, String value) {

        this.myCode = myCode;

        this.value = value;

    }

    public String getMyCode() {

        return myCode;

    }

    public void setMyCode(String myCode) {

        this.myCode = myCode;

    }

    public String getValue() {

        return value;

    }

    public void setValue(String value) {

        this.value = value;

    }

}

/**

 * https://blog.csdn.net/u010125873/article/details/81386320

 * @author admin

 */

public class EnumUtils {

    private static Map<Class,Object> map = new ConcurrentHashMap<>();

    /**

     * 根据条件获取枚举对象

     * @param className 枚举类

     * @param predicate 筛选条件

     * @param <T>

     * @return

     */

    @SuppressWarnings("unchecked")

    public static <T> Optional<T> getEnumObject(Class<T> className, Predicate<T> predicate) {

        if(!className.isEnum()){

//            logger.info("Class 不是枚举类");

            return null;

        }

        Object obj = map.get(className);

        T[] ts = null;

        if(obj == null){

            ts = className.getEnumConstants();

            map.put(className,ts);

        }else{

            ts = (T[])obj;

        }

        return Arrays.stream(ts).filter(predicate).findAny();

    }

    public static void main(String[] args) {

        Optional<Sex> m = EnumUtils.getEnumObject(Sex.class, e -> e.getMyCode().equals("W"));

        System.out.println(m.isPresent() ? m.get().getValue():null);

    }

}

public class EnumHelperUtil{

    /**

     * 使用枚举类型对应的typeName获取枚举类型

     * @param clazz   枚举类的class

     * @param getTypeNameMethodName  传入的typeName的get方法

     * @param typeName 传入的typeName值，这个方法为Object类型

     */

    public static <T extends Enum<T>> T getEnumsValue(Class<T> clazz,String getTypeNameMethodName, Object typeName){

        T result = null;

        try{

            T[] arr = clazz.getEnumConstants();

            Method targetMethod = clazz.getDeclaredMethod(getTypeNameMethodName);

            Object typeNameVal = null;

            for(T entity:arr){

                typeNameVal = targetMethod.invoke(entity);

                if(typeNameVal.equals(typeName)){

                    result = entity;

                    break;

                }

            }

        } catch (IllegalAccessException e) {

            e.printStackTrace();

        } catch (IllegalArgumentException e) {

            e.printStackTrace();

        } catch (InvocationTargetException e) {

            e.printStackTrace();

        } catch (NoSuchMethodException e) {

            e.printStackTrace();

        } catch (SecurityException e) {

            e.printStackTrace();

        }

        return result;

    }

    public static void main(String[] args) {

        Sex byStringTypeName = EnumHelperUtil.getEnumsValue(Sex.class, "getMyCode", 1);

        System.out.println(byStringTypeName.getValue());

    }

}