SpringBoot 枚举类型的自动转换的实现

/**
 * @author rookie
 */
public interface IEnum<T extends Serializable> {

    /**
     * 获取值
     * @return 值
     */
    T getValue();
}

@Component
public class EnumConvertFactory implements ConverterFactory<String, IEnum<?>> {

    @Override
    public <T extends IEnum<?>> Converter<String, T> getConverter(Class<T> targetType) {
        return new StringToEnum<>(targetType);
    }


    public static class StringToEnum<T extends IEnum<?>> implements Converter<String, T> {

        private final Class<T> targetType;

        public StringToEnum(Class<T> targetType) {
            this.targetType = targetType;
        }

        @Override
        public T convert(String source) {
            if (!StringUtils.hasText(source)) {
                return null;
            }
            return (T) EnumConvertFactory.getEnum(this.targetType, source);
        }
    }

    public static <T extends IEnum<?>> T getEnum(Class<T> targetType, String source) {
        for (T constant : targetType.getEnumConstants()) {
            if (source.equals(String.valueOf(constant.getValue()))) {
                return constant;
            }
        }
        return null;
    }
}

@Configuration
public class WebConfig implements WebMvcConfigurer {

    @Autowired
    private EnumConvertFactory enumConvertFactory;

    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addConverterFactory(enumConvertFactory);
    }
}

@Getter
@AllArgsConstructor
public enum TestEnum implements IEnum<String>{

    /**
     * 测试
     */
    TEST_ENUM("1","2");
    
    private final String value;

    private final String msg;

}

@Data
@EqualsAndHashCode(callSuper = true)
public class EnumDeserializer extends JsonDeserializer<Enum<?>> implements ContextualDeserializer {

    private Class<?> target;

    @SuppressWarnings("all")
    @Override
    public Enum<?> deserialize(JsonParser jsonParser, DeserializationContext ctx) throws IOException {
        if (!StringUtils.hasText(jsonParser.getText())) {
            return null;
        }
        if (IEnum.class.isAssignableFrom(target)) {
            return (Enum<?>) EnumConvertFactory.getEnum((Class) target, jsonParser.getText());
        }
        return null;
    }

    /**
     * @param ctx      ctx
     * @param property property
     * @return 1
     * @throws JsonMappingException
     */
    @Override
    public JsonDeserializer<?> createContextual(DeserializationContext ctx, BeanProperty property) throws JsonMappingException {
        Class<?> rawCls = ctx.getContextualType().getRawClass();
        EnumDeserializer enumDeserializer = new EnumDeserializer();
        enumDeserializer.setTarget(rawCls);
        return enumDeserializer;
    }

}

@Component
public class JacksonConfig implements SmartInitializingSingleton {

    @Autowired
    private ObjectMapper objectMapper;

    @Override
    public void afterSingletonsInstantiated() {
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addDeserializer(Enum.class, new EnumDeserializer());
        objectMapper.registerModule(simpleModule);
    }	
}

public class IEnumSerializer extends JsonSerializer<IEnum> {
    @Override
    public void serialize(IEnum iEnum, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        jsonGenerator.writeString(iEnum.getName());
    }
}

@Component
public class BeanLoadProcess implements SmartInitializingSingleton {

    @Autowired
    private ObjectMapper objectMapper;

    @Override
    public void afterSingletonsInstantiated() {
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addSerializer(IEnum.class,new IEnumSerializer());
        objectMapper.registerModule(simpleModule);
    }
}

mybatis-plus:
  configuration:
    default-enum-type-handler: org.apache.ibatis.type.EnumOrdinalTypeHandler