public enum RedisChannelEnums {

     /**redis频道code定义 需要与发布者一致*/
     LIVE_INFO_CHANGE("LIVE_INFO_CHANGE","直播信息改变"),

     ;
     /** 枚举定义+描述 */
     private String code;
     private String description;

     RedisChannelEnums(String code, String description) {
         this.code = code;
         this.description = description;
     }

     /** 根据code获取对应的枚举对象 */
     public static RedisChannelEnums getEnum(String code) {
         RedisChannelEnums[] values = RedisChannelEnums.values();
         if (null != code && values.length > 0) {
             for (RedisChannelEnums value : values) {
                 if (value.code == code) {
                     return value;
                 }
             }
         }
         return null;
     }

     /** 该code在枚举列表code属性是否存在 */
     public static boolean containsCode(String code) {
         RedisChannelEnums anEnum = getEnum(code);
         return anEnum != null;
     }

     /** 判断code与枚举中的code是否相同 */
     public static boolean equals(String code, RedisChannelEnums calendarSourceEnum) {
         return calendarSourceEnum.code == code;
     }

     public String getCode() {
         return code;
     }

     public String getDescription() {
         return description;
     }

 }

 @Data
 public abstract class BasePubMessage {

     /**发布订阅频道名称*/
     protected String channel;

     protected String extra;

     @Override
     public String toString() {
         return GsonUtil.toJson(this, BasePubMessage.class);
     }

 }

 @Data
 public class LiveChangeMessage extends BasePubMessage {

     /**直播Ids*/
     private String liveIds;

     @Override
     public String toString() {
         return GsonUtil.toJson(this, LiveChangeMessage.class);
     }

 }

public interface RedisPub {

    /**
     * 集成redis实现消息发布订阅模式-双通道
     * @param redisChannelEnums 枚举定义
     * @param basePubMessage 消息
     */
    void sendMessage(RedisChannelEnums redisChannelEnums, BasePubMessage basePubMessage);

}

 @Service
 public class RedisPubImpl implements RedisPub {

     @Resource
     private StringRedisTemplate stringRedisTemplate;

     @Override
     public void sendMessage(RedisChannelEnums redisChannelEnums, BasePubMessage basePubMessage) {

         if(redisChannelEnums ==null || basePubMessage ==null){
             return;
         }

         basePubMessage.setChannel(redisChannelEnums.getCode());
         stringRedisTemplate.convertAndSend(redisChannelEnums.getCode(), basePubMessage.toString());
         System.out.println("发布成功！");
     }
 }

 @Service
 @Configuration
 @EnableCaching
 public class RedisConfig {

     /**
      * 存放策略实例
      * classInstanceMap : key-beanName value-对应的策略实现
      */
     private ConcurrentHashMap<String, BaseSub> classInstanceMap = new ConcurrentHashMap<>(20);

     /**
      * 注入所有实现了Strategy接口的Bean
      *
      * @param strategyMap
      *         策略集合
      */
     @Autowired
     public RedisConfig(Map<String, BaseSub> strategyMap) {
         this.classInstanceMap.clear();
         strategyMap.forEach((k, v) ->
                 this.classInstanceMap.put(k.toLowerCase(), v)
         );
     }

     /**
      * Redis消息监听器容器
      *
      * @param connectionFactory
      *
      * @return
      */
     @Bean
     RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory) {

         RedisMessageListenerContainer container = new RedisMessageListenerContainer();
         container.setConnectionFactory(connectionFactory);

         RedisChannelEnums[] redisChannelEnums = RedisChannelEnums.values();
         if (redisChannelEnums.length > 0) {
             for (RedisChannelEnums redisChannelEnum : redisChannelEnums) {
                 if (redisChannelEnum == null || StringUtils.isEmpty(redisChannelEnum.getCode()) || redisChannelEnum.getClassName()==null) {
                     continue;
                 }
                 //订阅了一个叫pmp和channel 的通道，多通道
                 //一个订阅者接收一个频道信息，新增订阅者需要新增RedisChannelEnums定义+BaseSub的子类

                 String toLowerCase = redisChannelEnum.getClassName().getSimpleName().toLowerCase();
                 BaseSub baseSub = classInstanceMap.get(toLowerCase);
                 container.addMessageListener(listenerAdapter(baseSub), new PatternTopic(redisChannelEnum.getCode()));
             }
         }
         return container;
     }

     /**
      * 配置消息接收处理类
      *
      * @param baseSub
      *         自定义消息接收类
      *
      * @return MessageListenerAdapter
      */
     @Bean()
     @Scope("prototype")
     MessageListenerAdapter listenerAdapter(BaseSub baseSub) {
         //这个地方 是给messageListenerAdapter 传入一个消息接受的处理器，利用反射的方法调用“receiveMessage”
         //也有好几个重载方法，这边默认调用处理器的方法 叫handleMessage 可以自己到源码里面看
         //注意2个通道调用的方法都要为receiveMessage
         return new MessageListenerAdapter(baseSub, "receiveMessage");
     }

 }

@Autowired
public RedisConfig(Map<String, BaseSub> strategyMap) 方法的作用是将所有的配置消息接收处理类注入进来，那么消息接收处理类里面的注解对象也会注入进来。
解决了我们提出的第二个问题

而String toLowerCase = redisChannelEnum.getClassName().getSimpleName().toLowerCase();
BaseSub baseSub = classInstanceMap.get(toLowerCase);
container.addMessageListener(listenerAdapter(baseSub), new PatternTopic(redisChannelEnum.getCode()));
是根据不同的管道对应不同的订阅者，也就是一个订阅者对应一个管道。方便根据不同的业务场景进行处理。
使用这种方式主需要配置redisChannelEnum枚举即可，解决了我们提出的第一个问题。
这样一来，订阅者就变得比较通用了

 public enum RedisChannelEnums {

     /**redis频道名称定义 需要与发布者一致*/
     LIVE_INFO_CHANGE("LIVE_INFO_CHANGE", LiveChangeSub.class, "直播信息改变"),

     ;
     /** 枚举定义+描述 */
     private String code;
     private Class<? extends BaseSub> className;
     private String description;

     RedisChannelEnums(String code, Class<? extends BaseSub> className, String description) {
         this.code = code;
         this.className=className;
         this.description = description;
     }

     /** 根据code获取对应的枚举对象 */
     public static RedisChannelEnums getEnum(String code) {
         RedisChannelEnums[] values = RedisChannelEnums.values();
         if (null != code && values.length > 0) {
             for (RedisChannelEnums value : values) {
                 if (value.code == code) {
                     return value;
                 }
             }
         }
         return null;
     }

     /** 该code在枚举列表code属性是否存在 */
     public static boolean containsCode(String code) {
         RedisChannelEnums anEnum = getEnum(code);
         return anEnum != null;
     }

     /** 判断code与枚举中的code是否相同 */
     public static boolean equals(String code, RedisChannelEnums calendarSourceEnum) {
         return calendarSourceEnum.code == code;
     }

     public String getCode() {
         return code;
     }

     public String getDescription() {
         return description;
     }

     public Class<? extends BaseSub> getClassName() {
         return className;
     }
 }

 @Data
 abstract class BaseSubMessage {

     /** 发布订阅频道名称 */
     private String channel;

     private String extra;

     private String json;

     BaseSubMessage(String json) {
         if(StringUtils.isEmpty(json)){
             return;
         }

         this.json = json;
         Map map = new Gson().fromJson(this.json, Map.class);
         BeanHelper.populate(this, map);
     }

 }

 @Data
 @ToString(callSuper = true)
 public class LiveChangeMessage extends BaseSubMessage {

     /** 直播Ids */
     private String liveIds;

     public LiveChangeMessage(String json) {
         super(json);
     }

 }

 public interface BaseSub {

     /**
      * 接收消息
      * @param jsonMessage  json字符
      */
     void receiveMessage(String jsonMessage);
 }

 @Component
 public class LiveChangeSub implements BaseSub {

     /**只是定义的注解测试，可以换成自己的*/
     @Autowired
     private CategoryMapper categoryMapper;

     @Override
     public void receiveMessage(String jsonMessage) {

         System.out.println("项目aries-server.....................");
         //注意通道调用的方法名要和RedisConfig2的listenerAdapter的MessageListenerAdapter参数2相同
         System.out.println("这是 LiveChangeSub" + "-----" + jsonMessage);

         LiveChangeMessage liveChangeMessage = new LiveChangeMessage(jsonMessage);
         System.out.println(liveChangeMessage);

         Category category = categoryMapper.get(1L);
         System.out.println("category:" + category);

     }
 }