code: public static void removeCache(Class<? extends BaseEntity> entityClass,String key){
      	if(CacheHandler.cacheProvider == null)return;
      	String entityClassName = entityClass.getSimpleName();
  		key = entityClassName + CacheHandler.SPLIT_PONIT + key;
  		String cacheGroupKey = entityClassName + CacheHandler.GROUPKEY_SUFFIX;
  		
  		CacheHandler.cacheProvider.remove(key);
  		CacheHandler.cacheProvider.removeFromGroup(cacheGroupKey, key);
  		
  	}
docs: 移除指定实体组指定key的缓存
  @param entityClass
  @param key