code: public String addDateDocumentsWithIdKey(String indexName, String indexType, List<Map> beans,String docIdKey) throws ElasticSearchException{
  		return addDocumentsWithIdKey(this.indexNameBuilder.getIndexName(indexName),   indexType,     beans,docIdKey);
  	}
docs: 批量创建索引,根据时间格式建立新的索引表
  @param indexName
  @param indexType
  @param beans
  @param docIdKey map中作为文档id的Key
  @return
  @throws ElasticSearchException