code: public String addMapDocument(String indexName, String indexType, Map bean) throws ElasticSearchException{
  		return addDocument(  indexName,   indexType,   bean,null,null,null,(String )null);
  	}
docs: 创建或者更新索引文档
  @param indexName
  @param indexType
  @param bean
  @return
  @throws ElasticSearchException