code: public   String getTempate(String template) throws ElasticSearchException {
  		try {
  			return client.executeHttp("/_template/" + template, ClientUtil.HTTP_GET);
  		}
  		catch(ElasticSearchException e){
  			return ResultUtil.hand404HttpRuntimeException(e,String.class,ResultUtil.OPERTYPE_getTemplate);
  		}
  	}
docs: 查询模板
  @param template
  @return
  @throws ElasticSearchException