class SolrController {

    @RequestMapping("/delById/{id}")
    public String delById(@PathVariable("id") String id) throws IOException, SolrServerException {
        //根据id删除信息
        UpdateResponse updateResponse = solrClient.deleteById(id);
        //执行的时间
        long elapsedTime = updateResponse.getElapsedTime();

        int qTime = updateResponse.getQTime();
        //请求地址
        String requestUrl = updateResponse.getRequestUrl();
        //请求的结果{responseHeader={status=0,QTime=2}}
        NamedList<Object> response = updateResponse.getResponse();
        //请求结果的头{status=0,QTime=2}
        NamedList responseHeader = updateResponse.getResponseHeader();
        //请求的状态 0
        solrClient.commit();
        int status = updateResponse.getStatus();
        //成功则返回0.要是没有文档被删除也会返回0,代表根本没有
        return status == 0 ? "success" : "failed";
    }

}