要访问EmbeddedSolrServer实例的管理员界面,需要在代码中添加以下代码: ```java import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer; import org.apache.solr.client.solrj.impl.HttpSolrClient; import org.apache.solr.client.solrj.impl.XMLResponseParser; import org.apache.solr.client.solrj.request.CoreAdminRequest; import org.apache.solr.common.params.CoreAdminParams; EmbeddedSolrServer server = new EmbeddedSolrServer(coreContainer, "core1"); HttpSolrClient client = new HttpSolrClient.Builder(server.getCoreContainer().getZkController().getZkServerAddress()) .withResponseParser(new XMLResponseParser()) .build(); CoreAdminRequest adminRequest = new CoreAdminRequest(); adminRequest.setAction(CoreAdminParams.CoreAdminAction.STATUS); CoreAdminRequest status = adminRequest.process(client); System.out.println(status.getResponse()); ``` 这段代码使用HttpSolrClient连接到EmbeddedSolrServer实例,并使用CoreAdminRequest获取服务器状态。您可以使用其他CoreAdminParams.CoreAdminAction操作来执行其他管理任务。