java代码操作solr搜索引擎的增删查改

所需的包如图：

代码如下：
package solr;

import java.util.List;
import java.util.Map;

import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrQuery.ORDER;
import org.apache.solr.client.solrj.impl.HttpSolrClient;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.client.solrj.response.UpdateResponse;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.SolrInputDocument;
import org.junit.Before;
import org.junit.Test;

public class test {
    private static final String URL = "http://localhost:8983/solr/test/";
    private HttpSolrClient server = null;
    
    /*
     * 初始化
     */
    @Before
    public void init() {
        // 创建 server
        server = new HttpSolrClient(URL);
    }
    
    /*
     * 添加、修改索引
     */
    @Test
    public void addDoc() {
 
        SolrInputDocument doc = new SolrInputDocument();
 
        doc.addField("id", "4");
        doc.addField("title", "号外！号外！特别喜讯");
        doc.addField("content", "王部长今天把solr关键应用点全部贯通，希望在以后的学习生涯再接再厉。");
        try {
            //如果不存在，就添加；如果存在，就更改
            UpdateResponse response = server.add(doc);
            //一定要提交
            server.commit();
 
            System.out.println("Query Time :" + response.getQTime());
            System.out.println("Elapsed Time :" + response.getElapsedTime());
            System.out.println("Status :" + response.getStatus());
            
        } catch (Exception e) {
            System.err.print(e);
        }
    }
    
    
    /**
     * 普通查询
     */
    @Test
    public void testQuery() {
        String queryStr = "content:*";
        SolrQuery params = new SolrQuery(queryStr);
        params.setSort("id",ORDER.asc);
        params.set("rows", 10);
        try {
            QueryResponse response = null;
            response = server.query(params);
            SolrDocumentList list = response.getResults();
            System.out.println("总共 ： " + list.getNumFound() + "条记录");
            for (SolrDocument doc : list) {
                System.out.println("id : " + doc.get("id") + "  title : " + doc.get("title")+
                        "  content : "+ doc.get("content"));
            }
        } catch (Exception e) {
            System.err.print(e);
        }
    }
    
    /*
     * 高亮查询
     */
    @Test
    public void hightLightQuery() throws Exception{
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setQuery("title:新闻");
        //solrQuery.setFilterQueries("content:[0 TO 100]");
        //solrQuery.setSort("content",ORDER.asc);
        
        // 开启高亮
        solrQuery.setHighlight(true).setHighlightSnippets(1); ;
        // 设置高亮域
        solrQuery.addHighlightField("title");
        // 设置高亮前缀
        solrQuery.setHighlightSimplePre("<font color='red'>");
        // 设置高亮后缀
        solrQuery.setHighlightSimplePost("</font>");
        
       QueryResponse queryResponse = server.query(solrQuery);
       // 从查询响应中获取结果集
       SolrDocumentList solrDocumentList = queryResponse.getResults();
       // 打印结果集中的数据
       for (SolrDocument solrDocument : solrDocumentList) {
           // 获取查询结果
           System.out.println( solrDocument.get("content"));
           // 获取高亮结果
           Map<String, Map<String, List<String>>> map = queryResponse.getHighlighting();
           //获取多层嵌套的结果
           List<String> lists = map.get(solrDocument.get("id")).get("title");
           if(lists != null)
               System.out.println(lists.get(0));
       }
    }
    
    /*
     * 删除
     */
    @Test
    public void deletDoc() throws Exception{
        server.deleteByQuery("id:4");
        //一定要提交
        server.commit();
    }
}