solrJ笔记（1）

最新推荐文章于 2025-08-08 18:32:25 发布

javaduqing

最新推荐文章于 2025-08-08 18:32:25 发布

阅读量517

点赞数 1

CC 4.0 BY-SA版权

分类专栏： Lucene/solrJ 文章标签： Lucene solr 全文检索框架

本文链接：https://blog.youkuaiyun.com/disiwei1012/article/details/51605552

Lucene/solrJ 专栏收录该内容

5 篇文章

订阅专栏

本文提供了一个使用SolrJava库进行增删改查操作的示例代码，包括如何实现分页及高亮显示搜索结果。通过具体的Java类和方法展示如何与Solr服务器交互。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

solr for java增删改查+分页+高亮的demo

注：solr部署在tomcat下，有关部署的问题详见：http://blog.youkuaiyun.com/disiwei1012/article/details/51610571

实体

public class Article {
    @Field(value="id")
    private int id ;

    @Field(value="title")
    private String title;

    @Field(value="content")
    private String content;

    @Field(value="price")
    private double price;

    @Field(value="name")
    private String name;

    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name=name;
    }

    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getTitle() {
        return title;
    }
    public void setTitle(String title) {
        this.title = title;
    }
    public String getContent() {
        return content;
    }
    public void setContent(String content) {
        this.content = content;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        this.price = price;
    } 
}

增删改查

/*
 * 
 * solrJava CRUD
 * 
 */
public class SolrJ {

    @Test
    public void addIndex()throws Exception{
        String urlString = "http://localhost:8080/solr";
        SolrServer solr = new HttpSolrServer(urlString);

        //the third method that add document
        List<Article> list = new ArrayList<Article>();
        Article article = null;
        for(int i=20;i<=25;i++){
            article = new Article();
            article.setId(i);
            article.setName("dqf");
            article.setTitle("高大上");
            article.setContent("白富美");
            article.setPrice(19);
            list.add(article);
        }
        //注意是addBeans不是addBean
        solr.addBeans(list);

        /*the first method that add document
        SolrInputDocument doc = new SolrInputDocument();
        doc.addField("id", "751328118");
        doc.addField("name", "dqf");
        doc.addField("content", "很好的一个名字");
        solr.add(doc);*/


        /*the second method that add document
        Article article = new Article();
        article.setId(10);
        article.setName("dmz");
        article.setContent("你好");
        article.setTitle("xyz");
        article.setPrice(20);

        solr.addBean(article);*/

        solr.commit();
    }

    @Test
    public void delIndex()throws Exception{
        String urlString = "http://localhost:8080/solr";
        SolrServer solr = new HttpSolrServer(urlString);
        solr.deleteById("751328118");
        solr.commit();
    }

    public void updateIndex()throws Exception{

    }

    @Test
    public void findIndex() throws SolrServerException{
        String urlString = "http://localhost:8080/solr";
        SolrServer solr = new HttpSolrServer(urlString);

        SolrQuery solrParams = new SolrQuery();
        solrParams.setQuery("name:dqf");

        //分页
        solrParams.setStart(0);
        solrParams.setRows(2);

        //开启高亮
        solrParams.setHighlight(true);
        //设置高亮的显示格式
        solrParams.setHighlightSimplePre("<font color='red'>");
        solrParams.setHighlightSimplePost("</font>");

        //需要哪几个字段进行高亮
        solrParams.setParam("hl.fl", "name");
        QueryResponse queryResponse = solr.query(solrParams);

        //返回高亮之后的结果
        SolrDocumentList docList = queryResponse.getResults();
        /*for(SolrDocument solrDocument:docList){
            Object id = solrDocument.get("id");
            Object name = solrDocument.get("name");
            Object content = solrDocument.get("content");
            Object price = solrDocument.get("price");
        }*/

        //放回所有的结果
        Map<String,Map<String,List<String>>> maplist = queryResponse.getHighlighting();
        for(SolrDocument solrDocument:docList){
            Object id = solrDocument.get("id");
            System.out.println(id);
            Map<String, List<String>> fieldMap = maplist.get(id);
            List<String> stringList = fieldMap.get("name");
            System.out.println(stringList);
        }
    }
}