solr的增删改查加分页的基本使用

红太狼 2022-07-16 10:41 192阅读 0赞

solr的增改删查 ，分页 ，高亮

package dao;
    
    import java.util.List;
    import java.util.Map;
    
    import org.apache.solr.client.solrj.SolrQuery;
    import org.apache.solr.client.solrj.SolrServer;
    import org.apache.solr.client.solrj.impl.HttpSolrServer;
    import org.apache.solr.client.solrj.response.QueryResponse;
    import org.apache.solr.common.SolrDocument;
    import org.apache.solr.common.SolrDocumentList;
    import org.junit.Test;
    
    import bean.Article;
    
    /** * 使用solrJ来调用solr的服务。。。 * @author root * */
    public class SolrJ { 
        /** * 插入和更新 id相同不会生成两个，只会进行修改， * @throws Exception */
        @Test
        public void addIndex() throws Exception{
            String urlString = "http://192.168.8.20:8080/solr";
            SolrServer solr = new HttpSolrServer(urlString);
    
            //第一种添加方式
            /*SolrInputDocument document = new SolrInputDocument(); document.addField("id", "23"); document.addField("name", "吴淑静"); document.addField("content", "很有文艺范的一个女孩子");*/
    
            //第二种添加方式
            Article article = new  Article();
            article.setId(30);
            article.setTitle("高大上");
            article.setContent("很高很富很帅");
            article.setPrice(19);
    
            solr.addBean(article);
            solr.commit();
        }
        /** * 删除 * @throws Exception */
        @Test
        public void Del() throws Exception{
            String solrUrl= "http://192.168.8.20:8080/solr";
            SolrServer solr = new HttpSolrServer(solrUrl);
            solr.deleteById("30");
            solr.commit();
        }
    
        /** * 查找 * @throws Exception */
        @Test
        public void testFind() throws Exception{
            String solrUrl= "http://192.168.8.20:8080/solr";
            SolrServer solr = new HttpSolrServer(solrUrl);
            SolrQuery solrParams = new SolrQuery();
            solrParams.setQuery("name:吴淑静");
            QueryResponse queryResponse=solr.query(solrParams);
            //得到记过，进行遍历
            SolrDocumentList results = queryResponse.getResults();
            for(SolrDocument document:results){
                Object id = document.get("id");
                Object name = document.get("name");
                Object content = document.get("content");
                System.out.println(id);
                System.out.println(name);
                System.out.println(content);
            }
        }
    
        /** * 分页 * @throws Exception */
        @Test
        public void fenYe() throws Exception{
            String solrUrl= "http://192.168.8.20:8080/solr";
            SolrServer solr = new HttpSolrServer(solrUrl);
            SolrQuery solrParams = new SolrQuery();
            solrParams.setQuery("name:吴淑静");
            //分页
            solrParams.setStart(0);
            solrParams.setRows(1);
    
            QueryResponse queryResponse=solr.query(solrParams);
    
            //得到记过，进行遍历
            SolrDocumentList results = queryResponse.getResults();
            for(SolrDocument document:results){
                Object id = document.get("id");
                Object name = document.get("name");
                Object content = document.get("content");
                System.out.println(id);
                System.out.println(name);
                System.out.println(content);
            }
        }
    
        /** * 高亮 * @throws Exception */
        @Test
        public void hightLight() throws Exception{
            String solrUrl= "http://192.168.8.20:8080/solr";
            SolrServer solr = new HttpSolrServer(solrUrl);
            SolrQuery solrParams = new SolrQuery();
            solrParams.setQuery("name:吴淑静");
    
            //开启高亮
            solrParams.setHighlight(true);
            //高亮的显示的格式。。。。
            solrParams.setHighlightSimplePre("<font color='red'>");
            solrParams.setHighlightSimplePost("</font>");
            //需要哪些字段显示高亮
            solrParams.setParam("hl.fl", "name");
    
            QueryResponse queryResponse=solr.query(solrParams);
            SolrDocumentList documentList = queryResponse.getResults();
            Map<String, Map<String, List<String>>> mapList = queryResponse.getHighlighting();
    
            //遍历
            for(SolrDocument document:documentList){
                Object id = document.get("id");
                Map<String, List<String>> fieldMap = mapList.get(id);
                List<String> list = fieldMap.get("name");
                System.out.println(id);
                System.out.println(list.toString());
            }
        }
    }

bean.Article类

package bean;
    
    import org.apache.solr.client.solrj.beans.Field;
    
    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 int price;
    
    
    
        //自动生成的get 和 set 方法 无需关系
        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 int getPrice() {
            return price;
        }
        public void setPrice(int price) {
            this.price = price;
        }
    
    
    }