Solr6.3 在Java中的简单使用

import com.backzero.solr.service.SolrService;import com.backzero.solr.util.SolrUtils;import org.apache.solr.client.solrj.SolrQuery;import org.apache.solr.client.solrj.SolrServerException;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.SolrDocumentList;import org.apache.solr.common.SolrInputDocument;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;import java.io.IOException;import java.util.List;import java.util.Map;/** * Created by BackZero on 2016/11/29 0029. */@Service@Transactionalpublic class SolerServiceImpl implements SolrService {    /**     * 简单查询     * @param mQueryStr     * @return query result     */    public SolrDocumentList query(String mQueryStr) {        try {            HttpSolrClient httpSolrClient = SolrUtils.connect();            SolrQuery query = new SolrQuery();            //设定查询字段            query.setQuery(mQueryStr);            //指定返回结果字段            query.set("fl","id,name");            //覆盖schema.xml的defaultOperator（有空格时用"AND"还是用"OR"操作逻辑），一般默认指定。必须大写            query.set("q.op","AND");            //设定返回记录数，默认为10条            query.setRows(10);            QueryResponse response = httpSolrClient.query(query);            SolrDocumentList list = response.getResults();            return  list;        } catch (SolrServerException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }    /**     * 分页查询     * @param queryStr     * @param start     * @param rows     * @return SolrDocumentList     */    public SolrDocumentList queryPage(String queryStr,Integer start,Integer rows ){        try {            HttpSolrClient httpSolrClient = SolrUtils.connect();            SolrQuery query = new SolrQuery();            //设定查询字段            query.setQuery(queryStr);            //指定返回结果字段            query.setIncludeScore(true);            // query.set("fl","id,name");            //覆盖schema.xml的defaultOperator（有空格时用"AND"还是用"OR"操作逻辑），一般默认指定。必须大写            query.set("q.op","AND");            //分页开始页数            query.setStart(start);            //设定返回记录数，默认为10条            query.setRows(rows);            //设定对查询结果是否高亮            query.setHighlight(true);            //设定高亮字段前置标签            query.setHighlightSimplePre("<span style=\"color:red\">");            //设定高亮字段后置标签            query.setHighlightSimplePost("</span>");            //设定高亮字段            query.addHighlightField("name");            //设定拼写检查            query.setRequestHandler("/spell");            QueryResponse response = httpSolrClient.query(query);           //获取bean           //  List<Object> bean = response.getBeans(Object.class);            SolrDocumentList list = response.getResults();            return  list;        } catch (SolrServerException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }    /**     * 添加一个实体     *     * @param object     */    public void addBean(Object object) {        try {            HttpSolrClient httpSolrClient = SolrUtils.connect();            httpSolrClient.addBean(object);            httpSolrClient.commit();        } catch (IOException e) {            e.printStackTrace();        } catch (SolrServerException e) {            e.printStackTrace();        }    }    /**     * 添加简单索引     *     * @param map     */    public void addDoc(Map<String, Object> map) {        try {            HttpSolrClient httpSolrClient = SolrUtils.connect();            SolrInputDocument document = new SolrInputDocument();            document = SolrUtils.addFileds(map,document);            UpdateResponse response = httpSolrClient.add(document);            httpSolrClient.commit();        } catch (SolrServerException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }    /**     * 删除索引     *     * @param id     */    public void deleteById(String id) {        try {            HttpSolrClient httpSolrClient = SolrUtils.connect();            httpSolrClient.deleteById(id);            httpSolrClient.commit();        } catch (SolrServerException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }}


import java.lang.reflect.Field;import org.apache.solr.client.solrj.impl.HttpSolrClient;import org.apache.solr.client.solrj.impl.XMLResponseParser;import org.apache.solr.common.SolrDocument;import org.apache.solr.common.SolrException;import org.apache.solr.common.SolrInputDocument;import org.slf4j.LoggerFactory;import org.apache.commons.beanutils.BeanUtils;import java.lang.reflect.InvocationTargetException;import java.util.Iterator;import java.util.Map;/** * solr 工具类 * Created by BackZero on 2016/11/29 0029. */public class SolrUtils {    /**     * solr 服务器访问地址     */    private static String url = "http://localhost:9090/solr/new_core";    private static Integer connectionTimeout = 100; // socket read timeout    private static Integer defaltMaxConnectionsPerHost = 100 ;    private static Integer maxTotalConnections = 100 ;    private static Boolean  followRedirects = false ; // defaults to false    private static Boolean allowCompression = true ;   // private static  Integer maxRetries = 1 ; //defaults to 0.  > 1 not recommended.    private static org.slf4j.Logger logger = LoggerFactory.getLogger(SolrUtils.class);    /**     * @param map key is filed name value,map value is filed value     * @return SolrInputDocument     */    public static SolrInputDocument addFileds(Map<String,Object> map, SolrInputDocument document){        if(document == null){            document = new SolrInputDocument();        }        Iterator iterator = map.keySet().iterator();        while (iterator.hasNext()){            String key = iterator.next().toString();            document.setField(key,map.get(key));        }        return document;    }    /**     *建立solr链接，获取 HttpSolrClient     * @return HttpSolrClient     */    public static HttpSolrClient connect(){        HttpSolrClient httpSolrClient = null;        try{            httpSolrClient = new HttpSolrClient.Builder(url).build();            httpSolrClient.setParser(new XMLResponseParser());//设定xml文档解析器            httpSolrClient.setConnectionTimeout(connectionTimeout);//socket read timeout            httpSolrClient.setAllowCompression(allowCompression);            httpSolrClient.setMaxTotalConnections(maxTotalConnections);            httpSolrClient.setDefaultMaxConnectionsPerHost(defaltMaxConnectionsPerHost);            httpSolrClient.setFollowRedirects(followRedirects);        }catch (SolrException e){            System.out.println("请检查tomcat服务器或端口是否开启!");            logger.error(e.getMessage());            e.printStackTrace();        }        return  httpSolrClient;    }    /**     * 将SolrDocument 转换为Bean     * @param record     * @param clazz     * @return bean     */    public static Object toBean(SolrDocument record, Class clazz){        Object obj = null;        try {            obj = clazz.newInstance();        } catch (InstantiationException e1) {            e1.printStackTrace();        } catch (IllegalAccessException e1) {            e1.printStackTrace();        }        Field[] fields = clazz.getDeclaredFields();        for(Field field:fields){            Object value = record.get(field.getName());            try {                BeanUtils.setProperty(obj, field.getName(), value);            } catch (IllegalAccessException e) {                e.printStackTrace();            } catch (InvocationTargetException e) {                e.printStackTrace();            }        }        return obj;    }}

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