[solr]suggestion

# sample dict 
cpu intel I7    1.0
cpu AMD 5000+    2.0
中央处理器 英特尔    1.0
中央处理器 AMD    2.0
中央空调 海尔 1匹    1.0
中央空调 海尔 1.5匹    2.0
中央空调 海尔 2匹    3.0
中央空调 格力 1匹    4.0
中央空调 格力 1.5匹    5.0
中央空调 格力 2匹    6.0
中央空调 美的 1匹    7.0
中央空调 美的 1.5匹    8.0
中央空调 美的 2匹    9.0
中国中央政府    1.0
中国中央银行    2.0
中国中央人民银行    3.0
启信有限公司    1.0
启信科技有限公司    2.0

    <searchComponent name="spellcheck" class="solr.SpellCheckComponent">
      <lst name="spellchecker">
        <str name="name">filestr>
        <str name="classname">org.apache.solr.spelling.suggest.Suggesterstr>  
        <str name="lookupImpl">org.apache.solr.spelling.suggest.tst.TSTLookupstr>
        
        <str name="field">contentstr>
        <str name="combineWords">truestr>
        <str name="breakWords">truestr>
        
        <str name="sourceLocation">dictionary.txtstr>
        
        <str name="spellcheckIndexDir">./spellcheckerstr>
          
        <str name="buildOnCommit">truestr>
      lst>
    searchComponent>
    <requestHandler name="/spellcheck" class="org.apache.solr.handler.component.SearchHandler">
      <lst name="defaults">
        <str name="spellcheck">truestr>
        <str name="spellcheck.dictionary">filestr>
        
        <str name="spellcheck.count">20str>
        
        <str name="spellcheck.onlyMorePopular">truestr>
      lst>
      <arr name="last-components">
        <str>spellcheckstr>
      arr>
    requestHandler>

<str name="sourceLocation">dictionary.txtstr>

http://localhost:8899/solr/mycore/spellcheck?spellcheck.build=true

http://localhost:8899/solr/mycore/spellcheck?q=中央&rows=0

package com.my.solr;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.impl.HttpSolrServer;
import org.apache.solr.client.solrj.impl.XMLResponseParser;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.client.solrj.response.SpellCheckResponse;
import org.apache.solr.client.solrj.response.SpellCheckResponse.Collation;
import org.apache.solr.client.solrj.response.SpellCheckResponse.Correction;
import org.apache.solr.client.solrj.response.SpellCheckResponse.Suggestion;

import com.my.entity.Item;

public class TestSolr {

    public static void main(String[] args) throws IOException, SolrServerException {
        String url = "http://localhost:8899/solr/mycore";
        HttpSolrServer core = new HttpSolrServer(url);
        core.setMaxRetries(1);
        core.setConnectionTimeout(5000);
        core.setParser(new XMLResponseParser()); // binary parser is used by default
        core.setSoTimeout(1000); // socket read timeout
        core.setDefaultMaxConnectionsPerHost(100);
        core.setMaxTotalConnections(100);
        core.setFollowRedirects(false); // defaults to false
        core.setAllowCompression(true);

        // ------------------------------------------------------
        // search
        // ------------------------------------------------------
        SolrQuery query = new SolrQuery();
        String token = "中央";
        query.set("qt", "/spellcheck");
        query.set("q", token);
        query.set("spellcheck", "on");
        query.set("spellcheck.build", "true");
        query.set("spellcheck.onlyMorePopular", "true");

        query.set("spellcheck.count", "100");
        query.set("spellcheck.alternativeTermCount", "4");
        query.set("spellcheck.onlyMorePopular", "true");

        query.set("spellcheck.extendedResults", "true");
        query.set("spellcheck.maxResultsForSuggest", "5");

        query.set("spellcheck.collate", "true");
        query.set("spellcheck.collateExtendedResults", "true");
        query.set("spellcheck.maxCollationTries", "5");
        query.set("spellcheck.maxCollations", "3");

        QueryResponse response = null;

        try {
            response = core.query(query);
            System.out.println("查询耗时：" + response.getQTime());
        } catch (SolrServerException e) {
            System.err.println(e.getMessage());
            e.printStackTrace();
        } catch (Exception e) {
            System.err.println(e.getMessage());
            e.printStackTrace();
        } finally {
            core.shutdown();
        }

        SpellCheckResponse spellCheckResponse = response.getSpellCheckResponse();
        if (spellCheckResponse != null) {
            List suggestiOnList= spellCheckResponse.getSuggestions();
            for (Suggestion suggestion : suggestionList) {
                System.out.println("Suggestions NumFound: " + suggestion.getNumFound());
                System.out.println("Token: " + suggestion.getToken());
                System.out.print("Suggested: ");
                List suggestedWordList = suggestion.getAlternatives();
                for (String word : suggestedWordList) {
                    System.out.println(word + ", ");
                }
                System.out.println();
            }
            System.out.println();
            Map suggestedMap = spellCheckResponse.getSuggestionMap();
            for (Map.Entry entry : suggestedMap.entrySet()) {
                System.out.println("suggestionName: " + entry.getKey());
                Suggestion suggestion = entry.getValue();
                System.out.println("NumFound: " + suggestion.getNumFound());
                System.out.println("Token: " + suggestion.getToken());
                System.out.print("suggested: ");

                List suggestedList = suggestion.getAlternatives();
                for (String suggestedWord : suggestedList) {
                    System.out.print(suggestedWord + ", ");
                }
                System.out.println("\n\n");
            }

            Suggestion suggestion = spellCheckResponse.getSuggestion(token);
            System.out.println("NumFound: " + suggestion.getNumFound());
            System.out.println("Token: " + suggestion.getToken());
            System.out.print("suggested: ");
            List suggestedList = suggestion.getAlternatives();
            for (String suggestedWord : suggestedList) {
                System.out.print(suggestedWord + ", ");
            }
            System.out.println("\n\n");

            System.out.println("The First suggested word for solr is : " + spellCheckResponse.getFirstSuggestion(token));
            System.out.println("\n\n");

            List collatedList = spellCheckResponse.getCollatedResults();
            if (collatedList != null) {
                for (Collation collation : collatedList) {
                    System.out.println("collated query String: " + collation.getCollationQueryString());
                    System.out.println("collation Num: " + collation.getNumberOfHits());
                    List correctiOnList= collation.getMisspellingsAndCorrections();
                    for (Correction correction : correctionList) {
                        System.out.println("original: " + correction.getOriginal());
                        System.out.println("correction: " + correction.getCorrection());
                    }
                    System.out.println();
                }
            }
            System.out.println();
            System.out.println("The Collated word: " + spellCheckResponse.getCollatedResult());
            System.out.println();
        }

        System.out.println("查询耗时：" + response.getQTime());
    }
}

启信

xml version="1.0" encoding="UTF-8"?>
DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">  
<properties>  
    <comment>IK Analyzer 扩展配置comment>
    
    <entry key="ext_dict">ext.dic;entry> 
    
    
    <entry key="ext_stopwords">stopword.dic;entry> 
    
properties>

http://localhost:8899/solr/mycore/spellcheck?q=启&rows=0