Java Code Examples for org.wltea.analyzer.lucene.IKAnalyzer

The following examples show how to use org.wltea.analyzer.lucene.IKAnalyzer. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: bookshop   Source File: TestLucene.java    License: MIT License 6 votes vote down vote up
private static void showSearchResults(IndexSearcher searcher, ScoreDoc[] hits, Query query, IKAnalyzer ikAnalyzer) throws IOException {
    System.out.println("找到 " + hits.length + " 个命中.");
    System.out.println("序号\t匹配度得分\t结果");
    for (int i = 0; i < hits.length; i++) {
        ScoreDoc scoreDoc = hits[i];
        int docId = scoreDoc.doc;
        Document document = searcher.doc(docId);
        List<IndexableField> fields = document.getFields();
        System.out.print((i + 1));
        System.out.print("\t" + scoreDoc.score);
        for (IndexableField f : fields) {
            System.out.print("\t" + document.get(f.name()));
        }
        System.out.println();

    }
}
 
Example 2
Source Project: mysiteforme   Source File: LuceneSearch.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 封裝一个方法,用于将数据库中的数据解析为一个个关键字词存储到索引文件中
 * @param document
 * @throws IOException
 */
public static void write(Document document) throws IOException {
    //索引库的存储目录
    Directory directory = FSDirectory.open(Paths.get(dir));
    //在 6.6 以上版本中 version 不再是必要的,并且,存在无参构造方法,可以直接使用默认的 StandardAnalyzer 分词器。
    //创建索引写入配置
    Analyzer analyzer = new IKAnalyzer();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(analyzer);
    //创建索引写入对象
    IndexWriter indexWriter = new IndexWriter(directory,indexWriterConfig);
    //写入到目录文件中
    indexWriter.addDocument(document);
    //提交事务
    indexWriter.commit();
    //关闭流
    indexWriter.close();
}
 
Example 3
Source Project: mysiteforme   Source File: LuceneSearch.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 根据ID更新搜索内容
 * @param blogArticle
 * @throws IOException
 */
public static void updateIndexById(BlogArticle blogArticle) throws IOException{
    Directory directory = FSDirectory.open(Paths.get(dir));// 打开文件索引目录
    Analyzer analyzer = new IKAnalyzer();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(analyzer);
    //创建索引写入对象
    IndexWriter writer = new IndexWriter(directory,indexWriterConfig);
    Document doc = new Document();
    doc.add(new LongPoint("id",blogArticle.getId()));
    doc.add(new TextField("title",blogArticle.getTitle(), Field.Store.YES));
    doc.add(new TextField("marks",blogArticle.getMarks()==null?"":blogArticle.getMarks(),Field.Store.YES));
    doc.add(new TextField("text",blogArticle.getText()==null?"":blogArticle.getText(),Field.Store.YES));
    doc.add(new StoredField("href",blogArticle.getBlogChannel().getHref()));
    doc.add(new StoredField("show_pic",blogArticle.getShowPic()==null?"":blogArticle.getShowPic()));
    writer.updateDocument(new Term("id", blogArticle.getId().toString()), doc);
    writer.commit();// 提交
    writer.close();// 关闭
}
 
Example 4
Source Project: bookshop   Source File: SearchController.java    License: MIT License 5 votes vote down vote up
@RequestMapping("searchBook.do")
public ModelAndView searchBook(Book book) throws IOException, ParseException {

    ModelAndView mav = new ModelAndView("searchBook");

    // 关键字
    String keyword = book.getName();
    System.out.println(keyword);
    // 准备中文分词器
    IKAnalyzer analyzer = new IKAnalyzer();
    // 索引
    Directory index = createIndex(analyzer);
    // 查询器
    Query query = new QueryParser("name",analyzer).parse(keyword);
    // 搜索
    IndexReader reader = DirectoryReader.open(index);
    IndexSearcher searcher = new IndexSearcher(reader);
    int numberPerPage = 10;
    ScoreDoc[] hits = searcher.search(query,numberPerPage).scoreDocs;
    List<Book> books = new ArrayList<>();
    for (int i = 0; i < hits.length; i++) {
        ScoreDoc scoreDoc = hits[i];
        int docId = scoreDoc.doc;
        Document document = searcher.doc(docId);
        Book tmpBook = bookService.get(Integer.parseInt(document.get("id")));
        books.add(tmpBook);
    }

    mav.addObject("books",books);
    return mav;
}
 
Example 5
Source Project: bookshop   Source File: SearchController.java    License: MIT License 5 votes vote down vote up
private Directory createIndex(IKAnalyzer analyzer) throws IOException {
    Directory index = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(analyzer);
    IndexWriter writer = new IndexWriter(index,config);
    List<Book> books = bookService.listByBookType(1);
    for (Book book : books) {
        addDoc(writer,book);
    }
    writer.close();
    return index;
}
 
Example 6
Source Project: bookshop   Source File: TestLucene.java    License: MIT License 5 votes vote down vote up
public static void main(String[] args) throws IOException, ParseException {

        // 1. 准备中文分词器
        IKAnalyzer analyzer = new IKAnalyzer();

        // 2. 索引
        List<String> productNames = new ArrayList<>();
        productNames.add("飞利浦led灯泡e27螺口暖白球泡灯家用照明超亮节能灯泡转色温灯泡");
        productNames.add("飞利浦led灯泡e14螺口蜡烛灯泡3W尖泡拉尾节能灯泡暖黄光源Lamp");
        productNames.add("雷士照明 LED灯泡 e27大螺口节能灯3W球泡灯 Lamp led节能灯泡");
        productNames.add("飞利浦 led灯泡 e27螺口家用3w暖白球泡灯节能灯5W灯泡LED单灯7w");
        productNames.add("飞利浦led小球泡e14螺口4.5w透明款led节能灯泡照明光源lamp单灯");
        productNames.add("飞利浦蒲公英护眼台灯工作学习阅读节能灯具30508带光源");
        productNames.add("欧普照明led灯泡蜡烛节能灯泡e14螺口球泡灯超亮照明单灯光源");
        productNames.add("欧普照明led灯泡节能灯泡超亮光源e14e27螺旋螺口小球泡暖黄家用");
        productNames.add("聚欧普照明led灯泡节能灯泡e27螺口球泡家用led照明单灯超亮光源");
        Directory index = createIndex(analyzer, productNames);

        // 3. 查询器
        String keyword = "护眼带光源";
        Query query = new QueryParser("name",analyzer).parse(keyword);

        // 4. 搜索
        IndexReader reader = DirectoryReader.open(index);
        IndexSearcher searcher = new IndexSearcher(reader);
        int numberPerPage = 1000;
        System.out.printf("当前一共有%d条数据%n",productNames.size());
        System.out.printf("查询关键字是:\"%s\"%n",keyword);
        ScoreDoc[] hits = searcher.search(query,numberPerPage).scoreDocs;

        // 5. 显示查询结果
        showSearchResults(searcher, hits, query, analyzer);
    }
 
Example 7
Source Project: bookshop   Source File: TestLucene.java    License: MIT License 5 votes vote down vote up
private static Directory createIndex(IKAnalyzer analyzer, List<String> products) throws IOException {
    Directory index = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(analyzer);
    IndexWriter writer = new IndexWriter(index,config);

    for (String name : products){
        addDoc(writer,name);
    }
    writer.close();
    return  index;
}
 
Example 8
Source Project: mysiteforme   Source File: LuceneSearch.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * 根据ID删除索引
 * @param id
 * @throws IOException
 */
public static void deleteIndexById(String id) throws IOException{
    Directory directory = FSDirectory.open(Paths.get(dir));// 打开文件索引目录
    Analyzer analyzer = new IKAnalyzer();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(analyzer);
    //创建索引写入对象
    IndexWriter writer = new IndexWriter(directory,indexWriterConfig);
    IndexReader reader = DirectoryReader.open(directory);// 读取目
    Query q = new TermQuery(new Term("id", id));
    writer.deleteDocuments(q);// 删除指定ID的Document
    writer.commit();// 提交
    writer.close();// 关闭
    reader.close();// 关闭
}
 
Example 9
Source Project: emotional_analysis   Source File: IKAnalyzerUtils.java    License: Apache License 2.0 5 votes vote down vote up
public static void main(String[] args) {  
    String keyWord = "Java的分词效果到底怎么样呢,我们来看一下吧[抱抱]";  
    //创建IKAnalyzer中文分词对象  
    IKAnalyzer analyzer = new IKAnalyzer();  
    // 使用智能分词  
    analyzer.setUseSmart(true);  
    // 打印分词结果  
    try {  
        printAnalysisResult(analyzer, keyWord);  
    } catch (Exception e) {  
        e.printStackTrace();  
    }  
}
 
Example 10
Source Project: sdudoc   Source File: LuceneIndexManager.java    License: MIT License 5 votes vote down vote up
public void indexInit() throws Exception {
	Analyzer analyzer = new IKAnalyzer();
//	Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_44);
	this.indexSettings = new LuceneIndexSettings(analyzer);
	this.indexSettings.createFSDirectory("f:\\file");
	this.luceneIndex = new LuceneIndex(this.indexSettings);
	this.luceneIndexSearch = new LuceneIndexSearch(indexSettings, new LuceneResultCollector(indexSettings));
}
 
Example 11
Source Project: es-ik   Source File: IKAnalyzerProvider.java    License: Apache License 2.0 5 votes vote down vote up
@Inject
public IKAnalyzerProvider(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
    super(index, indexSettings, name, settings);

    loader = ServiceLoader.load(Configuration.class);
    Iterator<Configuration> iterator = loader.iterator();
    if (!iterator.hasNext()) {
        throw new NotFoundIKAnalyzerConfigurationImplementation();
    }
    analyzer = new IKAnalyzer(iterator.next().init(index, indexSettings, env, name, settings));
}
 
Example 12
@Override public IKAnalyzer get() {
    return this.analyzer;
}
 
Example 13
Source Project: es-ik   Source File: IKAnalyzerProvider.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public IKAnalyzer get() {
    return this.analyzer;
}
 
Example 14
public IkAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings,boolean useSmart) {
    super(indexSettings, name, settings);

    Configuration configuration=new Configuration(env,settings).setUseSmart(useSmart);

    analyzer=new IKAnalyzer(configuration);
}