Solr8中使用Solrj获取分词结果并返回

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所属分类:全文检索

废话不多说,直接上代码,关键步骤注释里都有写。

/**
     * 给指定的语句分词。
     *
     * @param sentence 被分词的语句
     * @return 分词结果
     */
    public List<String> getAnalysis(String sentence) {
        String baseUrl = solrServerPath + "/new_core";
        // 8.0版本里移除了SolrServer类,用SolrClient取代
        // 其实按正常逻辑来说,用SolrClient更确切。
        SolrClient solrClient = new HttpSolrClient.Builder(baseUrl).build();
        FieldAnalysisRequest request = new FieldAnalysisRequest(
                "/analysis/field");
        request.addFieldName("bk_name");// 字段名,随便指定一个支持中文分词的字段
        request.setFieldValue("");// 字段值,可以为空字符串,但是需要显式指定此参数
        request.setQuery(sentence);
        request.setMethod(SolrRequest.METHOD.POST);

        FieldAnalysisResponse response = null;

        try {
            response = request.process(solrClient);
        } catch (SolrServerException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }


        List<String> results = new ArrayList<String>();
        Iterator<AnalysisResponseBase.AnalysisPhase> it = response.getFieldNameAnalysis("bk_name")
                .getQueryPhases().iterator();
        while (it.hasNext()) {
            AnalysisPhase pharse = (AnalysisPhase) it.next();
            List<TokenInfo> list = pharse.getTokens();
            for (TokenInfo info : list) {
                // 剔除结果里重复的词和单个文字
                if (!results.contains(info.getText()) && info.getText().getBytes().length > 3) {
                    results.add(info.getText());
                }
            }

        }

        return results;
    }

 

 

ZPY

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