Lucene小练十五（过滤器）

package Java.se.lucene;import java.io.File;import java.io.FileReader;import java.io.IOException;import org.apache.lucene.analysis.Analyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.document.NumericField;import org.apache.lucene.index.CorruptIndexException;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.index.IndexWriterConfig;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.store.LockObtainFailedException;import org.apache.lucene.util.Version;import org.wltea.analyzer.lucene.IKAnalyzer;public class Test_Index {private Analyzer analyzer=new IKAnalyzer();private static Directory directory=null;static{try {directory=FSDirectory.open(new File("f:/lucene/Index07"));} catch (IOException e) {e.printStackTrace();}}public static Directory getDirectory(){return directory;}public void index(boolean hasNew){IndexWriter writer=null;try {  writer=new IndexWriter(directory,new IndexWriterConfig(Version.LUCENE_36, analyzer));if(hasNew){writer.deleteAll();}File file=new File("F:/lucene/lucenes");Document doc=null;for(File f:file.listFiles()){doc=new Document();doc.add(new Field("content",new FileReader(f)));//添加内容doc.add(new Field("filename",f.getName(),Field.Store.YES,Field.Index.NOT_ANALYZED));//添加Namedoc.add(new Field("path",f.getAbsolutePath(),Field.Store.YES,Field.Index.NOT_ANALYZED));doc.add(new NumericField("date",Field.Store.YES, true).setLongValue(f.lastModified()));doc.add(new NumericField("size",Field.Store.YES,true).setIntValue((int)f.length()));writer.addDocument(doc);}} catch (CorruptIndexException e) {e.printStackTrace();} catch (LockObtainFailedException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{if(writer!=null){try {writer.close();} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}}}package Java.se.lucene;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import org.apache.lucene.document.Document;import org.apache.lucene.index.CorruptIndexException;import org.apache.lucene.index.IndexReader;import org.apache.lucene.search.Filter;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.Query;import org.apache.lucene.search.ScoreDoc;import org.apache.lucene.search.Sort;import org.apache.lucene.search.TopDocs;import org.wltea.analyzer.lucene.IKQueryParser;import org.wltea.analyzer.lucene.IKSimilarity;public class Test_Search {static IndexReader reader=null;static{try {reader=IndexReader.open(Test_Index.getDirectory());} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}public IndexSearcher getSearcher(){ try {reader=IndexReader.open(Test_Index.getDirectory());} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} return new IndexSearcher(reader);}//返回Searcherpublic void Searcher(String keyword,Sort sort){ try { IndexSearcher searcher=getSearcher(); //使文件评分显示出来 searcher.setDefaultFieldSortScoring(true, false); //在搜索器中使用IKSimilarity相似度评估器 searcher.setSimilarity(new IKSimilarity()); //创建IK。。 Query Query query =IKQueryParser.parse("content",keyword); TopDocs topDocs=null; if(sort!=null) { topDocs=searcher.search(query, 50, sort);  }else { topDocs=searcher.search(query, 50); } //设置时间格式 SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); for(ScoreDoc sds:topDocs.scoreDocs) { Document document=searcher.doc(sds.doc); System.out.println(sds.doc+"-->"+document.get("filename") +"【"+document.get("path")+"】"+"["+document.get("size") +"]"+"("+sds.score+")"+"-->"+sdf.format (new Date(Long.valueOf(document.get("date"))))); } searcher.close();} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}//过滤public void Searcher(String keyword,Filter filter){ try { IndexSearcher searcher=getSearcher(); //使文件评分显示出来 searcher.setDefaultFieldSortScoring(true, false); //在搜索器中使用IKSimilarity相似度评估器 searcher.setSimilarity(new IKSimilarity()); //创建IK。。 Query Query query =IKQueryParser.parse("content",keyword); TopDocs topDocs=null; if(filter!=null) { topDocs=searcher.search(query,filter,50);  }else { topDocs=searcher.search(query, 50); } //设置时间格式 SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); for(ScoreDoc sds:topDocs.scoreDocs) { Document document=searcher.doc(sds.doc); System.out.println(sds.doc+"-->"+document.get("filename") +"【"+document.get("path")+"】"+"["+document.get("size") +"]"+"("+sds.score+")"+"-->"+sdf.format (new Date(Long.valueOf(document.get("date"))))); } searcher.close();} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}package Java.se.lucene;import org.apache.lucene.index.Term;import org.apache.lucene.search.Filter;import org.apache.lucene.search.NumericRangeFilter;import org.apache.lucene.search.QueryWrapperFilter;import org.apache.lucene.search.Sort;import org.apache.lucene.search.SortField;import org.apache.lucene.search.TermRangeFilter;import org.apache.lucene.search.WildcardQuery;import org.junit.Before;import org.junit.Test;public class Test_All {Test_Index index=null;Test_Search search =null;@Beforepublic void init(){ index=new Test_Index(); search =new Test_Search();}@Testpublic void test_index(){index.index(true);}@Testpublic void test_search01(){//search.Searcher("java", null);////按照默认评分排序//search.Searcher("java", new Sort().RELEVANCE);////通过文件ID排序//search.Searcher("java", new Sort().INDEXORDER);////通过文件大小排序//search.Searcher("java", new Sort(new SortField("size",SortField.INT)));//通过文件日期排序//search.Searcher("java", new Sort(new SortField("date",SortField.LONG)));//通过文件名称排序,第三个参数设置排序方式（true为降序）//search.Searcher("java", new Sort(new SortField("filename",SortField.STRING//,true)));//多条件排序search.Searcher("java",new Sort(new SortField("filename",SortField.STRING),SortField.FIELD_SCORE));}@Testpublic void test_search02(){Filter trf=new TermRangeFilter("filename", "Tomcat环境变量配置.kk", "Tomcat环境变量配置.txt.kk", true,true);trf=NumericRangeFilter.newIntRange("size", 2, 100000, true, true);//通过一个query进行过滤trf=new QueryWrapperFilter(new WildcardQuery(new Term("filename","*.kk"))); search.Searcher("java", trf);}}