Getting Started with Lucene 3.6.2 (1) First program: Hello Word

Package com.jadyer.lucene;  
Import Java.io.File;  
Import Java.io.FileReader;  
      
Import java.io.IOException;  
Import Org.apache.lucene.analysis.standard.StandardAnalyzer;  
Import org.apache.lucene.document.Document;  
Import Org.apache.lucene.document.Field;  
Import Org.apache.lucene.index.IndexReader;  
Import Org.apache.lucene.index.IndexWriter;  
Import Org.apache.lucene.index.IndexWriterConfig;  
Import Org.apache.lucene.queryParser.QueryParser;  
Import Org.apache.lucene.search.IndexSearcher;  
Import Org.apache.lucene.search.Query;  
Import Org.apache.lucene.search.ScoreDoc;  
Import Org.apache.lucene.search.TopDocs;  
Import Org.apache.lucene.store.Directory;  
Import Org.apache.lucene.store.FSDirectory;  
      
Import org.apache.lucene.util.Version; 
 /** * "Lucene3.6.2 Introductory series" No. 01 _helloword * @see Here is only a lucene-core-3.6.2.jar * @see Lucene website: http://lucene.apache.org * @see lucene Download: http://archive.apache.org/dist/lucene/java/* @see Lucene Documentation: HTTP://WIki.apache.org/lucene-java/* @see------------------------------------------------------------------------------- ------------------------------* @see 1) for Full-text search tools, are indexed, participle, search three components * @see 2) are stored and indexed, is two independent concept * @see---------------  ----------------------------------------------------------------------------------------------* Storage options for @see domain * @see 
 field.store.yes--will store the contents of the domain in a file for easy text restoration * @see Field.Store.NO---means that the contents of the domain are not stored in the file, but are allowed to be indexed and the content cannot be fully restored (Doc.get ("#")) * @see---------------------------------------------------------------------------------------------------------- ---* @see domain index Options * @see Field.Index.ANALYZED----------------for Word segmentation and indexing, for headings, content, etc. * @see Field.Index.NOT_ANALYZED------

------Indexed but not participle (such as ID card number, name, ID, etc.), suitable for accurate search * @see Field.Index.ANALYZED_NOT_NORMS------for Word segmentation but does not store norms information, this norms includes the creation of a cable The time and weight of the cited information * @see field.index.not_analyzed_not_norms--that is not to do participle and not store norms information * @see Field.Index.NO----------------------do not index * @see norms: when data is searched, it involves sorting problems, while the sort is someScoring rules, the information of these sorts is stored in the norms * @see--------------------------------------------------------------------------------     -----------------------------* @see Domain option Best practices * @see field.store field.index field value * @see YES        Not_analyzed_not_norms identifiers (primary key, filename), phone number, ID number, name, date * @see YES analyzed document title and summary * @see No analyzed document body * @see no not_analyzed hidden keyword * @see YES N O document type, database primary key (not indexed) * @see----------------------------------------------------------------------- --------------------------------------* @create June 4:20:19 PM * @author Xuan Yu  
When testing, prepare several files (such as TXT format) that contain content in the myexample/01_file/folder
 
Then execute the CreateIndex () method, then execute the Searchfile () method, and finally watch the console output