Lucene search-search from multiple index files

Import java. io. StringReader;
Import java. util. Date;

Import org.apache.e.analysis.cn. ChineseAnalyzer;
Import org.apache.e.doc ument. Document;
Import org. apache. lucene. index. IndexReader;
Import org. apache. lucene. queryParser. QueryParser;
Import org. apache. lucene. search. Hits;
Import org. apache. lucene. search. IndexSearcher;
Import org. apache. lucene. search. MultiSearcher;
Import org. apache. lucene. search. Query;

Import org. apache. lucene. search. highlight. Highlighter;

Public class Search {
Public static void main (String [] args) throws Exception {
Search test = new Search ();
//
Hits h = null;
H = test. search ("show ");
Test. printResult (h );

 
}
Public Search (){
Try {
// Searcher = new IndexSearcher (IndexReader. open ("E: // lucene // test4 // index "));
Searchers = new IndexSearcher [2];
Searchers [0] = new IndexSearcher (IndexReader. open ("E: // lucene // test4 // index "));
Searchers [1] = new IndexSearcher (IndexReader. open ("E: // lucene // test5 // index "));

} Catch (Exception e ){
E. printStackTrace ();
}
}
IndexSearcher [] searchers = null;
// Declare an IndexSearcher object

// Declare a Query object
Private Query query = null;
ChineseAnalyzer analyzer = new ChineseAnalyzer ();
Highlighter highlighter = null;
Public final Hits search (String keyword ){
System. out. println ("retrieving keywords:" + keyword );
Try {
Date start = new Date ();


/***** A keyword used to query a field *****/
QueryParser qp = new QueryParser ("content", analyzer );
Query = qp. parse (keyword );

 



MultiSearcher multiSearcher = new MultiSearcher (searchers );
Hits hits = multiSearcher. search (query );


Date end = new Date ();
System. out. println ("retrieval completed, time used" + (end. getTime ()-start. getTime () + "millisecond ");
Return hits;
} Catch (Exception e ){
E. printStackTrace ();
Return null;
}

}
 
 
Public void printResult (Hits h ){
If (h. length () = 0 ){
System. out. println ("sorry, the result is not found .");
} Else {
For (int I = 0; I Try {
Document doc = h.doc (I );
// System. out. println ("result" + (I + 1) + ":" + doc. get ("id") + "createTime:" + doc. get ("createTime") + "title:" + doc. get ("title") + "content:" + doc. get ("content "));

System. out. println ("result" + (I + 1) + ":" + doc. get ("id") + "createTime:" + doc. get ("createTime") + "title:" + doc. get ("title") + "content:" + doc. get ("content "));

// System. out. println (doc. get ("path "));
} Catch (Exception e ){
E. printStackTrace ();
}
}
}
System. out. println ("--------------------------------------");
}
}