lucene 删除索引
public static void deleteDocument(HttpServletRequest request, String id){
String pa = request.getRealPath("").replace("fangdake", "");
String pathdir =pa+"fasdq"+File.separator+PrePath ;
Analyzer analyzer = new IKAnalyzer();
File path = new File(pathdir);
try {
Directory directory = FSDirectory.open(path);
IndexReader reader = IndexReader.open(directory,false);
// indexWriter.setUseCompoundFile(true);
reader.deleteDocuments(new Term("id",id));
// reader.deleteDocument(10);
reader.flush();
reader.close();
System.out.println("删除索引");
} catch (CorruptIndexException e) {
e.printStackTrace();
} catch (LockObtainFailedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}