每日一练

pinyinReader:

package jim.pinyinReader;import java.io.BufferedReader;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.document.Field.Index;import org.apache.lucene.index.CorruptIndexException;import org.apache.lucene.index.IndexReader;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 pinyinReader {Document doc = null;Field field = null;IndexWriter writer = null;public void ReadPY(){BufferedReader myIn = null;StringBuffer sb1 = new StringBuffer();StringBuffer sb2 = new StringBuffer();IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_35, new IKAnalyzer());//选择lucene的版本以及分词器的版本  try {Directory directory = FSDirectory.open(new File("index"));//创建directory,其储存方式为在writer = new IndexWriter(directory,iwc);} catch (CorruptIndexException e1) {e1.printStackTrace();} catch (LockObtainFailedException e1) {e1.printStackTrace();} catch (IOException e1) {e1.printStackTrace();}//创建引索器  try{myIn = new BufferedReader(new FileReader("test.txt"));}catch(FileNotFoundException e){System.out.println("File not be found!!");}int s = 0;try {while((s = myIn.read()) != -1){if(s != '\n')if(!((s < 'a'||s>'z')&& (s != ' ')&&(s != '\''))){sb1.append((char)s);//添加拼音}else{sb2.append((char)s);//添加汉字}else{System.out.println("换行");doc = new Document();//创建索引文件  System.out.println("sb1: "+sb1);field = new Field("pinyin",sb1.toString(),Field.Store.YES,Index.ANALYZED);//创建索引doc.add(field); sb1.delete(0,sb1.capacity()-1);System.out.println("sb2: "+sb2);field = new Field("ciyu",sb2.toString(),Field.Store.YES,Index.NOT_ANALYZED);//创建索引doc.add(field);sb2.delete(0,sb2.capacity()-1);writer.addDocument(doc);}} writer.close();//关闭索引器} catch (IOException e) {System.out.println("Read Error");e.printStackTrace();}try {myIn.close();} catch (IOException e) {System.out.println("Close Error");e.printStackTrace();}}public void check() throws IOException{//检查索引是否被正确建立(打印索引)Directory directory = FSDirectory.open(new File("index"));//创建directory,其储存方式为在directory = FSDirectory.open(new File("index"));IndexReader reader = IndexReader.open(directory);for(int i = 0;i<reader.numDocs();i++){System.out.println(reader.document(i));}}public static void main(String args[]){pinyinReader reader = new pinyinReader();reader.ReadPY();//try {//reader.check();//} catch (IOException e) {//// TODO Auto-generated catch block//e.printStackTrace();//}}}

Searcher:

package jim.pinyinReader;import java.io.File;  import java.io.IOException;    import org.apache.lucene.document.Document;  import org.apache.lucene.index.CorruptIndexException;  import org.apache.lucene.index.IndexReader;  import org.apache.lucene.queryParser.ParseException;  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;  import org.wltea.analyzer.lucene.IKAnalyzer;    class Search {        Directory directory = null;//存储方式      String indexPath = "index";//引索存放的目录      IndexReader reader = null;//读入引索      IndexSearcher searcher = null;//确定搜索对象      QueryParser parser = null;//用于确定搜索时的引索的版本以及分词器      Query query = null;//记录要搜索的词语      TopDocs tds = null;//记录搜索后返回的结果      Document document = null;//存放搜索结果以便于提取结果      ScoreDoc[] sds = null;//存放TopDocs传来的内容(搜索结果)      public Search(String KeyWord){          try {              directory = FSDirectory.open(new File(indexPath));          } catch (IOException e) {              System.out.println("创建Directory时发生错误!");              e.printStackTrace();          }//创建directory,其储存方式为在硬盘上储存          try {              reader = IndexReader.open(directory);          } catch (CorruptIndexException e) {              System.out.println("创建IndexReader时发生错误!");              e.printStackTrace();          } catch (IOException e) {              System.out.println("创建IndexReader时发生错误!");              e.printStackTrace();          }          searcher = new IndexSearcher(reader);          parser = new QueryParser(Version.LUCENE_35,"pinyin",new IKAnalyzer());          try {              query = parser.parse(KeyWord);  // 在此输入拼音        } catch (ParseException e) {              System.out.println("query = parser.parse(\"keyword\")时发生错误");              e.printStackTrace();          }          try {              tds = searcher.search(query,5);          } catch (IOException e) {              System.out.println("std = searcher.search(query,5);时发生错误");              e.printStackTrace();          }           sds = tds.scoreDocs;          System.out.println("一共搜索到: "+sds.length+" 条");          if(sds.length != 0){          for( ScoreDoc sd:sds){                            try {                  document = searcher.doc(sd.doc);              } catch (CorruptIndexException e) {                  System.out.println("document = searcher.doc(sd.doc);时发生错误");                  e.printStackTrace();              } catch (IOException e) {                  System.out.println("document = searcher.doc(sd.doc);时发生错误");                  e.printStackTrace();              }              System.out.println(document.get("pinyin")+"["+document.get("ciyu")+"]");                        }      }          else              System.out.println("The word you enter can't be found!");                    try {              reader.close();          } catch (IOException e) {              System.out.println("关闭reader时发生错误!");              e.printStackTrace();          }                    System.out.println("Finished");      }        }  public class Searcher {      public static void main(String [] args){          new Search("wo");      }  }  

今天的收获:

今天把输拼音出汉字搞定了,虽然不是很准确.

今天的不足:

没用弄好汉字转拼音