package lia.meetlucene;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.cjk.CJKAnalyzer;
import org.apache.lucene.analysis.cn.ChineseAnalyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
import org.apache.lucene.analysis.tokenattributes.TermAttribute;
import org.apache.lucene.util.Version;
/**
* 分词器测试类,支持lucene3.0以上版本
* 分词器IKAnalyzer3.2.5Stable.jar
* @author hpjianhua
* @Date 2011 04 08
*
*/
public class Searchnum {
// 要分词的字符串
private static String text = "中国,古时通常泛指中原地区,与中华中夏 中土中州含义相同。古代华夏族、汉族建国于黄河流域一带,以为居天下之中,故称中国";
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
//Analyzer ikAnalyzer = new CJKAnalyzer(Version.LUCENE_30) ;
Analyzer ikAnalyzer = new ChineseAnalyzer() ;
System.out.println("======中文=======IKAnalyzer======分词=======");
showToken(ikAnalyzer, text);
Analyzer standardAnalyzer = new StandardAnalyzer(Version.LUCENE_30);
System.out.println("=====一元========StandardAnalyzer=====分词========");
showToken(standardAnalyzer, text);
}
/**
* 分词及打印分词结果的方法
* @param analyzer 分词器名称
* @param text 要分词的字符串
* @throws IOException 抛出的异常
*/
public static void showToken(Analyzer analyzer, String text) throws IOException {
Reader reader = new StringReader(text);
TokenStream stream = (TokenStream)analyzer.tokenStream("", reader);
//添加工具类 注意:以下这些与之前lucene2.x版本不同的地方
TermAttribute termAtt = (TermAttribute)stream.addAttribute(TermAttribute.class);
OffsetAttribute offAtt = (OffsetAttribute)stream.addAttribute(OffsetAttribute.class);
// 循环打印出分词的结果,及分词出现的位置
while(stream.incrementToken()){
System.out.print(termAtt.term() + "|("+ offAtt.startOffset() + " " + offAtt.endOffset()+")");
}
System.out.println();
}
}
中文分词比较:
http://my.oschina.net/MrMichael/blog/335611
其他分词均不支持