Lucene之Field

doc.add(new Field("file",file.getName(),Field.Store.YES,Field.Index.NO));
//doc.add(Field.UnIndexed("file", file.getName()));
后者在lucene的后续版本中找不到了,可能是被抛弃的方法吧.现在用上面的方法代替.

org.apache.lucene.analysis包
org.apache.lucene.analysis.br包:Analyzer for Brazilian(巴西);
org.apache.lucene.analysis.cjk包:Analyzer for Chinese,Japanese,Korean(韩国);
org.apache.lucene.analysis.cn包:Analyzer for Chinese(中国);
org.apache.lucene.analysis.cz包:Analyzer for Czech(捷克);
org.apache.lucene.analysis.de包:Analyzer for German(德国);
org.apache.lucene.analysis.el包:Analyzer for Greek(希腊);
org.apache.lucene.analysis.fr包:Analyzer for French(法国);
org.apache.lucene.analysis.nl包:Analyzer for Dutch(荷兰);
org.apache.lucene.analysis.ru包:Analyzer for Russian(俄国);

org.apache.lucene.analysis.cn下有三个class:
ChineseAnalyzer:analyzer的子类
ChineseFilter
ChineseTokenizer

Field.Index.NO:不索引Field的值
Field.Index.NO_NORMS:索引Field的值without解析器(Analyzer),and disable the storing of norms
Field.Index.TOKENIZED:索引Field的值,使它能被查到
Field.Index.UN_TOKENIZED:索引Field的值without解析器(Analyzer),使它能被查到

Field.Store.COMPRESS:用压缩的格式在索引上存储最初的Field值
Field.Store.NO:不在索引上存储该Field的值
Field.Store.YES:为该Field值创建索引

java.lang.ClassCastException: org.apache.lucene.search.Hit