lucene全文搜索代码　 lucene全文搜索组件是Jakarta Apache的开源项目，由资深全文索引/检索专家DougCutting贡献，主要解决各个中小型应用程序加入全文检索功能。(Lucene full text search code Lucene full-text search component is Jakarta Apache open source project, by the senior full-text indexing / retrieval expert DougCutting contribution, mainly to solve the small applications of each adding full-text search function.)