说明：  Lucene原理与代码分析完整版 Lucene是apache软件基金会jakarta项目组的一个子项目，是一个开放源代码的全文检索引擎工具包， 即它不是一个完整的全文检索引擎，而是一个全文检索引擎的架构，提供了完整的查询引擎和索引引擎， 部分文本分析引擎（英文与德文两种西方语言）。Lucene的目的是为软件开发人员提供一个简单易用的工具包， 以方便的在目标系统中实现全文检索的功能，或者是以此为基础建立起完整的全文检索引擎。
(Principles and code of Lucene Lucene is a full version of Software Foundation jakarta apache a subproject of the project team, is an open source of the full-text search engine kits, that it is not a complete full-text search engine, but a full-text search engine architecture, providing a complete query engine and index engine, part of the text analysis engine (in English and German both Western languages). Lucene is intended for software developers to provide an easy to use toolkit to facilitate in the target system to achieve full-text search functions, or as a basis for establishing a complete full-text search engine.)