Lucene全文搜索的基础原理进行简单的分析，以及Lucene实现全文搜索的流程，之后就是Lucene在Java中的最简单使用：创建索引，查询索引库(The basic principle of Lucene full-text search is briefly analyzed, and the flow of full-text search implemented by Lucene is followed by the simplest use of Lucene in Java: c