Lucene不是一个完整的全文索引应用，而是是一个用Java写的全文索引引擎工具包，它可以方便的嵌入到各种应用中实现针对应用的全文索引/检索功能。-Lucene is not a complete full-text indexing applications, but is a use Java to write the full-text indexing engine kit, which can be easily embedded into a wide range of applic