MyLucene-pre
所属分类:Java编程
开发工具:Java
文件大小:8293KB
下载次数:7
上传日期:2012-05-14 10:24:01
上 传 者:
banzhiyan009
说明: 基于Lucene的搜索引擎,带源码,带文档说明
(Lucene-based search engine,With source code, with documentation)
文件列表:
MyLucene\Crawler.class (3379, 2007-12-25)
MyLucene\Crawler.java.bak (2994, 2007-12-01)
MyLucene\JSP\count.txt (1, 2007-12-25)
MyLucene\JSP\Crawler.classd (3379, 2007-12-25)
MyLucene\JSP\Crawler.java (2995, 2007-12-25)
MyLucene\JSP\doc\118.txt (75, 2007-12-01)
MyLucene\JSP\doc\119.txt (75, 2007-12-01)
MyLucene\JSP\doc\120.txt (85, 2007-12-01)
MyLucene\JSP\doc\121.txt (47, 2007-12-01)
MyLucene\JSP\doc\122.txt (65, 2007-12-01)
MyLucene\JSP\doc\123.txt (79, 2007-12-01)
MyLucene\JSP\doc\124.txt (46, 2007-12-01)
MyLucene\JSP\doc\125.txt (83, 2007-12-01)
MyLucene\JSP\doc\126.txt (96, 2007-12-01)
MyLucene\JSP\doc\127.txt (138, 2007-12-01)
MyLucene\JSP\doc\128.txt (107, 2007-12-01)
MyLucene\JSP\doc\129.txt (88, 2007-12-01)
MyLucene\JSP\doc\130.txt (111, 2007-12-01)
MyLucene\JSP\doc\131.txt (111, 2007-12-01)
MyLucene\JSP\doc\132.txt (111, 2007-12-01)
MyLucene\JSP\doc\133.txt (111, 2007-12-01)
MyLucene\JSP\doc\134.txt (108, 2007-12-01)
MyLucene\JSP\doc\135.txt (108, 2007-12-01)
MyLucene\JSP\doc\136.txt (108, 2007-12-01)
MyLucene\JSP\doc\137.txt (108, 2007-12-01)
MyLucene\JSP\doc\138.txt (108, 2007-12-01)
MyLucene\JSP\doc\139.txt (108, 2007-12-01)
MyLucene\JSP\doc\140.txt (70, 2007-12-01)
MyLucene\JSP\doc\141.txt (58, 2007-12-01)
MyLucene\JSP\doc\142.txt (52, 2007-12-01)
MyLucene\JSP\doc\143.txt (48, 2007-12-01)
MyLucene\JSP\doc\144.txt (50, 2007-12-01)
MyLucene\JSP\doc\145.txt (53, 2007-12-01)
MyLucene\JSP\doc\146.txt (48, 2007-12-01)
MyLucene\JSP\doc\147.txt (51, 2007-12-01)
MyLucene\JSP\doc\148.txt (52, 2007-12-01)
MyLucene\JSP\doc\149.txt (54, 2007-12-01)
MyLucene\JSP\doc\150.txt (54, 2007-12-01)
MyLucene\JSP\doc\151.txt (54, 2007-12-01)
MyLucene\JSP\doc\152.txt (54, 2007-12-01)
... ...
用到主要的类以及类的功能说明:
IndexWriter:lucene中最重要的的类之一,它主要是用来将文档加入索引,同时控制索引过程中的一些参数使用。
Analyzer:分析器,主要用于分析搜索引擎遇到的各种文本。常用的有StandardAnalyzer分析器,StopAnalyzer分析器,WhitespaceAnalyzer分析器等。
Directory:索引存放的位置;lucene提供了两种索引存放的位置,一种是磁盘,一种是内存。一般情况将索引放在磁盘上;相应地lucene提供了FSDirectory和RAMDirectory两个类。
Document:文档;Document相当于一个要进行索引的单元,任何可以想要被索引的文件都必须转化为Document对象才能进行索引。
Field:字段。
IndexSearcher:是lucene中最基本的检索工具,所有的检索都会用到IndexSearcher工具;
Query:查询,lucene中支持模糊查询,语义查询,短语查询,组合查询等等,如有TermQuery,BooleanQuery,RangeQuery,WildcardQuery等一些类。
QueryParser: 是一个解析用户输入的工具,可以通过扫描用户输入的字符串,生成Query对象。
Hits:在搜索完成之后,需要把搜索结果返回并显示给用户,只有这样才算是完成搜索的目的。在lucene中,搜索的结果的集合是用Hits类的实例来表示的。
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