Nutch 0.8笔记 Google式的搜索引擎实现

1.Nutch 0.8 的安装与运行

2.Nutch You should know

2.1 一份文档

2.2 三个目录

2.3 爬行过程

2.4 搜索过程

NutchBean bean 
=
 
new
 NutchBean();

    Query query 
=
 Query.parse(args[
0
]);

    Hits hits 
=
 bean.search(query, NUM_HITS,
"
title
"
,
true
);

    
for
 (
int
 i 
=
 
0
; i 
<
 hits.getLength(); i
++
) {

      Hit hit 
=
 hits.getHit(i);

      HitDetails details 
=
 bean.getDetails(hit);

      String title 
=
 details.getValue(
"
title
"
);

      String url 
=
 details.getValue(
"
url
"
);

      String summary 
=
bean.getSummary(details, query);

    }

这里NutchBean为我们做了几样事情：

3. 修改源码或编写插件