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最新推荐文章于 2022-02-25 20:00:37 发布

原创最新推荐文章于 2022-02-25 20:00:37 发布 · 126 阅读

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本文通过Java代码示例展示了如何使用Lucene进行文本搜索。包括创建查询解析器、执行搜索并展示结果等步骤。示例中搜索了如“程序员”、“程序员之家”等关键词，并从不同的字段中获取数据。

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public void SearcherMaxField() throws ParseException, IOException {
Query query = null;
Hits hits = null;
IndexSearcher indexSearcher= null;
QueryParser queryParser= null;
queryParser = new QueryParser("name1",new StandardAnalyzer());
query = queryParser.parse("程序员");
indexSearcher= new IndexSearcher("c:\\index");
hits = indexSearcher.search(query);
System.out.println("您搜的是：程序员");
System.out.println("找到了"+hits.length()+"个结果");
System.out.println("它们分别是：");
for (int i = 0; i < hits.length(); i++){
Document doc = hits.doc(i);
System.out.println(doc.get("name1"));
}
query = queryParser.parse("程序员之家");
indexSearcher= new IndexSearcher("c:\\index");
hits = indexSearcher.search(query);
System.out.println("您搜的是：程序员之家");
System.out.println("找到了"+hits.length()+"个结果");
System.out.println("它们分别是：");
for (int i = 0; i < hits.length(); i++){
Document doc = hits.doc(i);
System.out.println(doc.get("name1"));
}
queryParser = new QueryParser("name2",new StandardAnalyzer());
query = queryParser.parse("Welcome");
indexSearcher= new IndexSearcher("c:\\index");
hits = indexSearcher.search(query);
System.out.println("您搜的是：Welcome");
System.out.println("找到了"+hits.length()+"个结果");
System.out.println("它们分别是：");
for (int i = 0; i < hits.length(); i++){
Document doc = hits.doc(i);
System.out.println(doc.get("name2"));
}
query = queryParser.parse("the");
indexSearcher= new IndexSearcher("c:\\index");
hits = indexSearcher.search(query);
System.out.println("您搜的是：the");
System.out.println("找到了"+hits.length()+"个结果");
System.out.println("它们分别是：");
for (int i = 0; i < hits.length(); i++){
Document doc = hits.doc(i);
System.out.println(doc.get("name2"));
}
query = queryParser.parse("home");
indexSearcher= new IndexSearcher("c:\\index");
hits = indexSearcher.search(query);
System.out.println("您搜的是：home");
System.out.println("找到了"+hits.length()+"个结果");
System.out.println("它们分别是：");
for (int i = 0; i < hits.length(); i++) {
Document doc = hits.doc(i);
System.out.println(doc.get("name2"));
}
}