private static void Main(string[] args)
{
try
{
Console.WriteLine("请选择要进行的操作");
Console.WriteLine("输入Y，生成所有文章索引");
Console.WriteLine("输入F，生成所有文章索引");
Console.WriteLine("> X:关闭程序");
string input = Console.ReadLine();
ArticleLuceneBo luceneBo = new ArticleLuceneBo();
if (string.Compare(input, "y", true) == 0)
{
Console.WriteLine("开始执行：生成所有文章索引......");
string panguConfigPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "PanGu\\PanGu.xml");
PanGu.Segment.Init(panguConfigPath);
luceneBo.MakeArticleLuceneIndex(delegate(Document indexDoc)
{
Console.WriteLine("生成了文章《{0}》的索引", indexDoc.Get("Title"));
});
Console.WriteLine("索引全部生成");
}
else if (string.Compare(input, "F", true) == 0)
{
Console.WriteLine("输入要查找的关键字，关键字用逗号分开");
string keyword = Console.ReadLine();
PagerInfo pagerInfo = new PagerInfo() { PageIndex = 1, PageSize = 10 };
List<LuceneArticle> list = luceneBo.SearchArticleList(keyword, pagerInfo);
Console.WriteLine("索引结果如下：");
if (list != null)
{
list.ForEach(item =>
{
Console.WriteLine(item.Content);
});
}
}
if (string.Compare(input, "X", true) == 0)
{
Environment.Exit(0);
}
}
catch (Exception ex)
{
Console.WriteLine("程序出错：{0}", ex.Message);
}
Console.ReadLine();
}
/// <summary>
/// 按关键词搜索学校
/// </summary>
/// <param name="keywords"></param>
/// <param name="pagerInfo"></param>
/// <returns></returns>
public List<SchoolSample> SearchSchoolList(string keywords, PagerInfo pagerInfo)
{
List<SchoolSample> list = new List<SchoolSample>();
try
{
BooleanQuery query = new BooleanQuery();
if (!string.IsNullOrEmpty(keywords))
{
string[] keywordsParts = StringHelper.Split<string>(keywords, StringSplitOptions.RemoveEmptyEntries, " ", ",");
foreach (string keywordsPart in keywordsParts)
{
string lowerCaseKeywordsPart = keywordsPart.ToLower();
BooleanQuery groupQuery = new BooleanQuery();
groupQuery.Add(new WildcardQuery(new Term("Name", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("CnName", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Pinyin", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("LC_Name", "*" + lowerCaseKeywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("LC_CnName", "*" + lowerCaseKeywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("LC_Pinyin", "*" + lowerCaseKeywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
query.Add(groupQuery, BooleanClause.Occur.MUST);
}
Sort sort = null;
LuceneManager.SearchLuceneData(LuceneTextIndexType.AllSchool, query, sort, pagerInfo, delegate(Document doc)
{
SchoolSample school = new SchoolSample(doc);
list.Add(school);
});
}
}
catch (Exception ex)
{
LogHelper.WriteLog(ex);
pagerInfo.RecordCount = 0;
}
return list;
}
/// <summary>
/// 按关键词搜索文章
/// </summary>
/// <param name="keywords"></param>
/// <param name="pagerInfo"></param>
/// <returns></returns>
public List<LuceneArticle> SearchArticleList(string keywords, PagerInfo pagerInfo)
{
List<LuceneArticle> list = new List<LuceneArticle>();
BooleanQuery query = new BooleanQuery();
if (!string.IsNullOrEmpty(keywords))
{
string[] keywordsParts = keywords.Split(',');//逗号分隔
foreach (string keywordsPart in keywordsParts)
{
string lowerCaseKeywordsPart = keywordsPart.ToLower();
BooleanQuery groupQuery = new BooleanQuery();
groupQuery.Add(new WildcardQuery(new Term("Id", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Title", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Content", "*" + keywordsPart + "*")), Lucene.Net.Search.BooleanClause.Occur.SHOULD);
query.Add(groupQuery, BooleanClause.Occur.MUST);
}
Sort sort = null;
try
{
List<Document> documentList = LuceneManager.SearchLuceneData(directoryPath, query, sort, pagerInfo);
if (documentList != null && documentList.Count > 0)
{
documentList.ForEach(item => { list.Add(new LuceneArticle(item)); });
}
}
catch (Exception ex)
{
LogHelper.Info(this, ex.ToString());
pagerInfo.RecordCount = 0;
}
}
return list;
}
/// <summary>
/// 搜索LUCENE数据
/// </summary>
/// <param name="indexType"></param>
/// <param name="query"></param>
/// <param name="sort"></param>
/// <param name="pagerInfo"></param>
/// <param name="callback"></param>
/// <returns></returns>
public static List<Document> SearchLuceneData(string directoryPath, Query query, Sort sort, PagerInfo pagerInfo)
{
List<Document> list = new List<Document>();
FSDirectory directory = FSDirectory.Open(new System.IO.DirectoryInfo(directoryPath), new NoLockFactory());
IndexReader indexReader = IndexReader.Open(directory, true);
IndexSearcher indexSearcher = new IndexSearcher(indexReader);
ScoreDoc[] docs;
int totalCount;
int startOffset;
int endOffset;
if (sort != null)
{
TopFieldDocs resultFieldDocs = indexSearcher.Search(query, null, indexSearcher.MaxDoc(), sort);
totalCount = resultFieldDocs.totalHits;
pagerInfo.RecordCount = totalCount;
startOffset = (pagerInfo.PageIndex - 1) * pagerInfo.PageSize;
endOffset = pagerInfo.PageIndex * pagerInfo.PageSize;
if (endOffset >= totalCount)
{
endOffset = totalCount;
}
docs = resultFieldDocs.scoreDocs;
}
else
{
TopDocs resultFieldDocs = indexSearcher.Search(query, null, indexSearcher.MaxDoc());
totalCount = resultFieldDocs.totalHits;
pagerInfo.RecordCount = totalCount;
startOffset = (pagerInfo.PageIndex - 1) * pagerInfo.PageSize;
endOffset = pagerInfo.PageIndex * pagerInfo.PageSize;
if (endOffset >= totalCount)
{
endOffset = totalCount;
}
docs = resultFieldDocs.scoreDocs;
}
if (totalCount > 0)
{
for (int i = startOffset; i < endOffset; i++)
{
ScoreDoc hit = docs[i];
Document doc = indexSearcher.Doc(hit.doc);
list.Add(doc);
}
}
indexSearcher.Close();
directory.Close();
return list;
}
