/// <summary>
/// 生成所有院校索引
/// </summary>
/// <param name="itemCallback"></param>
public void MakeAllSchoolIndex(Action <Document> callback)
{
#region 所有海外大学
string directoryPath = ConfigurationManager.AppSettings["UNIVERTITY_INDEX_FILE_DIRECTORY"].ToString();
OverseaUniversityDao overseaUniversityDao = new OverseaUniversityDao();
List <OverseaUniversity> universityList = overseaUniversityDao.Backstage_GetAllUniversityList();
List <Document> documentList = new List <Document>();
foreach (OverseaUniversity university in universityList)
{
Document indexDoc = new Document();
#region 根据需要添加要被索引的数据列
indexDoc.Add(new Field("Key", string.Concat("OverseaUniversity_", university.UniversityId), Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new NumericField("SchoolId", Field.Store.YES, true).SetIntValue(university.UniversityId));
indexDoc.Add(new Field("Name", university.Name, Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("LC_Name", university.Name.ToLower(), Field.Store.NO, Field.Index.ANALYZED));
indexDoc.Add(new Field("CnName", university.CnName, Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("LC_CnName", university.CnName.ToLower(), Field.Store.NO, Field.Index.ANALYZED));
indexDoc.Add(new Field("Pinyin", university.Pinyin, Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("LC_Pinyin", university.Pinyin.ToLower(), Field.Store.NO, Field.Index.ANALYZED));
#endregion
documentList.Add(indexDoc);
LuceneManager.MakeIndex(documentList, directoryPath, callback);
#endregion
}
}
/// <summary>
/// 生成所有索引
/// </summary>
/// <param name="itemCallback"></param>
public void MakeLuceneIndex(Action <Document> callback)
{
#region 大学专业
SpecialtyDao dao = new SpecialtyDao();
List <Specialty> list = dao.GetSpecialtyList();
PanGuAnalyzer analyzer = new PanGuAnalyzer(true);
string textIndexDir = LuceneManager.GetLuceneTextIndexDirectoryPath(LuceneTextIndexType.Specialty, null);
List <Document> documentList = new List <Document>();
foreach (Specialty item in list)
{
Document indexDoc = new Document();
#region 根据需要添加要被索引的数据列
indexDoc.Add(new NumericField("SpecialtyId", Field.Store.YES, true).SetIntValue(item.SpecialtyId));
indexDoc.Add(new Field("Name", item.Name.ToLower(), Field.Store.YES, Field.Index.ANALYZED));
#endregion 根据需要添加要被索引的数据列
documentList.Add(indexDoc);
}
LuceneManager.MakeIndex(documentList, textIndexDir, callback);
#endregion
}
/// <summary>
/// 生成所有索引
/// </summary>
/// <param name="itemCallback"></param>
public void MakeLuceneIndex(Action <Document> callback)
{
#region 中国大学
ChinaUniversityDao chinaUniverisityDao = new ChinaUniversityDao();
List <ChinaUniversity> universityList = chinaUniverisityDao.GetChinaUniversityList();
PanGuAnalyzer analyzer = new PanGuAnalyzer(true);
string textIndexDir = LuceneManager.GetLuceneTextIndexDirectoryPath(LuceneTextIndexType.ChinaUniversity, null);
List <Document> documentList = new List <Document>();
foreach (ChinaUniversity university in universityList)
{
Document indexDoc = new Document();
#region 根据需要添加要被索引的数据列
indexDoc.Add(new NumericField("UniversityId", Field.Store.YES, true).SetIntValue(university.UniversityId));
indexDoc.Add(new Field("CnName", university.Name.ToLower(), Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("Pinyin", university.Pinyin.ToLower(), Field.Store.YES, Field.Index.ANALYZED));
#endregion 根据需要添加要被索引的数据列
documentList.Add(indexDoc);
}
LuceneManager.MakeIndex(documentList, textIndexDir, callback);
#endregion 中国大学
}
/// <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);
}
public List <SchoolSample> SearchList(string keywords, PagerInfo pagerInfo)
{
List <SchoolSample> list = new List <SchoolSample>();
try
{
BooleanQuery query = new BooleanQuery();
if (!string.IsNullOrEmpty(keywords))
{
string[] keywordsParts = keywords.Split(' ', ',');
foreach (string keywordsPart in keywordsParts)
{
string lowerCaseKeywordsPart = keywordsPart.ToLower();
BooleanQuery groupQuery = new BooleanQuery();
groupQuery.Add(new WildcardQuery(new Term("CnName", "*" + lowerCaseKeywordsPart + "*")), BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Pinyin", "*" + lowerCaseKeywordsPart + "*")), BooleanClause.Occur.SHOULD);
query.Add(groupQuery, BooleanClause.Occur.MUST);
}
}
Sort sort = null;
string textIndexDir = LuceneManager.GetLuceneTextIndexDirectoryPath(LuceneTextIndexType.ChinaUniversity, null);
LuceneManager.SearchLuceneData(textIndexDir, query, sort, pagerInfo, delegate(Document doc)
{
SchoolSample school = new SchoolSample(doc);
list.Add(school);
});
}
catch (Exception ex)
{
pagerInfo.RecordCount = 0;
}
return(list);
}
/// <summary>
/// 生成文章索引
/// </summary>
/// <param name="itemCallback"></param>
public void MakeLuceneIndex(Action <Document> callback)
{
List <Article> list = dao.GetArticleList();
List <Document> documentList = new List <Document>();
foreach (Article item in list)
{
Document indexDoc = new Document();
#region 根据需要添加要被索引的数据列
indexDoc.Add(new Field("Id", string.Concat("", item.Id), Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("Title", item.Title, Field.Store.YES, Field.Index.ANALYZED));
indexDoc.Add(new Field("Content", item.Content, Field.Store.YES, Field.Index.ANALYZED));
#endregion 根据需要添加要被索引的数据列
documentList.Add(indexDoc);
LuceneManager.MakeIndex(documentList, directoryPath, callback);
}
}
/// <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 + "*")), BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Title", "*" + keywordsPart + "*")), BooleanClause.Occur.SHOULD);
groupQuery.Add(new WildcardQuery(new Term("Content", "*" + keywordsPart + "*")), BooleanClause.Occur.SHOULD);
query.Add(groupQuery, BooleanClause.Occur.MUST);
}
Sort sort = null;
try
{
List <Document> documentList = LuceneManager.SearchLuceneData(directoryPath, query, sort, pagerInfo, null);
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);
}
