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1个月前 乐逍遥 :
//模拟数据
private DataTable CreateData()
{
DataTable dt = new DataTable();
DataColumn[] dc = new DataColumn[2];
dc[0] = new DataColumn("bianhao");
dc[1] = new DataColumn("xingming");
dt.Columns.AddRange(dc);
DataRow dr = dt.NewRow();
dr["bianhao"] = "1";
dr["xingming"] = "广西柳州政务有限公司";
DataRow dr1 = dt.NewRow();
dr1["bianhao"] = "1";
dr1["xingming"] = "广西政务有限公司";
dt.Rows.Add(dr);
dt.Rows.Add(dr1);
return dt;
}
//创建索引
public IndexWriter CreateIndex()
{
IndexWriter writer = new IndexWriter("e:/index/", new ChineseAnalyzer(), true);
try
{
//建立索引字段
DataTable dt = CreateData();
foreach (DataRow dr in dt.Rows)
{
Document doc = new Document();
doc.Add(new Field("bianhao", dr["bianhao"].ToString(), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("xingming", dr["xingming"].ToString(), Field.Store.YES, Field.Index.TOKENIZED));
writer.AddDocument(doc);
}
writer.Optimize();
writer.Close();
}
catch (Exception e)
{
throw e;
}
return writer;
}
//查询
public Hits seacher(string queryString)
{
Hits hits = null;
try
{
IndexSearcher mysea = new IndexSearcher("e:/index/");
QueryParser queryParse = new QueryParser("xingming", new ChineseAnalyzer());
Query QUE = queryParse.Parse(queryString);
hits = mysea.Search(QUE);
}
catch (Exception e)
{
throw e;
}
return hits;
}
2楼
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