lucence.net+盘古分词

第一步：

添加盘古和lucence的dll引用

第二步：

拷贝Dict文件夹到项目 demo里面是Dictionaries 不过官方建议改成Dict

然后把所有项右击属性 改为“如果较新则复制”

using Lucene.Net.Analysis;
using Lucene.Net.Analysis.PanGu;
using PanGu;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace CZBK.HeiMaOA.Common
{
public  class WebCommon
{
/// <summary>
/// 对字符串进行MD5运算
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string Md5String(string str)
{
MD5 md5 = MD5.Create();
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(str);
byte[]md5Buffer= md5.ComputeHash(buffer);
StringBuilder sb = new StringBuilder();
foreach (byte b in md5Buffer)
{
sb.Append(b.ToString("x2"));
}
return sb.ToString();
}
//对输入的搜索条件进行分词
public static string[] PanGuSplitWord(string str)
{
List<string> list = new List<string>();
Analyzer analyzer = new PanGuAnalyzer();
TokenStream tokenStream = analyzer.TokenStream("", new StringReader(str));
Lucene.Net.Analysis.Token token = null;
while ((token = tokenStream.Next()) != null)
{
list.Add(token.TermText());
}
return list.ToArray();
}

// /创建HTMLFormatter,参数为高亮单词的前后缀
public static string CreateHightLight(string keywords, string Content)
{
PanGu.HighLight.SimpleHTMLFormatter simpleHTMLFormatter =
new PanGu.HighLight.SimpleHTMLFormatter("<font color=\"red\">", "</font>");
//创建Highlighter ，输入HTMLFormatter 和盘古分词对象Semgent
PanGu.HighLight.Highlighter highlighter =
new PanGu.HighLight.Highlighter(simpleHTMLFormatter,
new Segment());
//设置每个摘要段的字符数
highlighter.FragmentSize = 150;
//获取最匹配的摘要段
return highlighter.GetBestFragment(keywords, Content);

}

}
}

View Code

参开文档
http://www.cnblogs.com/birdshover/category/152283.html http://www.cnblogs.com/piziyimao/archive/2013/01/31/2887072.html