Lucene.Net简介

说明:Lucene.Net 只是一个全文检索开发包 .查询数据的时候从Lucene.Net查询数据.可以看做是一个提供了全文检索功能的数据库.

注意:只能搜索文本字符串.

重要概念:分词,基于词库的分词算法.(庖丁解牛,盘古分词)

1.1 添加一个窗体应用程序

1.2 添加引用-https://pan.baidu.com/s/1dFnB3NV中的15目录下

1.3 添加字典文件夹-https://pan.baidu.com/s/1dFnB3NV中的15目录下,并修改属性=复制到输出目录

具体编写代码

using Lucene.Net.Analysis;
using Lucene.Net.Analysis.PanGu;
using Lucene.Net.Analysis.Standard;
using NSharp.SearchEngine.Lucene.Analysis.Cjk;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BFFJ.LuceneNetDemo
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        //一元分词
        private void button1_Click(object sender, EventArgs e)
        {
            Analyzer analyzer = new StandardAnalyzer();
            TokenStream tokenStream = analyzer.TokenStream("",new StringReader("北京,Hi欢迎你们大家"));
            Lucene.Net.Analysis.Token token = null;
            while ((token = tokenStream.Next()) != null)
            {
                Console.WriteLine(token.TermText());
            }
        }
        //二元分词
        private void button2_Click(object sender, EventArgs e)
        {
            Analyzer analyzer = new CJKAnalyzer();
            TokenStream tokenStream = analyzer.TokenStream("", new StringReader("北京,Hi欢迎你们大家"));
            Lucene.Net.Analysis.Token token = null;
            while ((token = tokenStream.Next()) != null)
            {
                Console.WriteLine(token.TermText());
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            Analyzer analyzer = new PanGuAnalyzer();
            TokenStream tokenStream = analyzer.TokenStream("", new StringReader("北京,Hi欢迎你们大家"));
            Lucene.Net.Analysis.Token token = null;
            while ((token = tokenStream.Next()) != null)
            {
                Console.WriteLine(token.TermText());
            }
        }
    }
}

运行效果