Пример #1
0
 private void button2_Click(object sender, EventArgs e)
 {
     if (comboBox1.Text.Trim().Equals(""))
     {
         MessageHelper.ShowErrorMessage("索引文件不能为空!");
         return;
     }
     IndexOpen open = new IndexOpen(this.comboBox1.Text, false);
     Console.WriteLine(110);
     if (open.IndexExists()) {
         bool isOpend = open.Open();
         if (isOpend) {
             CurrentIndex.SetCurrentOpendIndex(open);
             this.Close();
             this.DialogResult = DialogResult.OK;
         } else {
             MessageHelper.ShowErrorMessage("打开索引文件失败,有可能是索引文件损坏引起。");
         }
     } else {
         MessageHelper.ShowErrorMessage("索引文件不存在!");
     }
 }
Пример #2
0
        private void btnUpdateDoc_Click(object sender, EventArgs e)
        {
            try
            {
                string path = System.Configuration.ConfigurationSettings.AppSettings["Data"].ToString();
                Analyzer analyzer = new StockFooAnalyzer(path);
                FSDirectory dy = FSDirectory.Open(new DirectoryInfo(System.Configuration.ConfigurationSettings.AppSettings["IndexDirectory"].ToString()));
                IndexWriter indexWriter = new IndexWriter(dy, analyzer, false);
                IOpen oldopen = CurrentIndex.GetCurrentOpendIndex();
                Document olddoc = oldopen.Reader.Document(Convert.ToInt32(textBox1.Text));
                string oldurl = olddoc.Get("url").ToString();
                bool oldisnew = false;
                if (oldurl.Trim().Equals(txturl.Text.Trim()))
                    oldisnew = true;
                Document document = new Document();
                Field ftitle = new Field("title", txttitle.Text, Field.Store.YES, Field.Index.ANALYZED);//存储,索引
                document.Add(ftitle);
                Field furl = new Field("url", txturl.Text, Field.Store.YES, Field.Index.NOT_ANALYZED);//存储,不索引
                document.Add(furl);
                Field fsite = new Field("site", txtsite.Text, Field.Store.YES, Field.Index.NOT_ANALYZED);//存储,不索引
                document.Add(fsite);
                Field fbody = new Field("body", txtbody.Text, Field.Store.YES, Field.Index.ANALYZED);//存储,索引
                document.Add(fbody);
                Field fpublishtime = new Field("publish_time", txtpublishtime.Text, Field.Store.YES, Field.Index.NOT_ANALYZED);//存储,不索引
                document.Add(fpublishtime);

                Term term = new Term("url", txturl.Text);
                indexWriter.UpdateDocument(term, document, analyzer);

                indexWriter.Optimize();
                indexWriter.Close();

                IndexOpen open = new IndexOpen(System.Configuration.ConfigurationSettings.AppSettings["IndexDirectory"].ToString(), false);
                 bool isOpend = open.Open();
                 if (isOpend)
                 {
                     CurrentIndex.SetCurrentOpendIndex(open);
                 }
                 if (!oldisnew)
                 {
                     FindDocuemnt(0);
                     label9.Text = "当前为文档1";
                     textBox1.Text = "0";
                     docNum = docNum + 1;
                     label1.Text = string.Format("共有文档{0}条", docNum);
                 }
                 else
                 {
                     docNum = open.Reader.MaxDoc();
                     FindDocuemnt(docNum - 1);
                     label9.Text = "当前为文档" + (docNum).ToString();
                     textBox1.Text = (docNum - 1).ToString();
                 }
                 MessageBox.Show("更新成功!");
            }
            catch (Exception ex)
            {
                MessageBox.Show("更新失败!\\n"+ex.Message);
            }
        }