private void btnUpdateIndex_Click(object sender, EventArgs e)
{
string id = txtFileId.Text.Trim();
if (string.IsNullOrEmpty(id) == true)
{
SetOutput("请输入文件id(整数)");
return;
}
string filename = "think in lucene......";
if (string.IsNullOrEmpty(id))
{
return;
}
bool enableCreate = IsEnableCreated();//是否已经创建索引文件
Term term = new Term("id", id);
Document doc = new Document();
doc = new Document();//创建文档，给文档添加字段，并把文档添加到索引书写器里
doc.Add(new Field("id", id, Field.Store.YES, Field.Index.TOKENIZED));//存储且索引
doc.Add(new Field("filename", filename, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("contents", filename, Field.Store.YES, Field.Index.TOKENIZED));
LuceneIO.Directory directory = LuceneIO.FSDirectory.GetDirectory(INDEX_STORE_PATH, enableCreate);
IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(),IndexWriter.MaxFieldLength.LIMITED);
writer.UpdateDocument(term, doc);
writer.Optimize();
//writer.Commit();
writer.Close();
directory.Close();
SetOutput(string.Format("更新索引.Id:{0}，已经优化成功", id));
}
///// <summary>
///// 删除索引所保存的文件夹
///// </summary>
///// <param name="sender"></param>
///// <param name="e"></param>
//private void btnDeleteAllIndex_Click(object sender, EventArgs e)
//{
// DeleteFiles(INDEX_STORE_PATH);
// SetOutput(string.Format("{0}文件夹保存的索引已经全部删除", INDEX_STORE_PATH));
//}
private void btnDeleteIndex_Click(object sender, EventArgs e)
{
string id = txtFileId.Text.Trim();
if (string.IsNullOrEmpty(id) ==true)
{
SetOutput("请输入文件id(整数)");
return;
}
LuceneIO.Directory directory = LuceneIO.FSDirectory.GetDirectory(INDEX_STORE_PATH, false);
IndexModifier modifier = new IndexModifier(directory, new StandardAnalyzer(), false);
Term term = new Term("id", id);
modifier.DeleteDocuments(term);//删除
modifier.Close();
directory.Close();
SetOutput(string.Format("删除文件索引成功,ID为{0}！", id));
}