/// <summary>
/// 保存
/// </summary>
/// <param name="doc"></param>
/// <returns></returns>
public bool SubmitForm(KnowledgeInfoEntity entity, string keyValue)
{
if (!string.IsNullOrEmpty(keyValue))
{
//修改
entity.knowledgeGUID = keyValue;
entity.UpdateDate = DateTime.Now;
_knowledgeRepository.Update(entity);
#region 创建索引
//创建索引
var updateEntity = _knowledgeRepository.FindEntity(keyValue);
IndexData indexData = new IndexData();
indexData.JobType = JobType.Up;
indexData.Data = updateEntity;
var indexManage = IndexManager.GetInstance();
indexManage.AddJobs(indexData);
#endregion
return(true);
}
else
{
entity.CreateById = OperatorProvider.Provider.Current().UserId;
entity.CreateBy = OperatorProvider.Provider.Current().UserName;
entity.CreateDate = DateTime.Now;
entity.UpdateDate = DateTime.Now;
entity.knowledgeGUID = Guid.NewGuid().ToString();
entity.ViewCount = 1;
#region 创建索引
//创建索引
IndexData indexData = new IndexData();
indexData.JobType = JobType.New;
indexData.Data = entity;
var indexManage = IndexManager.GetInstance();
indexManage.AddJobs(indexData);
#endregion
return(_knowledgeRepository.Insert(entity));
}
}
/// <summary>
/// 处理实际数据
/// </summary>
/// <param name="writer"></param>
private void ProcessJobs()
{
Regex r = new Regex("<img.[^>]+[>]+", RegexOptions.ExplicitCapture);
KnowledgeInfoEntity dataManager = new KnowledgeInfoEntity();
while (jobs.Count != 0)
{
IndexData job = jobs.Dequeue();
string IndexDic = __SearchAppIndexPath;
//创建索引目录
if (!System.IO.Directory.Exists(IndexDic))
{
System.IO.Directory.CreateDirectory(IndexDic);
}
FSDirectory directory = FSDirectory.Open(new DirectoryInfo(IndexDic), new NativeFSLockFactory());
bool isUpdate = IndexReader.IndexExists(directory);
//logger.Debug("索引库存在状态" + isUpdate);
if (isUpdate)
{
//如果索引目录被锁定（比如索引过程中程序异常退出），则首先解锁
if (IndexWriter.IsLocked(directory))
{
//logger.Debug("开始解锁索引库");
IndexWriter.Unlock(directory);
//logger.Debug("解锁索引库完成");
}
}
IndexWriter writer = new IndexWriter(directory, new PanGuAnalyzer(), !isUpdate, Lucene.Net.Index.IndexWriter.MaxFieldLength.UNLIMITED);
writer.DeleteDocuments(new Term("knowledgeGUID", job.Data.knowledgeGUID.ToString()));
//如果是“添加任务”再添加，
if (job.JobType == JobType.Up || job.JobType == JobType.New)
{
KnowledgeInfoEntity data = job.Data;
/*去除为NULL数据*/
if (string.IsNullOrEmpty(data.Title))
{
data.Title = string.Empty;
}
if (string.IsNullOrEmpty(data.ContentNoHtml))
{
data.ContentNoHtml = string.Empty;
}
if (string.IsNullOrEmpty(data.Summary))
{
data.Summary = string.Empty;
}
if (string.IsNullOrEmpty(data.CreateBy))
{
data.CreateBy = string.Empty;
}
Document document = new Document();
document.Add(new Field("knowledgeGUID", data.knowledgeGUID.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("Title", data.Title, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("ContentNoHtml", r.Replace(data.ContentNoHtml, ""), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("Summary", data.Summary, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("CreateBy", data.CreateBy, Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("UpdateDate", data.UpdateDate.Value.ToString("yyyy-MM-dd"), Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("ViewCount", data.ViewCount.ToString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("DataType", data.DataType, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.AddDocument(document);
//logger.Debug("索引" + job.Data.DataGUID.ToString() + "完毕");
}
writer.Close();
directory.Close();//不要忘了Close，否则索引结果搜不到
}
}
/// <summary>
/// 查询数据
/// </summary>
/// <param name="startRowIndex"></param>
/// <param name="pageSize"></param>
/// <param name="totalCount"></param>
/// <returns></returns>
public List <KnowledgeInfoEntity> ShowDatas(SearchParam SearchParam, string[] JS_Fields)
{
List <KnowledgeInfoEntity> listData = new List <KnowledgeInfoEntity>();
FSDirectory directory = FSDirectory.Open(new DirectoryInfo(__SearchAppIndexPath), new NoLockFactory());
IndexReader reader = IndexReader.Open(directory, true);
//IndexSearcher是进行搜索的类
IndexSearcher searcher = new IndexSearcher(reader);
BooleanQuery bQuery = new BooleanQuery();
//被""包裹,不进行分词处理
if (SearchParam.KeyValue.Length > 2 &&
SearchParam.KeyValue.IndexOf("\"") == 0 &&
SearchParam.KeyValue.LastIndexOf("\"") == SearchParam.KeyValue.Length - 1)
{
SearchParam.KeyValue = SearchParam.KeyValue.Substring(1, SearchParam.KeyValue.Length - 2);
}
else
{
SearchParam.KeyValue = ReplaceChar(SearchParam.KeyValue);
////分词
SearchParam.KeyValue = GetKeyWordsSplitBySpace(SearchParam.KeyValue);
}
if (string.IsNullOrEmpty(SearchParam.KeyValue))
{
return(listData);
}
QueryParser parse;
Query query;
foreach (string strField in JS_Fields)
{
//创建标题索引搜索
parse = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, strField, new PanGuAnalyzer());
query = parse.Parse(SearchParam.KeyValue);
parse.SetDefaultOperator(QueryParser.Operator.AND);
bQuery.Add(query, BooleanClause.Occur.SHOULD);
}
TopScoreDocCollector collector = TopScoreDocCollector.create(__SearchAppResultMaxLength, true);
//Sort sort = new Sort(new SortField("Addtime", SortField.DOC, true));
Filter filter = null;
if (!string.IsNullOrEmpty(SearchParam.DataType))
{
filter = new TermRangeFilter("DataType", SearchParam.DataType, SearchParam.DataType, true, true);
}
searcher.Search(bQuery, filter, collector);
SearchParam.TotalCount = collector.GetTotalHits();//返回总条数
//分页,下标从0开始，0是第一条记录
ScoreDoc[] docs = collector.TopDocs((SearchParam.PageIndex - 1) * SearchParam.PageSize, SearchParam.PageSize).scoreDocs;
for (int i = 0; i < docs.Length; i++)
{
//取文档的编号，这个是主键，lucene.net分配
int docID = docs[i].doc;
//检索结果中只有文档的id，如果要取Document，则需要Doc再去取
//降低内容占用
Document doc = searcher.Doc(docID);
string content = doc.Get("ContentNoHtml");
if (content.Length > 200)
{
content = content.Substring(0, 199) + "……";
}
KnowledgeInfoEntity itemData = new KnowledgeInfoEntity()
{
knowledgeGUID = new Guid(doc.Get("knowledgeGUID")).ToString(),
Title = doc.Get("Title"),
Summary = doc.Get("Summary"),
ContentNoHtml = content,
ContentHtml = doc.Get("ContentHtml"),
CreateBy = doc.Get("CreateBy"),
UpdateDate = DateTime.Parse(doc.Get("UpdateDate")),
ViewCount = int.Parse(doc.Get("ViewCount")),
DataType = doc.Get("DataType"),
};
//高亮
itemData.Title = Preview(itemData.Title, SearchParam.KeyValue);
itemData.ContentNoHtml = Preview(itemData.ContentNoHtml, SearchParam.KeyValue);
itemData.Summary = Preview(itemData.Summary, SearchParam.KeyValue);
listData.Add(itemData);
}
return(listData);
}
public ActionResult SubmitForm(KnowledgeInfoEntity entity, string keyValue)
{
var data = _app.SubmitForm(entity, keyValue);
return(Success("提交成功"));
}
