protected void Button45_Click(object sender, EventArgs e)
{
ArticleQuery query = new ArticleQuery();
query.Title = "化工";
SearchResultDataSet <Article> articles = HHOnline.SearchBarrel.NewsSearchManager.Search(query);
}
protected void Button43_Click(object sender, EventArgs e)
{
ProductQuery query = new ProductQuery();
query.ProductNameFilter = "黑 sd";
SearchResultDataSet <Product> products = HHOnline.SearchBarrel.ProductSearchManager.Search(query);
}
private void BindSearchResult()
{
string query = Request.QueryString["w"];
if (!string.IsNullOrEmpty(query))
{
query = HttpUtility.UrlDecode(query);
TextBox txt = sArticle.FindControl("txtSearch") as TextBox;
if (txt != null)
{
txt.Text = query;
}
ArticleQuery pq = new ArticleQuery();
pq.Title = query;
pq.PageSize = Int32.MaxValue;
SearchResultDataSet <Article> articles = NewsSearchManager.Search(pq);
List <Article> ps = articles.Records;
if (ps == null || ps.Count == 0)
{
ltSearchDuration.Text = "搜索用时：" + articles.SearchDuration.ToString() + "秒";
msgBox.ShowMsg("没有搜索到相应的资讯信息！", System.Drawing.Color.Gray);
}
else
{
msgBox.HideMsg();
ltSearchDuration.Text = "搜索用时：" + articles.SearchDuration.ToString() + "ms";
cpArticle.DataSource = ps;
cpArticle.BindToControl = dlArticle;
dlArticle.DataSource = cpArticle.DataSourcePaged;
dlArticle.DataBind();
}
}
}
public string RenderHTML()
{
if (_Cache.ContainsKey(_productID))
{
return(_Cache[_productID]);
}
ProductQuery query = new ProductQuery();
Product pT = Products.GetProduct(_productID);
query.ProductNameFilter = pT.ProductName;
query.PageSize = Int32.MaxValue;
query.ProductOrderBy = ProductOrderBy.DisplayOrder;
query.SortOrder = SortOrder.Descending;
query.PageSize = int.MaxValue;
query.HasPublished = true;
SearchResultDataSet <Product> ps = ProductSearchManager.Search(query);
if (ps == null || ps.Records == null || ps.Records.Count == 0 || (ps.Records.Count == 1 && ps.Records[0].ProductID == _productID))
{
return("<div class=\"nopiInfo\"><span>没有相关产品信息！</span></div>");
}
string nav = GlobalSettings.RelativeWebRoot + "pages/view.aspx?product-product";
List <Product> psList = null;
Product p = null;
StringBuilder sb = new StringBuilder();
int curCount = ps.Records.Count;
psList = ps.Records.GetRange(0, Math.Min(curCount, _Max));
sb.AppendLine("<table cellpadding=\"0\" cellspacing=\"0\" class=\"" + _CssClass + "\">");
string pId = string.Empty;
int length = psList.Count;
string pn = string.Empty;
for (int i = 0; i < psList.Count; i++)
{
p = psList[i];
if (p.ProductID == _productID)
{
continue;
}
if (i % _Columns == 0)
{
sb.AppendLine("<tr>");
}
pId = GlobalSettings.Encrypt(p.ProductID.ToString());
sb.AppendLine("<td>");
sb.AppendLine("<div class=\"piThumbnail\">" +
"<a href=\"" + nav + "&ID=" + pId + "\" target=\"_blank\">" +
"<div style=\"background-image:url(" + p.GetDefaultImageUrl(100, 100) + ")\" title=\"" + HtmlHelper.RemoveHtml(p.ProductName) + "\" >" +
"</div>" +
"</a>" +
"</div>");
pn = HtmlHelper.RemoveHtml(p.ProductName);
sb.AppendLine("<div class=\"piProductName\" title='" + pn + "'>" + GlobalSettings.SubString(pn, 15) + "</div>");
sb.AppendLine("<div class=\"piPrice\">" + GetPrice(p.ProductID) + "</div>");
sb.AppendLine("</td>");
if (i % _Columns == _Columns - 1)
{
sb.AppendLine("</tr>");
}
}
sb.AppendLine("</table>");
if (!_Cache.ContainsKey(_productID))
{
lock (_lock)
if (!_Cache.ContainsKey(_productID))
{
if (_Cache.Count > maxCached)
{
_Cache.Clear();
}
_Cache.Add(_productID, sb.ToString());
}
}
return(sb.ToString());
}
public static SearchResultDataSet <Article> Search(ArticleQuery query)
{
//触发事件
GlobalEvents.UserSearch(query.Title);
//索引文件不存在时，返回null
if (!GlobalSettings.CheckFileExist(PhysicalIndexDirectory))
{
return(new SearchResultDataSet <Article>());
}
DateTime startTime = DateTime.Now;
BooleanQuery currentQuery = new BooleanQuery();
//CategoryID
if (query.CategoryID.HasValue && query.CategoryID.Value != 0)
{
Term categoryIDTearm = new Term(NewsIndexField.CategoryID, query.CategoryID.ToString());
Query categoryIDQuery = new TermQuery(categoryIDTearm);
currentQuery.Add(categoryIDQuery, BooleanClause.Occur.MUST);
}
//KeyWord
if (!string.IsNullOrEmpty(query.Title))
{
query.Title = SearchHelper.LuceneKeywordsScrubber(query.Title);
if (!string.IsNullOrEmpty(query.Title))
{
string[] searchFieldsForKeyword = new string[4];
searchFieldsForKeyword[0] = NewsIndexField.Title;
searchFieldsForKeyword[1] = NewsIndexField.SubTitle;
searchFieldsForKeyword[2] = NewsIndexField.Abstract;
searchFieldsForKeyword[3] = NewsIndexField.Keywords;
MultiFieldQueryParser articleWordQueryParser = new MultiFieldQueryParser(searchFieldsForKeyword, SearchHelper.GetChineseAnalyzer());
articleWordQueryParser.SetLowercaseExpandedTerms(true);
articleWordQueryParser.SetDefaultOperator(QueryParser.OR_OPERATOR);
string keyWordsSplit = SearchHelper.SplitKeywordsBySpace(query.Title);
Query articleWordQuery = articleWordQueryParser.Parse(keyWordsSplit);
currentQuery.Add(articleWordQuery, BooleanClause.Occur.MUST);
}
}
//Search
IndexSearcher searcher = new IndexSearcher(PhysicalIndexDirectory);
Hits hits = searcher.Search(currentQuery);
SearchResultDataSet <Article> articles = new SearchResultDataSet <Article>();
int pageLowerBound = query.PageIndex * query.PageSize;
int pageUpperBound = pageLowerBound + query.PageSize;
if (pageUpperBound > hits.Length())
{
pageUpperBound = hits.Length();
}
//HighLight
PanGu.HighLight.Highlighter highlighter = null;
if (!string.IsNullOrEmpty(query.Title))
{
highlighter = new PanGu.HighLight.Highlighter(new PanGu.HighLight.SimpleHTMLFormatter("<font color=\"#c60a00\">", "</font>"), new PanGu.Segment());
highlighter.FragmentSize = 100;
}
for (int i = pageLowerBound; i < pageUpperBound; i++)
{
Article item = ConvertDocumentToArticle(hits.Doc(i));
if (!string.IsNullOrEmpty(query.Title))
{
string bestBody = null;
if (!string.IsNullOrEmpty(item.Abstract) && item.Abstract.Length > MaxNumFragmentsRequired)
{
bestBody = highlighter.GetBestFragment(query.Title, item.Abstract);
}
if (!string.IsNullOrEmpty(bestBody))
{
item.Abstract = bestBody;
}
else
{
item.Abstract = HtmlHelper.TrimHtml(item.Abstract, 100);
}
string bestSubject = null;
if (!string.IsNullOrEmpty(item.Title) && item.Title.Length > MaxNumFragmentsRequired)
{
bestSubject = highlighter.GetBestFragment(query.Title, item.Title);
}
if (!string.IsNullOrEmpty(bestSubject))
{
item.Title = bestSubject;
}
}
articles.Records.Add(item);
}
searcher.Close();
articles.TotalRecords = hits.Length();
DateTime endTime = DateTime.Now;
articles.SearchDuration = (endTime.Ticks - startTime.Ticks) / 1E7f;
articles.PageIndex = query.PageIndex;
articles.PageSize = query.PageSize;
return(articles);
}
void BindData()
{
ProductQuery query = this.Query;
lnkGrid.PostBackUrl = Request.RawUrl;
lnkList.PostBackUrl = Request.RawUrl;
lnkGrid.Attributes.Add("rel", "grid");
lnkList.Attributes.Add("rel", "list");
#region -Adapt Show-
string s = Request.QueryString["s"];
if (!string.IsNullOrEmpty(s))
{
switch (s)
{
case "grid":
lnkGrid.CssClass = "showByGrid showBy showByGridActive";
lnkList.CssClass = "showByList showBy";
cpProduct.PageSize = 10;
break;
case "list":
lnkList.CssClass = "showByList showBy showByListActive";
lnkGrid.CssClass = "showByGrid showBy";
cpProduct.PageSize = 50;
break;
}
}
else
{
cpProduct.PageSize = 10;
s = "grid";
lnkGrid.CssClass = "showByGrid showBy showByGridActive";
lnkList.CssClass = "showByList showBy";
}
#endregion
#region -BindData-
string sortBy = Request.QueryString["sortby"];
ProductOrderBy orderBy = ProductOrderBy.DisplayOrder;
SortOrder sortOrder = SortOrder.Descending;
if (!string.IsNullOrEmpty(sortBy))
{
try
{
ddlSortBy.Items.FindByValue(sortBy).Selected = true;
}
catch { ddlSortBy.SelectedIndex = 0; }
GetData(out orderBy, out sortOrder, sortBy);
}
query.ProductOrderBy = orderBy;
query.SortOrder = sortOrder;
query.PageSize = int.MaxValue;
query.HasPublished = true;
List <Product> prods = null;
if (!IsSearch)
{
prods = Products.GetProducts(query).Records;
}
else
{
if (string.IsNullOrEmpty(query.ProductNameFilter))
{
prods = Products.GetProducts(query).Records;
}
else
{
SearchResultDataSet <Product> _pros = ProductSearchManager.Search(query);
prods = _pros.Records;
pnlSearch.Visible = true;
ltSearchDuration.Text = "搜索用时：" + _pros.SearchDuration.ToString() + "秒。";
}
}
if (prods == null || prods.Count == 0)
{
msgBox.ShowMsg("没有符合条件的产品存在！", System.Drawing.Color.Gray);
return;
}
msgBox.HideMsg();
bool islogin = Context.User.Identity.IsAuthenticated;
if (orderBy == ProductOrderBy.Price)
{
prods.Sort(new SortProductByPrice(sortOrder,
(islogin ? Profile.AccountInfo.UserID : 0),
islogin
));
}
if (s == "grid")
{
dlProduct2.Visible = false;
dlProduct.Visible = true;
cpProduct.DataSource = prods;
cpProduct.BindToControl = dlProduct;
dlProduct.DataSource = cpProduct.DataSourcePaged;
dlProduct.DataBind();
}
else
{
dlProduct.Visible = false;
dlProduct2.Visible = true;
cpProduct.DataSource = prods;
cpProduct.BindToControl = dlProduct2;
dlProduct2.DataSource = cpProduct.DataSourcePaged;
dlProduct2.DataBind();
}
#endregion
}
