/// <summary>
/// 将标签数据源中内容替换标签/绑定数据源
/// </summary>
/// <param name="dtDataSource">数据源</param>
/// <param name="labelParseParam">标签参数</param>
/// <param name="freeLabel">当前解析的标签</param>
/// <returns></returns>
private string DataSourceBind(DataTable dtDataSource, LoopLabelParseParam labelParseParam, FreeLabel freeLabel)
{
DataTable dataSource;
LoopLabelParseParam labelParam;
string itemContent;
StringBuilder sbResult;
sbResult = new StringBuilder();
dataSource = dtDataSource;
labelParam = labelParseParam;
switch (Target) // 链接打开窗口
{
case LinkOpenType.Blank:
labelParam.ItemContent = labelParam.ItemContent.Replace("{$Target}", "_blank");
break;
case LinkOpenType.Self:
labelParam.ItemContent = labelParam.ItemContent.Replace("{$Target}", "_self");
break;
default:
labelParam.ItemContent = labelParam.ItemContent.Replace("{$Target}", "_self");
break;
}
if (dataSource != null && dataSource.Rows.Count > 0)
{
if (labelParam.IsLoop) // 循环
{
foreach (DataRow dr in dataSource.Rows)
{
itemContent = SingleRecordBind(dr, labelParam.LstField, labelParam.ItemContent, freeLabel.MenuDirUrl, this.FileType, this.SiteDirUrl, this.CSaveType);
sbResult.Append(itemContent);
}
}
else // 单记录
{
itemContent = SingleRecordBind(dataSource.Rows[0], labelParam.LstField, labelParam.ItemContent, freeLabel.MenuDirUrl, this.FileType, this.SiteDirUrl, this.CSaveType);
sbResult.Append(itemContent);
}
}
return(sbResult.ToString());
}
/// <summary>
/// 从模板内容中抓取自由标签
/// </summary>
/// <param name="templateContent">模板内容</param>
/// <returns></returns>
public List <FreeLabel> GetLabelList(string templateContent)
{
Regex reg;
MatchCollection matchs;
List <FreeLabel> lstFreeLabel; // 模块中的自由标签
FreeLabel freeLabel; // 自由标签属性
string nodeCode; // 所属节点(栏目)
string splitLabelID;
DataRow[] drMenu;
Regex regParam; // 匹配列表类型系统标签参数
MatchCollection collectParam;
lstFreeLabel = new List <FreeLabel>();
freeLabel = new FreeLabel();
reg = new Regex(@"\{HQB_(?<1>L\d+)_[^\s}]+(?<3>[^}]*)LableType\s*=\s*[""']FREE[""'](?<4>[^}]*)\}", RegexOptions.Singleline | RegexOptions.IgnoreCase);
regParam = new Regex(@"(?<1>[\w-]+)\s*=\s*[""'](?<2>[^""']+)[""']", RegexOptions.IgnoreCase);
matchs = reg.Matches(templateContent);
nodeCode = string.Empty;
splitLabelID = string.Empty;
if (this.MenuList != null)
{
foreach (Match matchItem in matchs)
{
if (matchItem.Value.Trim() != "")
{
freeLabel.Name = "HQB_" + matchItem.Groups[1].Value + "";
freeLabel.Config = matchItem.Value;
collectParam = regParam.Matches(matchItem.Groups[3].Value + matchItem.Groups[4].Value);
foreach (Match item in collectParam)
{
switch (item.Groups[1].Value.ToLower().Trim())
{
case "nodecode":
nodeCode = matchItem.Groups[2].Value;
break;
case "splitlabelid":
splitLabelID = matchItem.Groups[2].Value;
break;
}
}
if (nodeCode.Trim() == "")
{
nodeCode = this._nodeCode;
}
drMenu = this.MenuList.Select("NodeCode='" + nodeCode + "'");
if (drMenu != null && drMenu.Length > 0)
{
freeLabel.NodeCode = nodeCode;
freeLabel.MenuDirUrl = drMenu[0]["RootDirPath"].ToString(); // 当前发布栏目URL
freeLabel.SplitLabelID = splitLabelID; // 分页标签ID
lstFreeLabel.Add(freeLabel);
}
}
}
}
return(lstFreeLabel);
}
/// <summary>
/// 解析
/// </summary>
/// <param name="freeLabel">标签内容</param>
/// <param name="currentPage">当前页（仅用于分页）</param>
/// <param name="pageSize">页面大小（仅用于分页）</param>
/// <returns></returns>
public string Parse(FreeLabel freeLabel, int currentPage, int pageSize)
{
string parseResult; // 标签解析结果
FreeLabelConfig labelConfig; // 自由标签参数
bool isException; // 是否出现异常
DataTable dtDataSource; // 标签数据源
LoopLabelParseParam labelParseParam; // 标签经解析后的参数
string selSQL; // 标签数据源查询语句
labelConfig = new FreeLabelConfig();
isException = false;
parseResult = string.Empty;
if (string.IsNullOrEmpty(this.NodeCode))
{
DataRow[] drMenu;
drMenu = this.MenuList.Select("NodeCode='" + freeLabel.NodeCode + "'");
if (drMenu != null && drMenu.Length > 0)
{
this.CSaveType = GetContentPageSaveType(drMenu[0]["ContentPageHtmlRule"].ToString());
}
}
if (LabelList != null && LabelList.Contains(freeLabel.Name))
{
try
{
labelConfig = (FreeLabelConfig)LabelList[freeLabel.Name];
}
catch { isException = true; }
}
else
{
isException = true;
}
if (!isException && !string.IsNullOrEmpty(labelConfig.SQL) && !string.IsNullOrEmpty(labelConfig.Content))
{
selSQL = labelConfig.SQL;
selSQL = selSQL.Replace("{$NodeCode}", NodeCode);
selSQL = selSQL.Replace("{$SiteID}", SiteID.ToString());
if (pageSize > 0) // 分页
{
selSQL = Regex.Replace(selSQL, @"top\s*\d+", " ", RegexOptions.Singleline | RegexOptions.IgnoreCase);
dtDataSource = dal.GetFreeLabelSplitDataSource(selSQL, currentPage, pageSize, null);
}
else
{
dtDataSource = dal.GetFreeLabelDataSource(selSQL);
}
labelParseParam = GetLoopLabelParam(labelConfig.Content, this.itemContentTag);
parseResult = DataSourceBind(dtDataSource, labelParseParam, freeLabel);
parseResult = labelParseParam.LabelTemplate.Replace(itemContentTag, parseResult);
}
return(parseResult);
}
