/// <summary>
/// 加载自由标签至缓存中
/// </summary>
private void Load()
{
DataTable dt;
Hashtable hsFreeLabelConfig;
FreeLabelConfig freeLabelConfig;
Regex regLabelName;
Match match;
regLabelName = new Regex(@"HQB_L\d+", RegexOptions.Singleline | RegexOptions.IgnoreCase);
freeLabelConfig = new FreeLabelConfig();
hsFreeLabelConfig = new Hashtable();
dt = dal.GetFreeLabelList();
if (dt != null && dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
match = regLabelName.Match(dr["LableName"].ToString().Trim());
if (match.Success)
{
freeLabelConfig.SQL = dr["LabelSQL"].ToString();
freeLabelConfig.Content = dr["LableContent"].ToString().Replace("\r\n", "").Replace("\t", "");
freeLabelConfig.PageSize = Common.Utils.ParseInt(dr["PageSize"], 0);
hsFreeLabelConfig.Add(match.Value, freeLabelConfig);
}
}
}
HttpContext.Current.Cache[freeLabelCacheName] = hsFreeLabelConfig;
}
/// <summary>
/// 获取标签SQL配置
/// </summary>
/// <param name="labelName">自由标签代码</param>
/// <returns></returns>
public FreeLabelConfig GetFreeLabelConfig(string labelName)
{
FreeLabelConfig freeLabelConfig;
if (this.LabelList[labelName] != null)
{
freeLabelConfig = (FreeLabelConfig)this.LabelList[labelName];
}
else
{
freeLabelConfig = new FreeLabelConfig();
}
return(freeLabelConfig);
}
/// <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);
}
