protected override void Render(HtmlTextWriter output)
{
int nRet = 0;
long lRet = 0;
string strError = "";
string strOutputPath = "";
string strItemXml = "";
LibraryApplication app = (LibraryApplication)this.Page.Application["app"];
SessionInfo sessioninfo = (SessionInfo)this.Page.Session["sessioninfo"];
string strItemRecPath = "";
RmsChannel channel = sessioninfo.Channels.GetChannel(app.WsUrl);
if (channel == null)
{
strError = "channel == null";
goto ERROR1;
}
if (String.IsNullOrEmpty(this.Barcode) == false)
{
// 获得册记录
// return:
// -1 error
// 0 not found
// 1 命中1条
// >1 命中多于1条
nRet = app.GetItemRecXml(
channel,
this.Barcode,
out strItemXml,
out strOutputPath,
out strError);
if (nRet == 0)
{
strError = "册条码号为 '" + this.Barcode + "' 的册记录没有找到";
goto ERROR1;
}
if (nRet == -1)
{
goto ERROR1;
}
strItemRecPath = strOutputPath;
}
string strItemDbName = "";
string strBiblioRecID = "";
string strBiblioDbName = "";
// 若需要同时取得种记录
if ((this.DispStyle & DispStyle.Biblio) == DispStyle.Biblio)
{
string strBiblioRecPath = "";
if (String.IsNullOrEmpty(this.BiblioRecPath) == true)
{
/*
* // 准备工作: 映射数据库名
* nRet = app.GetGlobalCfg(sessioninfo.Channels,
* out strError);
* if (nRet == -1)
* goto ERROR1;
* */
strItemDbName = ResPath.GetDbName(strOutputPath);
// string strBiblioDbName = "";
// 根据实体库名, 找到对应的书目库名
// return:
// -1 出错
// 0 没有找到
// 1 找到
nRet = app.GetBiblioDbNameByItemDbName(strItemDbName,
out strBiblioDbName,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 0)
{
strError = "实体库名 '" + strItemDbName + "' 没有找到对应的书目库名";
goto ERROR1;
}
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strItemXml);
}
catch (Exception ex)
{
strError = "册记录XML装载到DOM出错:" + ex.Message;
goto ERROR1;
}
strBiblioRecID = DomUtil.GetElementText(dom.DocumentElement, "parent"); //
if (String.IsNullOrEmpty(strBiblioRecID) == true)
{
strError = "册记录XML中<parent>元素缺乏或者值为空, 因此无法定位种记录";
goto ERROR1;
}
strBiblioRecPath = strBiblioDbName + "/" + strBiblioRecID;
}
else
{
strBiblioRecPath = this.BiblioRecPath;
strBiblioDbName = ResPath.GetDbName(this.BiblioRecPath);
if (String.IsNullOrEmpty(strItemDbName) == true)
{
// 根据书目库名, 找到对应的实体库名
// return:
// -1 出错
// 0 没有找到
// 1 找到
nRet = app.GetItemDbName(strBiblioDbName,
out strItemDbName,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
}
strBiblioRecID = ResPath.GetRecordId(this.BiblioRecPath);
}
string strBiblioXml = "";
string strMetaData = "";
byte[] timestamp = null;
lRet = channel.GetRes(strBiblioRecPath,
out strBiblioXml,
out strMetaData,
out timestamp,
out strOutputPath,
out strError);
if (lRet == -1)
{
strError = "获得种记录 '" + strBiblioRecPath + "' 时出错: " + strError;
goto ERROR1;
}
// 需要从内核映射过来文件
string strLocalPath = "";
nRet = app.MapKernelScriptFile(
sessioninfo,
strBiblioDbName,
"./cfgs/loan_biblio.fltx",
out strLocalPath,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
// 将种记录数据从XML格式转换为HTML格式
string strBiblio = "";
// 2006/11/28 changed
string strFilterFileName = strLocalPath; // app.CfgDir + "\\biblio.fltx";
if (string.IsNullOrEmpty(strBiblioXml) == false)
{
nRet = app.ConvertBiblioXmlToHtml(
strFilterFileName,
strBiblioXml,
strBiblioRecPath,
out strBiblio,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
}
else
{
strBiblio = "";
}
// output.Write(strBiblio);
LiteralControl literal = (LiteralControl)FindControl("biblio");
literal.Text = strBiblio;
}
if ((this.DispStyle & DispStyle.Items) == DispStyle.Items)
{
this.ItemConverter = app.NewItemConverter(
app.CfgDir + "\\itemopac.cs",
app.CfgDir + "\\itemopac.cs.ref",
out strError);
if (this.ItemConverter == null)
{
goto ERROR1;
}
this.ItemConverter.App = app;
// 检索出该种的所有册
sessioninfo.ItemLoad += new ItemLoadEventHandler(SessionInfo_ItemLoad);
tempOutput = "";
// tempOutput = output;
try
{
nRet = sessioninfo.SearchItems(
app,
strItemDbName,
strBiblioRecID,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
}
finally
{
sessioninfo.ItemLoad -= new ItemLoadEventHandler(SessionInfo_ItemLoad);
//tempOutput = null;
this.ItemConverter = null;
}
LiteralControl literal = (LiteralControl)FindControl("items");
literal.Text = tempOutput;
tempOutput = "";
}
else if ((this.DispStyle & DispStyle.Item) == DispStyle.Item)
{
string strResult = "";
// 取得册信息
// 将册记录数据从XML格式转换为HTML格式
nRet = app.ConvertItemXmlToHtml(
app.CfgDir + "\\itemxml2html.cs",
app.CfgDir + "\\itemxml2html.cs.ref",
strItemXml,
strItemRecPath, // 2009/10/18
out strResult,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
// output.Write(strResult);
LiteralControl literal = (LiteralControl)FindControl("items");
literal.Text = strResult;
}
base.Render(output);
return;
ERROR1:
output.Write(strError);
}
