// 通用的，遍历和处理读者记录的函数
// 该函数的弱点是速度慢，优点是能按照特殊风格来获取读者记录
// return:
// -1 出错。包括用户中断的情况
// >=0 实际处理的读者记录数
public int ProcessPatrons(List<string> reader_barcodes,
string strGetReaderInfoStyle,
Delegate_processPatron func,
out string strError)
{
strError = "";
stop.Style = StopStyle.EnableHalfStop;
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在处理读者记录 ...");
stop.BeginLoop();
EnableControls(false);
this.listView_records.Enabled = false;
try
{
if (stop != null)
stop.SetProgressRange(0, reader_barcodes.Count);
int nReaderIndex = 0;
foreach (string strBarcode in reader_barcodes)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null && stop.State != 0)
{
strError = "用户中断";
return -1;
}
if (string.IsNullOrEmpty(strBarcode) == true)
continue;
// 获得读者记录
byte[] baTimestamp = null;
string strOutputRecPath = "";
stop.SetMessage("正在处理读者记录 " + strBarcode + " ...");
string[] results = null;
long lRet = Channel.GetReaderInfo(
stop,
strBarcode,
string.IsNullOrEmpty(strGetReaderInfoStyle) ?
"advancexml,advancexml_borrow_bibliosummary,advancexml_overdue_bibliosummary"
: strGetReaderInfoStyle, // advancexml_history_bibliosummary
out results,
out strOutputRecPath,
out baTimestamp,
out strError);
if (lRet == -1)
return -1;
if (lRet == 0)
return -1;
if (lRet > 1) // 不可能发生吧?
{
strError = "读者证条码号 " + strBarcode + " 命中记录 " + lRet.ToString() + " 条，放弃装入读者记录。\r\n\r\n注意这是一个严重错误，请系统管理员尽快排除。";
return -1;
}
if (results == null || results.Length < 1)
{
strError = "返回的results不正常。";
return -1;
}
string strXml = results[0];
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "装载读者记录 XML 到 DOM 时发生错误: " + ex.Message;
return -1;
}
if (func != null)
{
if (func(strOutputRecPath,
dom,
baTimestamp) == false)
break;
}
nReaderIndex++;
if (stop != null)
stop.SetProgressValue(nReaderIndex);
}
return nReaderIndex; // 实际处理的读者记录数
}
catch (Exception ex)
{
strError = "ProcessPatrons() 出现异常: " + ExceptionUtil.GetExceptionText(ex);
return -1;
}
finally
{
EnableControls(true);
this.listView_records.Enabled = true;
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.HideProgress();
stop.Style = StopStyle.None;
}
}
// 通用的，遍历和处理读者记录的函数
// 该函数的弱点是不能按照特殊风格来获取读者记录，而 ProcessPatrons() 能做到
// 优点是速度特别快
// return:
// -1 出错。包括用户中断的情况
// >=0 实际处理的读者记录数
public int ProcessSelectedPatrons(
Delegate_processPatron func,
out string strError)
{
strError = "";
if (this.listView_records.SelectedItems.Count == 0)
{
strError = "尚未选择要处理的读者记录事项";
return -1;
}
// 读者信息缓存
// 如果已经初始化，则保持
if (this.m_biblioTable == null)
this.m_biblioTable = new Hashtable();
this.MainForm.OperHistory.AppendHtml("<div class='debug begin'>" + HttpUtility.HtmlEncode(DateTime.Now.ToLongTimeString()) + " 开始进行读者记录校验</div>");
stop.Style = StopStyle.EnableHalfStop;
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在处理读者记录 ...");
stop.BeginLoop();
this.EnableControls(false);
this.listView_records.Enabled = false;
try
{
if (stop != null)
stop.SetProgressRange(0, this.listView_records.SelectedItems.Count);
List<ListViewItem> items = new List<ListViewItem>();
foreach (ListViewItem item in this.listView_records.SelectedItems)
{
if (string.IsNullOrEmpty(item.Text) == true)
continue;
items.Add(item);
}
ListViewPatronLoader loader = new ListViewPatronLoader(this.Channel,
stop,
items,
this.m_biblioTable);
loader.DbTypeCaption = this.DbTypeCaption;
int i = 0;
foreach (LoaderItem item in loader)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null && stop.State != 0)
{
strError = "用户中断";
return -1;
}
stop.SetProgressValue(i);
BiblioInfo info = item.BiblioInfo;
// this.MainForm.OperHistory.AppendHtml("<div class='debug recpath'>" + HttpUtility.HtmlEncode(info.RecPath) + "</div>");
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(info.OldXml);
}
catch (Exception ex)
{
strError = "装载读者记录 XML 到 DOM 时发生错误: " + ex.Message;
return -1;
}
if (func != null)
{
if (func(info.RecPath,
dom,
info.Timestamp) == false)
break;
}
i++;
}
return i;
}
catch (Exception ex)
{
strError = "处理读者记录的过程中出现异常: " + ExceptionUtil.GetDebugText(ex);
return -1;
}
finally
{
this.listView_records.Enabled = true;
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.HideProgress();
stop.Style = StopStyle.None;
this.EnableControls(true);
this.MainForm.OperHistory.AppendHtml("<div class='debug end'>" + HttpUtility.HtmlEncode(DateTime.Now.ToLongTimeString()) + " 结束执行读者记录处理</div>");
}
}