// return:
// -1 出错
// >=0 命中的记录数
int SearchLineAmazon(RegisterLine line,
AccountInfo account,
out string strError)
{
strError = "";
// ??? this._currentAccount = account;
line.BiblioSummary = "正在针对 " + account.ServerName + " \r\n检索 " + line.BiblioBarcode + " ...";
AmazonSearch search = new AmazonSearch();
// search.MainForm = this.MainForm;
search.TempFileDir = this.MainForm.UserTempDir;
// 多行检索中的一行检索
int nRedoCount = 0;
REDO:
int nRet = search.Search(
account.ServerUrl,
line.BiblioBarcode.Replace("-", ""),
"ISBN",
"[default]",
true,
out strError);
if (nRet == -1)
{
if (search.Exception != null && search.Exception is WebException)
{
WebException e = search.Exception as WebException;
if (e.Status == WebExceptionStatus.ProtocolError)
{
// 重做
if (nRedoCount < 2)
{
nRedoCount++;
Thread.Sleep(1000);
goto REDO;
}
#if NO
// 询问是否重做
DialogResult result = MessageBox.Show(this,
"检索 '" + strLine + "' 时发生错误:\r\n\r\n" + strError + "\r\n\r\n是否重试?\r\n\r\n(Yes: 重试; No: 跳过这一行继续检索后面的行； Cancel: 中断整个检索操作",
"AmazonSearchForm",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == System.Windows.Forms.DialogResult.Retry)
{
Thread.Sleep(1000);
goto REDO;
}
if (result == System.Windows.Forms.DialogResult.Cancel)
return -1;
goto CONTINUE;
#endif
goto ERROR1;
}
}
goto ERROR1;
}
nRet = search.LoadBrowseLines(appendBrowseLine,
line,
false,
out strError);
if (nRet == -1)
goto ERROR1;
return nRet;
ERROR1:
strError = "针对服务器 '" + account.ServerName + "' 检索出错: " + strError;
line.AddBiblioBrowseLine(strError, BiblioRegisterControl.TYPE_ERROR);
return -1;
}
// return:
// -1 出错
// >=0 命中的记录数
int SearchLineAmazon(
string strQueryWord,
string strFrom,
AccountInfo account,
bool bAutoSetFocus,
out string strError)
{
strError = "";
if (strFrom == "书名" || strFrom == "题名")
strFrom = "title";
else if (strFrom == "作者" || strFrom == "著者" || strFrom == "责任者")
strFrom = "author";
else if (strFrom == "出版社" || strFrom == "出版者")
strFrom = "publisher";
else if (strFrom == "出版日期")
strFrom = "pubdate";
else if (strFrom == "主题词")
strFrom = "subject";
else if (strFrom == "关键词")
strFrom = "keywords";
else if (strFrom == "语言")
strFrom = "language";
else if (strFrom == "装订")
strFrom = "binding";
/* 还可以使用:
"ISBN",
"EISBN",
"ASIN"
*/
this.ShowMessage("正在针对 " + account.ServerName + " \r\n检索 " + strQueryWord + " ...",
"progress", false);
AmazonSearch search = new AmazonSearch();
// search.MainForm = this.MainForm;
search.TempFileDir = this.MainForm.UserTempDir;
search.Timeout = 5 * 1000;
search.Idle += search_Idle;
try
{
// 多行检索中的一行检索
int nRedoCount = 0;
REDO:
int nRet = search.Search(
account.ServerUrl,
strQueryWord.Replace("-", ""),
strFrom, // "ISBN",
"[default]",
true,
out strError);
if (nRet == -1)
{
if (search.Exception != null && search.Exception is WebException)
{
WebException e = search.Exception as WebException;
if (e.Status == WebExceptionStatus.ProtocolError)
{
// 重做
if (nRedoCount < 2)
{
nRedoCount++;
Thread.Sleep(1000);
goto REDO;
}
#if NO
// 询问是否重做
DialogResult result = MessageBox.Show(this,
"检索 '" + strLine + "' 时发生错误:\r\n\r\n" + strError + "\r\n\r\n是否重试?\r\n\r\n(Yes: 重试; No: 跳过这一行继续检索后面的行； Cancel: 中断整个检索操作",
"AmazonSearchForm",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == System.Windows.Forms.DialogResult.Retry)
{
Thread.Sleep(1000);
goto REDO;
}
if (result == System.Windows.Forms.DialogResult.Cancel)
return -1;
goto CONTINUE;
#endif
goto ERROR1;
}
}
goto ERROR1;
}
nRet = search.LoadBrowseLines(appendBrowseLine,
null, // line,
bAutoSetFocus,
out strError);
if (nRet == -1)
goto ERROR1;
return nRet;
}
finally
{
search.Idle -= search_Idle;
this.ClearMessage();
}
ERROR1:
strError = "针对服务器 '" + account.ServerName + "' 检索出错: " + strError;
AddBiblioBrowseLine(strError, TYPE_ERROR, bAutoSetFocus);
return -1;
}
/// <summary>
/// 检索
/// </summary>
/// <param name="strError">返回出错信息</param>
/// <returns>-1表示出错，其他命中记录的数目</returns>
public int DoSearch(out string strError)
{
strError = "";
this.ClearList();
// line.BiblioSummary = "正在针对 " + account.ServerName + " \r\n检索 " + line.BiblioBarcode + " ...";
this.button_stop.Enabled = true;
this.button_search.Enabled = false;
try
{
string strFrom = this.GetFromRight();
#if NO
if (_search != null)
_search.Dispose();
_search = new AmazonSearch();
// search.MainForm = this.MainForm;
_search.TempFileDir = this.TempFileDir;
_search.Idle -= new EventHandler(search_Idle);
_search.Idle += new EventHandler(search_Idle);
#endif
if (_search == null)
{
_search = new AmazonSearch();
_search.TempFileDir = this.TempFileDir;
_search.Idle -= new EventHandler(search_Idle);
_search.Idle += new EventHandler(search_Idle);
}
// 多行检索中的一行检索
int nRedoCount = 0;
REDO:
int nRet = _search.Search(
this.ServerUrl,
this.textBox_queryWord.Text.Replace("-", ""),
strFrom, // "ISBN",
"[default]",
true,
out strError);
if (nRet == -1)
{
if (_search.Exception != null && _search.Exception is WebException)
{
WebException e1 = _search.Exception as WebException;
if (e1.Status == WebExceptionStatus.ProtocolError)
{
// 重做
if (nRedoCount < this.RetryCount)
{
nRedoCount++;
_search.Delay();
goto REDO;
}
#if NO
// 询问是否重做
DialogResult result = MessageBox.Show(this,
"检索 '" + strLine + "' 时发生错误:\r\n\r\n" + strError + "\r\n\r\n是否重试?\r\n\r\n(Yes: 重试; No: 跳过这一行继续检索后面的行； Cancel: 中断整个检索操作",
"AmazonSearchForm",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == System.Windows.Forms.DialogResult.Retry)
{
_search.Delay();
goto REDO;
}
if (result == System.Windows.Forms.DialogResult.Cancel)
return -1;
goto CONTINUE;
#endif
strError = "nRedoCount [" + nRedoCount.ToString() + "] " + strError;
goto ERROR1;
}
}
goto ERROR1;
}
nRet = _search.LoadBrowseLines(appendBrowseLine,
null,
false,
out strError);
if (nRet == -1)
goto ERROR1;
// 如果有命中的，自动选定第一行
if (dpTable_items.Rows.Count > 0)
dpTable_items.Rows[0].Select(SelectAction.On);
if (_search.HasNextBatch() == true)
{
AddNextCmdLine();
}
}
finally
{
this.button_stop.Enabled = false;
this.button_search.Enabled = true;
}
return _search.HitCount;
ERROR1:
strError = "针对服务器 '" + this.ServerUrl + "' 检索出错: " + strError;
return -1;
}