public override void GetDataByOtherAccessType(Dictionary <string, string> listRow)
{
string pageSourceDir = this.RunPage.GetDetailSourceFileDir();
base.GetDataByOtherAccessType(listRow);
string detailUrl = listRow["detailPageUrl"];
string adjunctType = listRow["adjunctType"].ToLower().Trim();
string destFilePath = this.RunPage.GetFilePath(detailUrl, pageSourceDir);
string sourceFilePath = this.RunPage.GetFilePath(detailUrl, this.GongGaoSourceFileDir);
try
{
switch (adjunctType)
{
case "pdf":
Pdf2Txt.Pdf2TxtByITextSharp(sourceFilePath, destFilePath, true);
break;
case "html":
Html2Txt.Html2TxtByHtmlAgilityPack(sourceFilePath, destFilePath, true, "gb2312");
break;
case "txt":
{
Html2Txt.Html2TxtByHtmlAgilityPack(sourceFilePath, destFilePath, true, "gb2312");
//File.Copy(sourceFilePath, destFilePath);
}
break;
default:
Html2Txt.Html2TxtByHtmlAgilityPack(sourceFilePath, destFilePath, true, "gb2312");
break;
//throw new Exception("不可识别的公告文档类型, adjunctType = " + adjunctType);
}
}
catch (Exception ex)
{
throw ex;
}
}
private void ConvertToTxt(IListSheet listSheet)
{
try
{
string sourceDir = this.RunPage.GetDetailSourceFileDir();
string exportDir = this.RunPage.GetExportDir();
string pdfUrlFilePath = Path.Combine(exportDir, "论文_ScienceDirect_论文PDF页.xlsx");
ExcelWriter pdfUrlWriter = this.GetDownloadPdfExcelWriter(pdfUrlFilePath);
for (int i = 0; i < listSheet.RowCount; i++)
{
this.RunPage.InvokeAppendLogText("已转换" + i.ToString() + "/" + listSheet.RowCount.ToString(), LogLevelType.System, true);
Dictionary <string, string> listRow = listSheet.GetRow(i);
string pageUrl = listRow[SysConfig.DetailPageUrlFieldName];
bool giveUp = "Y".Equals(listRow[SysConfig.GiveUpGrabFieldName]);
if (!giveUp)
{
try
{
string textFileDir = this.RunPage.GetReadFilePath(pageUrl, exportDir);
string fullTextFilePath = Path.Combine(textFileDir, "allText.txt");
if (!File.Exists(fullTextFilePath))
{
HtmlAgilityPack.HtmlDocument htmlDoc = this.RunPage.GetLocalHtmlDocument(listSheet, i);
HtmlNode linkNode = htmlDoc.DocumentNode.SelectSingleNode("//div[@id=\"redirect-message\"]/p/a");
string pdfUrl = linkNode.GetAttributeValue("href", "");
string pdfFilePath = this.RunPage.GetFilePath(pdfUrl, sourceDir);
if (!Directory.Exists(textFileDir))
{
Directory.CreateDirectory(textFileDir);
}
string[] pdfPartFilePaths = PdfSpliter.ExtractPages(pdfFilePath, textFileDir);
StringBuilder fullText = new StringBuilder();
for (int j = 0; j < pdfPartFilePaths.Length; j++)
{
string pdfPartFilePath = pdfPartFilePaths[j];
string textPartFilePath = Path.Combine(textFileDir, (j + 1).ToString() + ".txt");
try
{
Pdf2Txt.Pdf2TxtByITextSharp(pdfPartFilePath, textPartFilePath, true);
string text = FileHelper.GetTextFromFile(textPartFilePath, Encoding.UTF8);
fullText.Append(text);
}
catch (Exception pdf2TxtEx)
{
if (pdf2TxtEx.Message.Contains("System.FormatException"))
{
this.RunPage.InvokeAppendLogText("转换txt失败, pdfPartFilePath = " + pdfPartFilePath, LogLevelType.Error, true);
}
else
{
throw pdf2TxtEx;
}
}
}
FileHelper.SaveTextToFile(fullText.ToString(), fullTextFilePath, Encoding.UTF8);
}
Dictionary <string, string> pdfUrlRow = new Dictionary <string, string>();
pdfUrlRow.Add("publication", listRow["publication"]);
pdfUrlRow.Add("host", listRow["host"]);
pdfUrlRow.Add("title", listRow["title"]);
pdfUrlRow.Add("authors", listRow["authors"]);
pdfUrlRow.Add("abstracts", listRow["abstracts"]);
pdfUrlRow.Add("refs", listRow["refs"]);
pdfUrlRow.Add("pageUrl", pageUrl);
pdfUrlRow.Add("txtUrl", fullTextFilePath);
pdfUrlWriter.AddRow(pdfUrlRow);
}
catch (Exception ex)
{
string filePath = this.RunPage.GetFilePath(pageUrl, sourceDir);
this.RunPage.InvokeAppendLogText("错误，filePath = " + filePath + ", pageUrl = " + pageUrl, LogLevelType.Error, true);
throw ex;
}
}
}
pdfUrlWriter.SaveToDisk();
}
catch (Exception ex)
{
throw ex;
}
}