267-下载pdf，读取pdf，pdf的页数

下载pdf:

HttpWebRequestCustom.ReturnValueGetPage<string> page = HttpWebRequestCustom.DownloadFile(cookies, url, filePath, fileName);

读取pdf:

string content = XqdClass.Tools.PdfToText(pdfPath, 0);

pdf的页数：

Spire.Pdf.PdfDocument pdfDocument = new Spire.Pdf.PdfDocument(pdfPath); int pdfPageCount = pdfDocument.Pages.Count;