添加项目文件。

common/Tnb.Common/Security/PDFHelper.cs

@@ -0,0 +1,77 @@
+using Aspose.Cells;
+using JNPF.DependencyInjection;
+using Spire.Presentation;
+
+namespace JNPF.Common.Security;
+
+/// <summary>
+/// PDF帮助类.
+/// </summary>
+[SuppressSniffer]
+public class PDFHelper
+{
+    /// <summary>
+    /// Aspose组件Excel转成pdf文件.
+    /// </summary>
+    /// <param name="fileName">word文件路径.</param>
+    public static void AsposeExcelToPDF(string fileName)
+    {
+        try
+        {
+            string pdfSavePath = fileName.Substring(0, fileName.LastIndexOf(".")) + ".pdf";
+            if (!FileHelper.IsExistFile(pdfSavePath))
+            {
+                Workbook excel = new Workbook(fileName);
+                if (excel != null)
+                    excel.Save(pdfSavePath, SaveFormat.Pdf);
+            }
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+    }
+
+    /// <summary>
+    /// Aspose组件word转成pdf文件.
+    /// </summary>
+    /// <param name="fileName">word文件路径.</param>
+    public static void AsposeWordToPDF(string fileName)
+    {
+        try
+        {
+            string pdfSavePath = fileName.Substring(0, fileName.LastIndexOf(".")) + ".pdf";
+            if (!FileHelper.IsExistFile(pdfSavePath))
+            {
+                var document = new Aspose.Words.Document(fileName);
+                if (document != null)
+                    document.Save(pdfSavePath, Aspose.Words.SaveFormat.Pdf);
+            }
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+    }
+
+    /// <summary>
+    /// PPT转换PDF.
+    /// </summary>
+    /// <param name="fileName">文件名称.</param>
+    public static void PPTToPDF(string fileName)
+    {
+        try
+        {
+            if (!FileHelper.IsExistFile(fileName.Substring(0, fileName.LastIndexOf(".")) + ".pdf"))
+            {
+                Presentation presentation = new Presentation();
+                presentation.LoadFromFile(fileName);
+                presentation.SaveToFile(fileName.Substring(0, fileName.LastIndexOf(".")) + ".pdf", FileFormat.PDF);
+            }
+        }
+        catch (Exception)
+        {
+            throw;
+        }
+    }
+}