/// <summary>
/// 把ppt文件转换成pdf文件2
/// </summary>
/// <param name="sourcePath">需要转换的文件路径和文件名称</param>
/// <param name="targetPath">转换完成后的文件的路径和文件名名称</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool PPTConvertToPDF(string sourcePath, string targetPath) {
bool result;
PowerPoint.PpSaveAsFileType ppSaveAsFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF;//转换成pdf
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
PowerPoint.Presentation persentation = null;
try {
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
if (persentation != null) {
persentation.SaveAs(targetPath, ppSaveAsFileType, MsoTriState.msoTrue);
}
result = true;
}
catch {
result = false;
}
finally {
if (persentation != null) {
persentation.Close();
persentation = null;
}
if (application != null) {
application.Quit();
application = null;
}
}
return result;
}
/// <summary>
/// 将ppt文档转换成pdf格式
/// </summary>
/// <param name="sourcePath">源文件路径</param>
/// <param name="targetPath">目标文件路径</param>
/// <param name="targetFileType"></param>
/// <returns></returns>
public bool PPTConvertPDF(string sourcePath, string targetPath = null)
{
if (sourcePath == null)
{
throw new ArgumentNullException("wpsFilename");
}
//保存路径为空时，保存在原始文件目录
if (targetPath == null)
{
targetPath = Path.ChangeExtension(sourcePath, "pdf");
}
bool result;
object missing = Type.Missing;
Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
Presentation persentation = null;
try
{
application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
//persentation = application.Presentations.Open(sourcePath, Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
//persentation.SaveAs(targetPath, PpSaveAsFileType.ppSaveAsPDF, Microsoft.Office.Core.MsoTriState.msoTrue);
result = true;
}
catch
{
result = false;
}
finally
{
if (persentation != null)
{
persentation.Close();
persentation = null;
}
if (application != null)
{
application.Quit();
application = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
return(result);
}
public static string ReadPPT(string pptFileName)
{
string text = string.Empty;
PowerPoint.ApplicationClass app = null;
PowerPoint.Presentation pp = null;
object readOnly = true;
object missing = System.Reflection.Missing.Value;
object fileName = pptFileName;
try
{
app = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
pp = app.Presentations.Open(fileName.ToString(), Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
foreach (PowerPoint.Slide slide in pp.Slides)
{
foreach (PowerPoint.Shape shape in slide.Shapes)
{
text += shape.TextFrame.TextRange.Text.Replace("\r", string.Empty).Replace("\n", string.Empty).Replace("\t", string.Empty) + " ";
}
}
}
catch
{
}
finally
{
pp.Close();
pp = null;
app.Quit();
app = null;
}
return(text);
}
