代码
    /// <summary>
    
/// 实现PDF复制
    
/// </summary>
    
/// <param name="filePath">源PDF文件</param>
    
/// <param name="toPath">目标PDF文件</param>
    
/// <param name="print">是否实现自动打印</param>   

private void ConvertPDFToPDF(string filePath, string toPath,bool print)
    {
        PdfReader reader 
= new PdfReader(filePath);
        Document document 
= new Document(reader.GetPageSizeWithRotation(1));
        
int n = reader.NumberOfPages;
        FileStream baos 
= new FileStream(toPath,FileMode.Create, FileAccess.Write);
        PdfCopy copy 
= new PdfCopy(document, baos);
        copy.ViewerPreferences 
= PdfWriter.HideToolbar|PdfWriter.HideMenubar;
        
//往pdf中写入内容   
        document.Open();
        
for (int i = 1; i <= n; i++)
        {
            PdfImportedPage page 
= copy.GetImportedPage(reader,i);
            copy.AddPage(page);
        }
        
if (print)
        {
            PdfAction.JavaScript(
"myOnMessage();", copy);
            copy.AddJavaScript(
"this.print(true);function myOnMessage(aMessage) {app.alert('Test',2);} var msgHandlerObject = new Object();doc.onWillPrint = myOnMessage;this.hostContainer.messageHandler = msgHandlerObject;");
        }
        document.Close();
        reader.Close();
    }

一个比较好的学习itextsharp网址:

http://pdfhome.hope.com.cn/ArcSearch.aspx?Content=循序渐进学习iTextSharp&Page=1

 

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