通過幾天的查找經測試后發現以下三種方法可以實現用C#直接打印PDF文件。
方法一:通過調用命令行:
using System.Drawing.Printing; using System.Diagnostics; using System.Collections.Specialized; //打印方法 private void pdfPrint(string filePath) { PrintDocument pd = new PrintDocument(); Process p = new Process(); ProcessStartInfo startInfo = new ProcessStartInfo(); startInfo.CreateNoWindow = true; startInfo.WindowStyle = ProcessWindowStyle.Hidden; startInfo.UseShellExecute = true; startInfo.FileName = filePath; startInfo.Verb = "print"; startInfo.Arguments = @"/p /h \" + filePath + "\"\"" + pd.PrinterSettings.PrinterName + "\""; p.StartInfo = startInfo; p.Start(); p.WaitForExit(); } protected void btn_print_Click(object sender, EventArgs e) { string filePath="C:\\Documents and Settings\\AuYeungCK\\My Documents\\myfile\\1.pdf"; pdfPrint(filePath); }
總結:以上方法單擊打印后會跳出一個adobe窗口,但是不會顯示任何內容,打印機會自動打印,經測試現在一個問題,在打印我公司的通告時打印出來的內容是異常的。
方法二:通過調用其他的類庫(PDFRender4NET)實現
需要引用O2S.Components.PDFView4NET.dll和O2S.Components.PDFRender4NET.dll
using O2S.Components.PDFRender4NET; /// <summary> /// 打印的代碼 /// </summary> /// <param name="url">要打印的PDF路徑</param> private int printShow(string url) { int isOK = 0; PDFFile file = PDFFile.Open(url); PrinterSettings settings = new PrinterSettings(); System.Drawing.Printing.PrintDocument pd = new System.Drawing.Printing.PrintDocument(); settings.PrinterName = "hp LaserJet 1160 PCL 5e"; settings.PrintToFile = false ; //設置紙張大小(可以不設置,取默認設置)3.90 in, 8.65 in PaperSize ps = new PaperSize("test",4,9); ps.RawKind = 9; //如果是自定義紙張,就要大於118,(A4值為9,詳細紙張類型與值的對照請看http://msdn.microsoft.com/zh-tw/library/system.drawing.printing.papersize.rawkind(v=vs.85).aspx) O2S.Components.PDFRender4NET.Printing.PDFPrintSettings pdfPrintSettings = new O2S.Components.PDFRender4NET.Printing.PDFPrintSettings(settings); pdfPrintSettings.PaperSize = ps; pdfPrintSettings.PageScaling = O2S.Components.PDFRender4NET.Printing.PageScaling.FitToPrinterMarginsProportional; pdfPrintSettings.PrinterSettings.Copies = 1; try { file.Print(pdfPrintSettings); isOK = 1; } catch (Exception) { isOK = -1; throw; } finally { file.Dispose(); } return isOK; }
總結:以上方法單擊打印后會直接打印,不會跳出adobe的窗口。
方法三:加載adobe的com組件
1、打開winform界面,然后在左邊的在工具欄中右擊->單擊choose Items->單擊COM Components在里面將Adobe PDF Reader勾上確定。
2、將剛加載進來的Adobe PDF Reader控件拖到winform界面。
3、然后在加載界面輸入如下代碼:
string fileName = "C:\\Documents and Settings\\AuYeungCK\\My Documents\\myfile\\aa1.pdf";
this.axAcroPDF1.LoadFile(fileName);
axAcroPDF.1setShowToolbar(false);
axAcroPDF1.LoadFile(fileName);
axAcroPDF1.printAll();
另:拖過來的axAcroPDF1也可以自己創建如下代碼:
AxAcroPDFLib.AxAcroPDF axAcroPDF 1= new AxAcroPDFLib.AxAcroPDF();
axAcroPDF1.Location = new System.Drawing.Point(0, 24);
axAcroPDF1.Size = new System.Drawing.Size(292, 242);
axAcroPDF1.Dock = DockStyle.Fill;
Controls.Add(axAcroPDF1);
總結:以上方法完成了顯示PDF檔以及打印功能,但是這樣運行后會先跳出一個提示窗口是否打印,不管你是否打印都會顯示一個無任何內容的adobe窗口,然后也會在winform中顯示PDF檔。
方法四:用第三方控件iTextSharp復制PDF檔打印
/// <summary> /// 實現PDF復制 /// </summary> /// <param name="filePath">源PDF檔</param> /// <param name="toPath">目標c1PDF檔</param> /// <param name="print">是否實現自動打印</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中寫20837 ¤J內23481 ®e 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(); }
總結:此方法是實現將PDF復制到另一個地方,然后用戶去打開復制的PDF檔后就會直接打印,此檔也會跳出Adobe的界面,但是只能實現打印功能,不能另存。