iTextSharp的PDF打印 [英] iTextSharp PDF printing
问题描述
我试图创建将直接发送PDF文件使用我的打印机的方法(导致打印对话框出现)。
下面是我的代码一直在努力 - 其中大部分是在论坛中这里发现。如果我使用iTextSharp的创建一个新的PDF文档,但只要我尝试一些JavaScript注入现有的文件,我调用打印()的时候会得到一个异常正常工作
方法说
对象不支持属性或方法打印
块引用>
<脚本类型=文/ JavaScript的>
功能的load(){
尝试{
变种X =的document.getElementById(帧1);
x.print();
}
赶上(错误){
}
}
< / SCRIPT>
<身体的onload =负荷();>
<表ID =form1的=服务器>
< DIV>
< IFRAME ID =帧1SRC =C:/1686850_1.pdf=服务器FRAMEBORDER =0的风格=高度:0像素,宽度:0像素; />
< / DIV>
< /表及GT;
< /身体GT;
< / HTML>
.CS文件
使用System.IO;
使用iTextSharp.text;使用iTextSharp.text.pdf
;
公共部分类打印:System.Web.UI.Page
{
保护无效的Page_Load(对象发件人,EventArgs五)
{
SetPDF( File.ReadAllBytes(C:\\1686850.pdf),C:\\1686850_1.pdf); //测试文件
}
私人无效SetPDF(字节[]文件,字符串outputPath)
{
PdfReader读卡器=新PdfReader(文件);
INT = PAGECOUNT reader.NumberOfPages;
矩形的pageSize = reader.GetPageSize(1);
文档PDF =新的文件(pageSize的);
PdfWriter作家= PdfWriter.GetInstance(PDF,新的FileStream(outputPath,FileMode.Create));
pdf.Open();
//这个动作直接导致打印机对话
PdfAction jAction = PdfAction.JavaScript(this.print(真); \r,作家);
writer.AddJavaScript(jAction);
//省略此循环,简单地增加一些文本文件产生我想要的行为。
的for(int i = 0; I<页页次,我++)
{
pdf.NewPage();
PdfImportedPage页= writer.GetImportedPage(阅读器,I + 1);
writer.DirectContent.AddTemplate(页面,0,0);
}
pdf.Close();
//打开在框架
frame1.Attributes的PDF [SRC] = outputPath;
}
}
解决方案我找到一种方法,在这里做到这一点: http://wskidmore.com/2011/03/pdf - 首次 - 视图 - 设置 - iTextSharp的/
在此基础上,我写了这个代码:
私人无效PrintMenu()
{
...
VAR notUriPath =使用Server.Mappath(〜/+ filePathName);
变种DOC =新的文件();
变种读卡器=新PdfReader(notUriPath);
使用(VAR的MemoryStream =新的MemoryStream())
{
VAR作家= PdfWriter.GetInstance(文件,MemoryStream的);
doc.Open();
//这个动作直接导致打印机对话
VAR jAction = PdfAction.JavaScript(this.print(真); \r,作家);
writer.AddJavaScript(jAction);
变种CB = writer.DirectContent;
doc.AddDocListener(作家);
表示(变量p为1; P&下; = reader.NumberOfPages,P ++)
{
doc.SetPageSize(reader.GetPageSize(P));
doc.NewPage();
VAR页= writer.GetImportedPage(读卡器,P);
变种腐烂= reader.GetPageRotation(对);
如果(腐== 90 ||腐== 270)
cb.AddTemplate(页面,0,-1.0F,1.0F,0,0,reader.GetPageSizeWithRotation(p)的.Height);
,否则
cb.AddTemplate(页面,1.0F,0,0,1.0F,0,0);
}
reader.Close();
doc.Close();
File.WriteAllBytes(notUriPath,memoryStream.ToArray());
}
theIframeForPrint.Attributes.Add(src用户,fullFilePath);
}
我希望它能帮助!
I'm trying to create a method that will send a PDF file directly to my printer (causing the print dialog to appear).
Below is the code I've been working on - most of it found in the forums here. It works fine if I use iTextSharp to create a new PDF document, but as soon as I try to inject some JavaScript into an existing file, I get an exception when calling the
print()
method sayingObject doesn't support property or method 'print'
<script type="text/javascript"> function load() { try { var x = document.getElementById("frame1"); x.print(); } catch (err) { } } </script> <body onload="load();"> <form id="form1" runat="server"> <div> <iframe id="frame1" src="C:/1686850_1.pdf" runat="server" frameborder="0" style="height: 0px; width: 0px;" /> </div> </form> </body> </html>
.CS file
using System.IO; using iTextSharp.text; using iTextSharp.text.pdf; public partial class Print : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { SetPDF(File.ReadAllBytes("C:\\1686850.pdf"), "C:\\1686850_1.pdf"); //test files } private void SetPDF(byte[] file, string outputPath) { PdfReader reader = new PdfReader(file); int pageCount = reader.NumberOfPages; Rectangle pageSize = reader.GetPageSize(1); Document pdf = new Document(pageSize); PdfWriter writer = PdfWriter.GetInstance(pdf, new FileStream(outputPath, FileMode.Create)); pdf.Open(); //This action leads directly to printer dialogue PdfAction jAction = PdfAction.JavaScript("this.print(true);\r", writer); writer.AddJavaScript(jAction); //Omitting this loop and simply adding some text to the file produces the behavior I want. for (int i = 0; i < pageCount; i++) { pdf.NewPage(); PdfImportedPage page = writer.GetImportedPage(reader, i + 1); writer.DirectContent.AddTemplate(page, 0, 0); } pdf.Close(); //Open the pdf in the frame frame1.Attributes["src"] = outputPath; } }
解决方案I found a way to do this here: http://wskidmore.com/2011/03/pdf-initial-view-settings-itextsharp/
Based on that, I wrote this code:
private void PrintMenu() { ... var notUriPath = Server.MapPath("~/" + filePathName); var doc = new Document(); var reader = new PdfReader(notUriPath); using (var memoryStream = new MemoryStream()) { var writer = PdfWriter.GetInstance(doc, memoryStream); doc.Open(); // this action leads directly to printer dialogue var jAction = PdfAction.JavaScript("this.print(true);\r", writer); writer.AddJavaScript(jAction); var cb = writer.DirectContent; doc.AddDocListener(writer); for (var p = 1; p <= reader.NumberOfPages; p++) { doc.SetPageSize(reader.GetPageSize(p)); doc.NewPage(); var page = writer.GetImportedPage(reader, p); var rot = reader.GetPageRotation(p); if (rot == 90 || rot == 270) cb.AddTemplate(page, 0, -1.0F, 1.0F, 0, 0, reader.GetPageSizeWithRotation(p).Height); else cb.AddTemplate(page, 1.0F, 0, 0, 1.0F, 0, 0); } reader.Close(); doc.Close(); File.WriteAllBytes(notUriPath, memoryStream.ToArray()); } theIframeForPrint.Attributes.Add("src", fullFilePath); }
I hope it helps!
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