C#生成PDF总结

程序员文章站 2022-07-13 13:31:30

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(一)C#生成PDF总结

（1）iTextSharp控件对iTextSharp研究还可以表格、文字、各种GDI对象，图片，水印，文字旋转
（2）aspose的控件
（3）PDF Library这个类库（只单纯是有文字的，表格和文字）http://www.codeproject.com/KB/dotnet/PdfLibrary.aspx
（4）直接用.net的RDLC report 就可以啦，to PDF效果很好，也可以对付用户有变数，可以to 其他格式.

（二）iTextSharp生成PDF示列

复制代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.IO;

namespace PdfDemo
{
///
/// MainWindow.xaml 的交互逻辑
///
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
///
/// 我得第一个Pdf程序
///
private void CreatePdf()
{
string fileName = string.Empty;
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = “我的第一个PDF”;
dlg.DefaultExt = “.pdf”;
dlg.Filter = “Text documents (.pdf)|.pdf";
Nullable result = dlg.ShowDialog();
if (result == true)
{
fileName = dlg.FileName;
Document document = new Document();
PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
document.Open();
iTextSharp.text.Paragraph paragraph = new iTextSharp.text.Paragraph(“Hello World”);
document.Add(paragraph);
document.Close();
}//end if
}
///
/// 设置页面大小、作者、标题等相关信息设置
///
private void CreatePdfSetInfo()
{
string fileName = string.Empty;
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = “我的第一个PDF”;
dlg.DefaultExt = “.pdf”;
dlg.Filter = "Text documents (.pdf)|.pdf”;
Nullable result = dlg.ShowDialog();
if (result == true)
{
fileName = dlg.FileName;
//设置页面大小
iTextSharp.text.Rectangle pageSize = new iTextSharp.text.Rectangle(216f, 716f);
pageSize.BackgroundColor = new iTextSharp.text.BaseColor(0xFF, 0xFF, 0xDE);
//设置边界
Document document = new Document(pageSize, 36f, 72f, 108f, 180f);
PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
// 添加文档信息
document.AddTitle(“PDFInfo”);
document.AddSubject(“Demo of PDFInfo”);
document.AddKeywords(“Info, PDF, Demo”);
document.AddCreator(“SetPdfInfoDemo”);
document.AddAuthor(“焦涛”);
document.Open();
// 添加文档内容
for (int i = 0; i < 5; i++)
{
document.Add(new iTextSharp.text.Paragraph("Hello World! Hello People! " +
“Hello Sky! Hello Sun! Hello Moon! Hello Stars!”));
}
document.Close();
}//end if
}
///
/// 创建多个Pdf新页
///
private void CreateNewPdfPage()
{
string fileName = string.Empty;
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = “创建多个Pdf新页”;
dlg.DefaultExt = “.pdf”;
dlg.Filter = “Text documents (.pdf)|.pdf";
Nullable result = dlg.ShowDialog();
if (result == true)
{
fileName = dlg.FileName;
Document document = new Document(PageSize.NOTE);
PdfWriter writer= PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
document.Open();
// 第一页
document.Add(new iTextSharp.text.Paragraph(“PDF1, PDF1, PDF1, PDF1, PDF1”));
document.Add(new iTextSharp.text.Paragraph(“PDF1, PDF1, PDF1, PDF1, PDF1”));
document.Add(new iTextSharp.text.Paragraph(“PDF1, PDF1, PDF1, PDF1, PDF1”));
document.Add(new iTextSharp.text.Paragraph(“PDF1, PDF1, PDF1, PDF1, PDF1”));
// 添加新页面
document.NewPage();
// 第二页
// 添加第二页内容
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
document.Add(new iTextSharp.text.Paragraph(“PDF2, PDF2, PDF2, PDF2, PDF2”));
// 添加新页面
document.NewPage();
// 第三页
// 添加新内容
document.Add(new iTextSharp.text.Paragraph(“PDF3, PDF3, PDF3, PDF3, PDF3”));
document.Add(new iTextSharp.text.Paragraph(“PDF3, PDF3, PDF3, PDF3, PDF3”));
document.Add(new iTextSharp.text.Paragraph(“PDF3, PDF3, PDF3, PDF3, PDF3”));
document.Add(new iTextSharp.text.Paragraph(“PDF3, PDF3, PDF3, PDF3, PDF3”));
// 重新开始页面计数
document.ResetPageCount();
// 新建一页
document.NewPage();
// 第四页
// 添加第四页内容
document.Add(new iTextSharp.text.Paragraph(“PDF4, PDF4, PDF4, PDF4, PDF4”));
document.Add(new iTextSharp.text.Paragraph(“PDF4, PDF4, PDF4, PDF4, PDF4”));
document.Add(new iTextSharp.text.Paragraph(“PDF4, PDF4, PDF4, PDF4, PDF4”));
document.Add(new iTextSharp.text.Paragraph(“PDF4, PDF4, PDF4, PDF4, PDF4”));
document.Close();
}//end if
}
///
/// 生成图片pdf页（pdf中插入图片）
///
public void ImageDirect()
{
string imagePath = AppDomain.CurrentDomain.BaseDirectory + @“Image\1.jpg”; //临时文件路径
string fileName = string.Empty;
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = “我的第一个PDF”;
dlg.DefaultExt = “.pdf”;
dlg.Filter = "Text documents (.pdf)|.pdf”;
Nullable result = dlg.ShowDialog();
if (result == true)
{
fileName = dlg.FileName;
Document document = new Document();
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
document.Open();
iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(imagePath);
img.SetAbsolutePosition((PageSize.POSTCARD.Width - img.ScaledWidth) / 2, (PageSize.POSTCARD.Height - img.ScaledHeight) / 2);
writer.DirectContent.AddImage(img);
iTextSharp.text.Paragraph p = new iTextSharp.text.Paragraph(“Foobar Film Festival”, new iTextSharp.text.Font(Font.FontFamily.HELVETICA, 22f));
p.Alignment = Element.ALIGN_CENTER;
document.Add§;
document.Close();
}//end if
}
private void ReadPdf()
{
Console.WriteLine(“读取PDF文档”);
try
{
// 创建一个PdfReader对象
PdfReader reader = new PdfReader(@“D:\技术文档\sj\C#线程参考手册.pdf”);
// 获得文档页数
int n = reader.NumberOfPages;
// 获得第一页的大小
iTextSharp.text.Rectangle psize = reader.GetPageSize(1);
float width = psize.Width;
float height = psize.Height;
// 创建一个文档变量
Document document = new Document(psize, 50, 50, 50, 50);
// 创建该文档
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(@“C:\Read.pdf”, FileMode.Create));
// 打开文档
document.Open();
// 添加内容
PdfContentByte cb = writer.DirectContent;
int i = 0;
int p = 0;
Console.WriteLine(“一共有 " + n + " 页.”);
while (i < n)
{
document.NewPage();
p++;
i++;
PdfImportedPage page1 = writer.GetImportedPage(reader, i);
cb.AddTemplate(page1, .5f, 0, 0, .5f, 0, height / 2);
Console.WriteLine(“处理第 " + i + " 页”);
if (i < n)
{
i++;
PdfImportedPage page2 = writer.GetImportedPage(reader, i);
cb.AddTemplate(page2, .5f, 0, 0, .5f, width / 2, height / 2);
Console.WriteLine(“处理第 " + i + " 页”);
}
if (i < n)
{
i++;
PdfImportedPage page3 = writer.GetImportedPage(reader, i);
cb.AddTemplate(page3, .5f, 0, 0, .5f, 0, 0);
Console.WriteLine(“处理第 " + i + " 页”);
}
if (i < n)
{
i++;
PdfImportedPage page4 = writer.GetImportedPage(reader, i);
cb.AddTemplate(page4, .5f, 0, 0, .5f, width / 2, 0);
Console.WriteLine(“处理第 " + i + " 页”);
}
cb.SetRGBColorStroke(255, 0, 0);
cb.MoveTo(0, height / 2);
cb.LineTo(width, height / 2);
cb.Stroke();
cb.MoveTo(width / 2, height);
cb.LineTo(width / 2, 0);
cb.Stroke();
BaseFont bf = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
cb.BeginText();
cb.SetFontAndSize(bf, 14);
cb.ShowTextAligned(PdfContentByte.ALIGN_CENTER, "page " + p + " of " + ((n / 4) + (n % 4 > 0 ? 1 : 0)), width / 2, 40, 0);
cb.EndText();
}
// 关闭文档
document.Close();
}
catch (Exception de)
{
Console.Error.WriteLine(de.Message);
Console.Error.WriteLine(de.StackTrace);
}
}

    /// <summary>
    /// 创建表格
    /// </summary>
    public void CreateFirstTable()
    {
        string imagePath = AppDomain.CurrentDomain.BaseDirectory + @"Image\1.pm"; //临时文件路径
        string fileName = string.Empty;
        Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
        dlg.FileName = "我的第一个PDF";
        dlg.DefaultExt = ".pdf";
        dlg.Filter = "Text documents (.pdf)|*.pdf";
        Nullable<bool> result = dlg.ShowDialog();
        if (result == true)
        {
            fileName = dlg.FileName;
            Document document = new Document();
            PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
            document.Open();
            PdfPTable table = new PdfPTable(3);
            PdfPCell cell;
            cell=new PdfPCell(new Phrase("Cell with colspan 3"));
            cell.Colspan = 3;
            table.AddCell(cell);
            cell = new PdfPCell(new Phrase("Cell with rowspan 2"));
            cell.Rowspan = 2;
            table.AddCell(cell);
            table.AddCell("row 1; cell 1");
            table.AddCell("row 1; cell 2");
            table.AddCell("row 2; cell 1");
            table.AddCell("row 2; cell 2");
            document.Add(table);
            document.Close();
        }//end if
    }


    private void button1_Click(object sender, RoutedEventArgs e)
    {
        //CreatePdf();      
        //CreatePdfPageSize();
        CreateNewPdfPage();
    }
    private void button2_Click(object sender, RoutedEventArgs e)
    {
        CreateFirstTable();
    }

    private void button3_Click(object sender, RoutedEventArgs e)
    {
        ImageDirect();
    }

    private void button4_Click(object sender, RoutedEventArgs e)
    {
        ReadPdf();
    }   
}

}
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（三）代码下载

代码下载

（三）参考链接

http://www.cnbeta.com/articles/60484.htm 在线导出PDF的好去处
http://bbs.csdn.net/topics/310095053 PDF导出的讨论
http://www.cnblogs.com/EKPK/archive/2009/06/04/1495867.html 用C#制作PDF文件全攻略
http://blog.csdn.net/aasswwe/article/details/7639768
http://blog.sina.com.cn/s/blog_82662ce70100t0s6.html Pdf常见用法
http://www.tuicool.com/articles/nuyAFz HTML生成PDF(c#)
http://*.com/questions/tagged/itextsharp itextsharp相关问题
http://www.itextpdf.com/book/examples.php 官方文档,虽然是Java版本的但类库略有不同，在java中一些getFunction和setFunction在C#转为属性，可以作为参考文档。

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