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
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
/// <summary>
/// 我得第一个Pdf程序
/// </summary>
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<bool> 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
}
/// <summary>
/// 设置页面大小、作者、标题等相关信息设置
/// </summary>
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<bool> 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
}
/// <summary>
/// 创建多个Pdf新页
/// </summary>
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<bool> 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
}
/// <summary>
/// 生成图片pdf页（pdf中插入图片）
/// </summary>
public void ImageDirect()
{
string imagePath = AppDomain.CurrentDomain.BaseDirectory + @"Image\1.webp"; //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();
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(p);
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();
}
}
}
