C#應用iTextSharp封裝的PDF文件操作類實例。本站提示廣大學習愛好者：（C#應用iTextSharp封裝的PDF文件操作類實例）文章只能為提供參考，不一定能成為您想要的結果。以下是C#應用iTextSharp封裝的PDF文件操作類實例正文
本文實例講述了C#應用iTextSharp封裝的PDF文件操作類。分享給年夜家供年夜家參考。詳細剖析以下：
這個C#代碼重要講iTextSharp頂用於操作PDF文件的辦法停止了再次封裝，可以加倍便利的拜訪PDF文檔，可以靜態生成PDF文件、添加內容、設置段落、設置字體等。
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
namespace DotNet.Utilities
{
/// <summary>
/// PDF文檔操作類
/// </summary>
//------------------挪用--------------------------
//PDFOperation pdf = new PDFOperation();
//pdf.Open(new FileStream(path, FileMode.Create));
//pdf.SetBaseFont(@"C:\Windows\Fonts\SIMHEI.TTF");
//pdf.AddParagraph("測試文檔（生成時光：" + DateTime.Now + "）", 15, 1, 20, 0, 0);
//pdf.Close();
//-------------------------------
public class PDFOperation
{
#region 結構函數
/// <summary>
/// 結構函數
/// </summary>
public PDFOperation()
{
rect = PageSize.A4;
document = new Document(rect);
}
/// <summary>
/// 結構函數
/// </summary>
/// <param name="type">頁面年夜小(如"A4")</param>
public PDFOperation(string type)
{
SetPageSize(type);
document = new Document(rect);
}
/// <summary>
/// 結構函數
/// </summary>
/// <param name="type">頁面年夜小(如"A4")</param>
/// <param name="marginLeft">內容距右邊框間隔</param>
/// <param name="marginRight">內容距左邊框間隔</param>
/// <param name="marginTop">內容距上邊框間隔</param>
/// <param name="marginBottom">內容距下邊框間隔</param>
public PDFOperation(string type, float marginLeft, float marginRight, float marginTop, float marginBottom)
{
SetPageSize(type);
document = new Document(rect, marginLeft, marginRight, marginTop, marginBottom);
}
#endregion
#region 公有字段
private Font font;
private Rectangle rect; //文檔年夜小
private Document document;//文檔對象
private BaseFont basefont;//字體
#endregion
#region 設置字體
/// <summary>
/// 設置字體
/// </summary>
public void SetBaseFont(string path)
{
basefont = BaseFont.CreateFont(path, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
}
/// <summary>
/// 設置字體
/// </summary>
/// <param name="size">字體年夜小</param>
public void SetFont(float size)
{
font = new Font(basefont, size);
}
#endregion
#region 設置頁面年夜小
/// <summary>
/// 設置頁面年夜小
/// </summary>
/// <param name="type">頁面年夜小(如"A4")</param>
public void SetPageSize(string type)
{
switch (type.Trim())
{
case "A4":
rect = PageSize.A4;
break;
case "A8":
rect = PageSize.A8;
break;
}
}
#endregion
#region 實例化文檔
/// <summary>
/// 實例化文檔
/// </summary>
/// <param name="os">文檔相干信息（如途徑，翻開方法等）</param>
public void GetInstance(Stream os)
{
PdfWriter.GetInstance(document, os);
}
#endregion
#region 翻開文檔對象
/// <summary>
/// 翻開文檔對象
/// </summary>
/// <param name="os">文檔相干信息（如途徑，翻開方法等）</param>
public void Open(Stream os)
{
GetInstance(os);
document.Open();
}
#endregion
#region 封閉翻開的文檔
/// <summary>
/// 封閉翻開的文檔
/// </summary>
public void Close()
{
document.Close();
}
#endregion
#region 添加段落
/// <summary>
/// 添加段落
/// </summary>
/// <param name="content">內容</param>
/// <param name="fontsize">字體年夜小</param>
public void AddParagraph(string content, float fontsize)
{
SetFont(fontsize);
Paragraph pra = new Paragraph(content, font);
document.Add(pra);
}
/// <summary>
/// 添加段落
/// </summary>
/// <param name="content">內容</param>
/// <param name="fontsize">字體年夜小</param>
/// <param name="Alignment">對齊方法（1為居中，0為居左，2為居右）</param>
/// <param name="SpacingAfter">段後空行數（0為默許值）</param>
/// <param name="SpacingBefore">段前空行數（0為默許值）</param>
/// <param name="MultipliedLeading">行間距（0為默許值）</param>
public void AddParagraph(string content, float fontsize, int Alignment, float SpacingAfter, float SpacingBefore, float MultipliedLeading)
{
SetFont(fontsize);
Paragraph pra = new Paragraph(content, font);
pra.Alignment = Alignment;
if (SpacingAfter != 0)
{
pra.SpacingAfter = SpacingAfter;
}
if (SpacingBefore != 0)
{
pra.SpacingBefore = SpacingBefore;
}
if (MultipliedLeading != 0)
{
pra.MultipliedLeading = MultipliedLeading;
}
document.Add(pra);
}
#endregion
#region 添加圖片
/// <summary>
/// 添加圖片
/// </summary>
/// <param name="path">圖片途徑</param>
/// <param name="Alignment">對齊方法（1為居中，0為居左，2為居右）</param>
/// <param name="newWidth">圖片寬（0為默許值，假如寬度年夜於頁寬將按比率縮放）</param>
/// <param name="newHeight">圖片高</param>
public void AddImage(string path, int Alignment, float newWidth, float newHeight)
{
Image img = Image.GetInstance(path);
img.Alignment = Alignment;
if (newWidth != 0)
{
img.ScaleAbsolute(newWidth, newHeight);
}
else
{
if (img.Width > PageSize.A4.Width)
{
img.ScaleAbsolute(rect.Width, img.Width * img.Height / rect.Height);
}
}
document.Add(img);
}
#endregion
#region 添加鏈接、點
/// <summary>
/// 添加鏈接
/// </summary>
/// <param name="Content">鏈接文字</param>
/// <param name="FontSize">字體年夜小</param>
/// <param name="Reference">鏈接地址</param>
public void AddAnchorReference(string Content, float FontSize, string Reference)
{
SetFont(FontSize);
Anchor auc = new Anchor(Content, font);
auc.Reference = Reference;
document.Add(auc);
}
/// <summary>
/// 添加鏈接點
/// </summary>
/// <param name="Content">鏈接文字</param>
/// <param name="FontSize">字體年夜小</param>
/// <param name="Name">鏈接點名</param>
public void AddAnchorName(string Content, float FontSize, string Name)
{
SetFont(FontSize);
Anchor auc = new Anchor(Content, font);
auc.Name = Name;
document.Add(auc);
}
#endregion
}
}
願望本文所述對年夜家的C#法式設計有所贊助。
