一個(gè)C#通過iTextSharp封裝的PDF文件操作類代碼
2018-07-20 來源：open-open
這個(gè)C#代碼主要講iTextSharp中用于操作PDF文件的方法進(jìn)行了再次封裝，可以更加方便的訪問PDF文檔，可以動(dòng)態(tài)生成PDF文件、添加內(nèi)容、設(shè)置段落、設(shè)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>
//------------------------------------調(diào)用--------------------------------------------
//PDFOperation pdf = new PDFOperation();
//pdf.Open(new FileStream(path, FileMode.Create));
//pdf.SetBaseFont(@"C:\Windows\Fonts\SIMHEI.TTF");
//pdf.AddParagraph("測(cè)試文檔（生成時(shí)間：" + DateTime.Now + "）", 15, 1, 20, 0, 0);
//pdf.Close();
//-------------------------------------------------------------------------------------
public class PDFOperation
{
#region 構(gòu)造函數(shù)
/// <summary>
/// 構(gòu)造函數(shù)
/// </summary>
public PDFOperation()
{
rect = PageSize.A4;
document = new Document(rect);
}
/// <summary>
/// 構(gòu)造函數(shù)
/// </summary>
/// <param name="type">頁面大小(如"A4")</param>
public PDFOperation(string type)
{
SetPageSize(type);
document = new Document(rect);
}
/// <summary>
/// 構(gòu)造函數(shù)
/// </summary>
/// <param name="type">頁面大小(如"A4")</param>
/// <param name="marginLeft">內(nèi)容距左邊框距離</param>
/// <param name="marginRight">內(nèi)容距右邊框距離</param>
/// <param name="marginTop">內(nèi)容距上邊框距離</param>
/// <param name="marginBottom">內(nèi)容距下邊框距離</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 私有字段
private Font font;
private Rectangle rect; //文檔大小
private Document document;//文檔對(duì)象
private BaseFont basefont;//字體
#endregion
#region 設(shè)置字體
/// <summary>
/// 設(shè)置字體
/// </summary>
public void SetBaseFont(string path)
{
basefont = BaseFont.CreateFont(path, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
}
/// <summary>
/// 設(shè)置字體
/// </summary>
/// <param name="size">字體大小</param>
public void SetFont(float size)
{
font = new Font(basefont, size);
}
#endregion
#region 設(shè)置頁面大小
/// <summary>
/// 設(shè)置頁面大小
/// </summary>
/// <param name="type">頁面大小(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(shí)例化文檔
/// <summary>
/// 實(shí)例化文檔
/// </summary>
/// <param name="os">文檔相關(guān)信息（如路徑，打開方式等）</param>
public void GetInstance(Stream os)
{
PdfWriter.GetInstance(document, os);
}
#endregion
#region 打開文檔對(duì)象
/// <summary>
/// 打開文檔對(duì)象
/// </summary>
/// <param name="os">文檔相關(guān)信息（如路徑，打開方式等）</param>
public void Open(Stream os)
{
GetInstance(os);
document.Open();
}
#endregion
#region 關(guān)閉打開的文檔
/// <summary>
/// 關(guān)閉打開的文檔
/// </summary>
public void Close()
{
document.Close();
}
#endregion
#region 添加段落
/// <summary>
/// 添加段落
/// </summary>
/// <param name="content">內(nèi)容</param>
/// <param name="fontsize">字體大小</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(nèi)容</param>
/// <param name="fontsize">字體大小</param>
/// <param name="Alignment">對(duì)齊方式（1為居中，0為居左，2為居右）</param>
/// <param name="SpacingAfter">段后空行數(shù)（0為默認(rèn)值）</param>
/// <param name="SpacingBefore">段前空行數(shù)（0為默認(rèn)值）</param>
/// <param name="MultipliedLeading">行間距（0為默認(rèn)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">圖片路徑</param>
/// <param name="Alignment">對(duì)齊方式（1為居中，0為居左，2為居右）</param>
/// <param name="newWidth">圖片寬（0為默認(rèn)值，如果寬度大于頁寬將按比率縮放）</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(diǎn)
/// <summary>
/// 添加鏈接
/// </summary>
/// <param name="Content">鏈接文字</param>
/// <param name="FontSize">字體大小</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(diǎn)
/// </summary>
/// <param name="Content">鏈接文字</param>
/// <param name="FontSize">字體大小</param>
/// <param name="Name">鏈接點(diǎn)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
}
}
標(biāo)簽： 代碼
版權(quán)申明：本站文章部分自網(wǎng)絡(luò)，如有侵權(quán)，請(qǐng)聯(lián)系：west999com@outlook.com
特別注意：本站所有轉(zhuǎn)載文章言論不代表本站觀點(diǎn)！
本站所提供的圖片等素材，版權(quán)歸原作者所有，如需使用，請(qǐng)與原作者聯(lián)系。
最新資訊
熱門推薦