asp.net工具类-PDFOperation

asp.net工具类 

using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;

/// <summary>
/// PDF文档操作类
/// </summary>
//------------------------------------调用--------------------------------------------
//PDFOperation pdf = new PDFOperation();
//pdf.Open(new FileStream(path, FileMode.Create));
//pdf.SetBaseFont(@"C:\Windows\Fonts\SIMHEI.TTF");
//pdf.AddParagraph("测试文档（生成时间：" + DateTime.Now + "）", 15, 1, 20, 0, 0);
//pdf.Close();
//-------------------------------------------------------------------------------------
public class PDFOperation
{
    #region 构造函数
    /// <summary>
        /// 构造函数
        /// </summary>
        public PDFOperation()
        {
                rect = PageSize.A4;
                document = new Document(rect);
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="type">页面大小(如"A4")</param>
        public PDFOperation(string type)
        {
                SetPageSize(type);
                document = new Document(rect);
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="type">页面大小(如"A4")</param>
        /// <param name="marginLeft">内容距左边框距离</param>
        /// <param name="marginRight">内容距右边框距离www.52mvc.com</param>
        /// <param name="marginTop">内容距上边框距离</param>
        /// <param name="marginBottom">内容距下边框距离</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;   //文档大小
    private Document document;//文档对象
    private BaseFont basefont;//字体
    #endregion

    #region 设置字体
    /// <summary>
    /// 设置字体
    /// </summary>
    public void SetBaseFont(string path)
    {
        basefont = BaseFont.CreateFont(path, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
    }

    /// <summary>
    /// 设置字体
    /// </summary>
    /// <param name="size">字体大小</param>
    public void SetFont(float size)
    {
        font = new Font(basefont, size);
    }
    #endregion

    #region 设置页面大小
    /// <summary>
        /// 设置页面大小
        /// </summary>
        /// <param name="type">页面大小(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 实例化文档
    /// <summary>
        /// 实例化文档
        /// </summary>
        /// <param name="os">文档相关信息（如路径，打开方式等）</param>
        public void GetInstance(Stream os)
        {
                PdfWriter.GetInstance(document, os);
    }
    #endregion

    #region 打开文档对象
    /// <summary>
        /// 打开文档对象
        /// </summary>
        /// <param name="os">文档相关信息（如路径，打开方式等）</param>
        public void Open(Stream os)
        {
                GetInstance(os);
                document.Open();
    }
    #endregion

    #region 关闭打开的文档
    /// <summary>
        /// 关闭打开的文档
        /// </summary>
        public void Close()
        {
                document.Close();
    }
    #endregion

    #region 添加段落
    /// <summary>
        /// 添加段落
        /// </summary>
        /// <param name="content">内容</param>
        /// <param name="fontsize">字体大小</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">内容</param>
        /// <param name="fontsize">字体大小</param>
        /// <param name="Alignment">对齐方式（1为居中，0为居左，2为居右）</param>
        /// <param name="SpacingAfter">段后空行数（0为默认值）</param>
        /// <param name="SpacingBefore">段前空行数（0为默认值）</param>
        /// <param name="MultipliedLeading">行间距（0为默认值）</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 添加图片
    /// <summary>
    /// 添加图片
    /// </summary>
    /// <param name="path">图片路径</param>
    /// <param name="Alignment">对齐方式（1为居中，0为居左，2为居右）</param>
    /// <param name="newWidth">图片宽（0为默认值，如果宽度大于页宽将按比率缩放）</param>
    /// <param name="newHeight">图片高</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 添加链接、点
    /// <summary>
        /// 添加链接
        /// </summary>
        /// <param name="Content">链接文字</param>
        /// <param name="FontSize">字体大小</param>
        /// <param name="Reference">链接地址</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>
        /// 添加链接点
        /// </summary>
        /// <param name="Content">链接文字</param>
        /// <param name="FontSize">字体大小</param>
        /// <param name="Name">链接点名</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
}更多:http://www.52mvc.com/showtopic-1095.aspx