protected internal virtual TextString convertToCharacters(string text, Graphics2D g, FontFactory fontFactory, ColorFactory colorFactory)
{
TextString characters = new TextString();
FontRenderContext frc = g.getFontRenderContext();
double lastx = 0;
for (int i = 0; i < text.Length; i++)
{
Font font = fontFactory.getFont(i);
char c = text[i];
FontMetrics fm = g.getFontMetrics(font);
Rectangle2D bounds = font.getStringBounds(Convert.ToString(c), frc);
TextCharacter tc = new TextCharacter();
tc.Character = c;
tc.Font = font;
tc.Width = fm.charWidth(c);
tc.Height = fm.getAscent() + fm.getDescent();
tc.Ascent = fm.getAscent();
tc.Descent = fm.getDescent();
tc.X = lastx;
tc.Y = 0;
tc.Font = font;
tc.Color = colorFactory.getColor(i);
lastx += bounds.getWidth();
characters.addCharacter(tc);
}
return(characters);
}
/// <summary>
/// DataTable导出到PDF
/// </summary>
/// <param name="datatable">DataTable</param>
/// <param name="PDFFilePath">导出的PDF存储路径</param>
/// <param name="PdfSaveTitle">导出的文件名</param>
/// <param name="FontPath">字体路径</param>
/// <param name="FontSize">字体大小</param>
/// <param name="widthmz">每一列宽度</param>
/// <returns>布尔值</returns>
public static string ConvertDataTableToPDF(DataTable datatable, string PDFFilePath, string PdfSaveTitle, string FontPath, float FontSize, float[] widthmz)
{
string strReturnSaveFileName = ""; //用于返回的文件名
if (widthmz == null || widthmz.Length == 0) //如果每一列宽度未指定
{
widthmz = new float[datatable.Columns.Count];
for (int i = 0; i < datatable.Columns.Count; i++)
{
widthmz[i] = 11f;
}
}
//初始化一个目标文档类
Document document = new Document();
//调用PDF的写入方法流
//注意FileMode-Create表示如果目标文件不存在，则创建，如果已存在，则覆盖。
PdfWriter writer = PdfWriter.getInstance(document, new FileStream(PDFFilePath + "\\" + PdfSaveTitle + ".pdf", FileMode.Create));
strReturnSaveFileName = PDFFilePath + "\\" + PdfSaveTitle + ".pdf";
try
{
//打开目标文档对象
document.Open();
// 添加页眉
HeaderFooter header = new HeaderFooter(new Phrase(PdfSaveTitle), false);
document.Header = header;
// 添加页脚
HeaderFooter footer = new HeaderFooter(new Phrase(PdfSaveTitle), true);
footer.Border = Rectangle.NO_BORDER;
document.Footer = footer;
//创建PDF文档中的字体
BaseFont baseFont = BaseFont.createFont(FontPath, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//根据字体路径和字体大小属性创建字体
Font font = new Font(baseFont, FontSize);
Paragraph pTitle = new Paragraph(new Chunk(PdfSaveTitle, FontFactory.getFont(FontFactory.HELVETICA, 12)));
document.Add(pTitle);
//根据数据表内容创建一个PDF格式的表
PdfPTable table = null;
table = new PdfPTable(widthmz);
//打印列名
for (int j = 0; j < datatable.Columns.Count; j++)
{
table.addCell(new Phrase(datatable.Columns[j].ColumnName.ToString(), font));
}
//遍历原table的内容
for (int i = 0; i < datatable.Rows.Count; i++)
{
for (int j = 0; j < datatable.Columns.Count; j++)
{
table.addCell(new Phrase(datatable.Rows[i][j].ToString(), font));
}
}
//在目标文档中添加转化后的表数据
document.Add(table);
}
catch (Exception ec)
{
strReturnSaveFileName = "";
}
finally
{
//关闭目标文件
document.Close();
//关闭写入流
writer.Close();
}
return(strReturnSaveFileName);
}
//导出PDF文件方法
/// <summary>
/// DataTable导出到PDF
/// </summary>
/// <param name="datatable">DataTable</param>
/// <param name="PDFFilePath">导出的PDF存储路径</param>
/// <param name="PdfSaveTitle">导出的文件名</param>
/// <param name="FontPath">字体路径</param>
/// <param name="FontSize">字体大小</param>
/// <param name="widthmz">每一列宽度</param>
/// <returns>布尔值</returns>
public static bool ConvertDataTableToPDF(DataTable datatable, string PDFFilePath, string PdfSaveTitle, Brush brush, float FontSize, float[] widthmz)
{
if (widthmz == null || widthmz.Length == 0)//如果每一列宽度未指定
{
widthmz = new float[datatable.Columns.Count];
for (int i = 0; i < datatable.Columns.Count; i++)
{
widthmz[i] = 30f;
}
}
//初始化一个目标文档类
Document document = new Document(PageSize.A4, 10, 10, 25, 25);
//调用PDF的写入方法流
//注意FileMode-Create表示如果目标文件不存在，则创建，如果已存在，则覆盖。
PdfWriter writer = PdfWriter.getInstance(document, new FileStream(PDFFilePath, FileMode.Create));
try
{
System.Windows.Media.Color color = (System.Windows.Media.Color)ColorConverter.ConvertFromString(brush.ToString());
//打开目标文档对象
document.Open();
// 添加页眉
HeaderFooter header = new HeaderFooter(new Phrase(PdfSaveTitle), false);
document.Header = header;
// 添加页脚
HeaderFooter footer = new HeaderFooter(new Phrase(PdfSaveTitle), true);
footer.Border = Rectangle.NO_BORDER;
document.Footer = footer;
//创建PDF文档中的字体
BaseFont baseFont = BaseFont.createFont(@"C:\WINDOWS\Fonts\SIMFANG.TTF", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//根据字体路径和字体大小属性创建字体
Font font = new Font(baseFont, FontSize);
font.setColor(color.R, color.G, color.B);
Paragraph pTitle = new Paragraph(new Chunk(PdfSaveTitle, FontFactory.getFont(FontFactory.HELVETICA, 12)));
document.Add(pTitle);
//根据数据表内容创建一个PDF格式的表
PdfPTable table = null;
table = new PdfPTable(widthmz);
//打印列名
for (int j = 0; j < datatable.Columns.Count; j++)
{
string ColumnName = datatable.Columns[j].ColumnName.ToString();
table.addCell(new Phrase(ColumnName, font));
}
//遍历原table的内容
for (int i = 0; i < datatable.Rows.Count; i++)
{
for (int j = 0; j < datatable.Columns.Count; j++)
{
table.addCell(new Phrase(datatable.Rows[i][j].ToString(), font));
}
}
//在目标文档中添加转化后的表数据
document.Add(table);
}
catch (Exception ec)
{
ec.GetBaseException();
return(false);
}
finally
{
//关闭目标文件
document.Close();
//关闭写入流
writer.Close();
}
return(true);
}
