java: itext8.05 create pdf

只能调用windows 已安装的字体，这样可以在系统中先预装中文字体，5.0 可以调用自配文件夹的字体文件。CSharp itext8.0 可以调用。

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/**  * encoding: utf-8  * 版权所有 2024 ©涂聚文有限公司 言語成了邀功盡責的功臣，還需要行爲每日來值班嗎  * 许可信息查看： https://github.com/itext/itext-publications-examples-java/blob/develop/src/main/java/com/itextpdf/samples/sandbox/fonts/FreeSansBold.java  * 描述：https://mvnrepository.com/artifact/com.itextpdf/kernel  * # Author    : geovindu,Geovin Du 涂聚文.  * # IDE       : IntelliJ IDEA 2023.1 Java 17  * # Datetime  : 2024 - 2024/11/21 - 20:12  * # User      : geovindu  * # Product   : IntelliJ IDEA  * # Project   : EssentialAlgorithms  itext8.05  * # File      : SimpleItext.java  * # explain   : 学习  类  **/   package BLL;   //import java.awt.*; import java.io.FileNotFoundException; import java.io.FileOutputStream; import com.itextpdf.io.font.PdfEncodings; import com.itextpdf.io.font.TrueTypeFont; import com.itextpdf.kernel.geom.PageSize; import com.itextpdf.kernel.colors.Color; import com.itextpdf.kernel.colors.*; import com.itextpdf.kernel.colors.gradients.*; import com.itextpdf.kernel.font.PdfFont; import com.itextpdf.kernel.font.PdfFontFactory; import com.itextpdf.kernel.font.*; import com.itextpdf.kernel.pdf.*; import com.itextpdf.kernel.pdf.canvas.draw.*; import com.itextpdf.io.image.ImageData; import com.itextpdf.io.image.ImageDataFactory; import com.itextpdf.io.font.FontProgramFactory; import com.itextpdf.layout.element.*; import com.itextpdf.layout.Document; import com.itextpdf.layout.element.Paragraph; import com.itextpdf.layout.borders.Border; import com.itextpdf.layout.element.Cell; import com.itextpdf.layout.element.Image; import com.itextpdf.layout.element.Paragraph; import com.itextpdf.layout.element.Table; import com.itextpdf.layout.properties.TextAlignment; import com.itextpdf.layout.properties.UnitValue; import com.itextpdf.layout.properties.VerticalAlignment; import com.itextpdf.layout.properties.HorizontalAlignment; import com.itextpdf.layout.element.Text; import com.itextpdf.layout.borders.*; import com.itextpdf.layout.borders.SolidBorder; import com.itextpdf.io.util.StreamUtil; import java.io.IOException; import java.util.List; import java.util.ArrayList;     import java.io.File; import java.util.HashSet; import java.util.Set; import java.io.FileInputStream; import java.nio.file.Files; import java.nio.file.Paths;   import Model.Orders;     public class SimpleItext {       private static String USER_PASSWORD = "geovindu";     private static String OWNER_PASSWORD = "geovindu";       public static final String FONTDIR = "font/";     public void test()     {         try {               String fontFile2 = "font/MHeiHK-Light.TTF";             String path = "C:/WINDOWS/Fonts/simhei.ttf";//windows里的字体资源路径               String getfont="";               // Creating a PdfWriter object             String dest = "coloredBorders.pdf";               //PdfFont pfont=null;               PdfWriter writer = new PdfWriter(dest);               // Creating a PdfDocument object             PdfDocument pdfDoc = new PdfDocument(writer);               // Creating a Document object             Document doc = new Document(pdfDoc);               PdfFontFactory.registerDirectory(FONTDIR);             byte[] bytes;             FileInputStream myflie = new FileInputStream(fontFile2);             //var is = getClass().getResourceAsStream(fontFile2);             bytes = StreamUtil.inputStreamToArray(myflie);             //byte[] tem = new byte[myflie.available()];//创建一个长度为myflie长的竹筒             //myflie.read(tem);             //var pfont = FontProgramFactory.createFont(bytes);               //PdfFont pfont = PdfFontFactory.createFont(bytes, PdfEncodings.UTF8);             /*             Set<String> fonts = new HashSet<String>(FontProgramFactory.getRegisteredFonts());             for (String fontname : fonts) {                 System.out.print(fontname);                 getfont=fontname;                 pfont = PdfFontFactory.createRegisteredFont(getfont, PdfEncodings.IDENTITY_H);                 doc.add(new Paragraph(String.format("Postscript name for %s: %s", getfont,                         pfont.getFontProgram().getFontNames().getFontName())));             }             */             //PdfFont f2 = PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H");             PdfFont  pfont = PdfFontFactory.createFont(path, PdfEncodings.IDENTITY_H);//PdfFontFactory.EmbeddingStrategy.FORCE_EMBEDDED                   // Creating a table             float[] pointColumnWidths = {200F, 200F};             Table table = new Table(pointColumnWidths);               // Adding row 1 to the table             Cell c1 = new Cell();               // Adding the contents of the cell             c1.add(new Paragraph("Name").setFont(pfont));               // Setting the back ground color of the cell             c1.setBackgroundColor(ColorConstants.DARK_GRAY);               // Instantiating the Border class             Border b1 = new DashedBorder(ColorConstants.RED, 3);               // Setting the border of the cell             c1.setBorder(b1);               // Setting the text alignment             c1.setTextAlignment(TextAlignment.CENTER);               // Adding the cell to the table             table.addCell(c1);             Cell c2 = new Cell();             c2.add(new Paragraph("涂聚文").setFont(pfont));             c1.setBorder(new SolidBorder(ColorConstants.RED, 3));             c2.setTextAlignment(TextAlignment.CENTER);             table.addCell(c2);               // Adding row 2 to the table             Cell c3 = new Cell();             c3.add(new Paragraph("Id").setFont(pfont));             c3.setBorder(new DottedBorder(ColorConstants.DARK_GRAY, 3));             c3.setTextAlignment(TextAlignment.CENTER);             table.addCell(c3);               Cell c4 = new Cell();             c4.add(new Paragraph("001").setFont(pfont));             c4.setBorder(new DoubleBorder(ColorConstants.DARK_GRAY, 3));             c4.setTextAlignment(TextAlignment.CENTER);             table.addCell(c4);               // Adding row 3 to the table             Cell c5 = new Cell();             c5.add(new Paragraph("Designation").setFont(pfont));             c5.setBorder(new RoundDotsBorder(ColorConstants.RED, 3));             c5.setTextAlignment(TextAlignment.CENTER);             table.addCell(c5);               Cell c6 = new Cell();             c6.add(new Paragraph("Programmer").setFont(pfont));             c6.setBorder(new RoundDotsBorder(ColorConstants.RED, 3));             c6.setTextAlignment(TextAlignment.CENTER);             table.addCell(c6);               // Adding Table to document             doc.add(table);               // Closing the document             doc.close();               System.out.println("Borders added successfully..");         }         catch(IOException oex)         {             oex.printStackTrace();         }         catch (Exception ex)         {             ex.printStackTrace();         }         }             public void Createpdf()    {         try       {           String dem="itextExample.pdf";           PdfWriter writer =new PdfWriter(dem);           //设置打开文档必码          // writer.setEncryption(USER_PASSWORD.getBytes(),                   //OWNER_PASSWORD.getBytes(), PdfWriter.ALLOW_PRINTING,                   //PdfWriter.ENCRYPTION_AES_128);           String fontFile2 = "font\\MHeiHK-Light.TTF";    // 这个报错： Type of font is not recognized           String path = "C:/WINDOWS/Fonts/simhei.ttf";//windows里的字体资源路径             //PdfFont f2 = PdfFontFactory.createFont("STSong-Light", "UniGB-UCS2-H");           PdfFont pfont = PdfFontFactory.createFont(path, PdfEncodings.IDENTITY_H);//PdfFontFactory.EmbeddingStrategy.FORCE_EMBEDDED           //PdfFont pfont = PdfFontFactory.createRegisteredFont(path, PdfEncodings.IDENTITY_H);             PdfDocument pdfDoc = new PdfDocument(writer);             Document document = new Document(pdfDoc);             //document.setFont(pfont);           //document.open();             document.add(new Paragraph("Some content here").setFont(pfont).setFontColor(ColorConstants.RED));             //Set attributes here           //document.("Geovin Du 涂聚文");          // document.addCreationDate();           //document.addCreator("dusystem.com");           //document.addTitle("Set Attribute Example");           //document.addSubject("An example to show how attributes can be added to pdf files.");           Table table = new Table(3,true); // 3 columns.           //table.setHeight(100); //Width 100%           //table.setHeight(10f); //Space before table           //table.setSpacingAfter(10f); //Space after table               //Set Column widths           //float[] columnWidths = {1f, 1f, 1f};           //table.setHeight(columnWidths);             Cell cell1 = new Cell().add(new Paragraph("深圳市").setFont(pfont));           cell1.setBorder(new SolidBorder(ColorConstants.BLACK, 1));           cell1.setPaddingLeft(10);           cell1.setHorizontalAlignment(HorizontalAlignment.CENTER);           cell1.setVerticalAlignment(VerticalAlignment.MIDDLE);             Cell cell2 = new Cell().add(new Paragraph("南山區").setFont(pfont).setFontColor(ColorConstants.GREEN));           cell2.setBorder(new SolidBorder(ColorConstants.BLACK, 1));           cell2.setPaddingLeft(10);           cell2.setHorizontalAlignment(HorizontalAlignment.LEFT);           cell2.setVerticalAlignment(VerticalAlignment.MIDDLE);            //.setVerticalAlignment(VerticalAlignment.MIDDLE)           Cell cell3 = new Cell().add(new Paragraph("科技園").setFont(pfont));           cell3.setBackgroundColor(ColorConstants.RED);           cell3.setPaddingLeft(10);           cell3.setHorizontalAlignment(HorizontalAlignment.CENTER);           cell3.setVerticalAlignment(VerticalAlignment.MIDDLE);               table.addCell(cell1);           table.addCell(cell2);           table.addCell(cell3);          // table.complete();           document.add(table);             List<Orders> orders = new ArrayList<>();           Orders order = new Orders();           order.setProductId(1); ;           order.setProduct("中國電器");           order.setQty(50);           order.setPrice(52.0);           orders.add(order);             order = new Orders();           order.setProductId(2);           order.setProduct ("日本電器");           order.setQty(150);           order.setPrice(252.0);           orders.add(order);           //2             Table tableData = new Table(5, true);           tableData.setBorder(new SolidBorder(ColorConstants.BLACK, 1));           tableData.setFont(pfont);           Cell headerProductId = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph("ID"));           Cell headerProduct = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph("產品名稱"));           Cell headerProductPrice = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph("價格"));           Cell headerProductQty = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph("數量"));           Cell headerTotal = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph("合計"));             tableData.addCell(headerProductId);           tableData.addCell(headerProduct);           tableData.addCell(headerProductPrice);           tableData.addCell(headerProductQty);           tableData.addCell(headerTotal);             double grandTotalVal = 0;           for(Orders c:orders)           {               Cell productid = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(String.valueOf(c.getProductId())));               Cell product = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(c.getProduct()));               Cell price = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(String.valueOf(c.getPrice())));               Cell qty = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(String.valueOf(c.getQty())));               var value = c.getPrice() * c.getQty();               Cell total = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(String.valueOf(value)));                 grandTotalVal += value;               tableData.addCell(productid);               tableData.addCell(product);               tableData.addCell(price);               tableData.addCell(qty);               tableData.addCell(total);           }             Cell grandTotalHeader = new Cell(1, 4).setTextAlignment(TextAlignment.RIGHT).add(new Paragraph("合計: ")).setBorderBottom(new SolidBorder(ColorConstants.BLACK, 1));           Cell grandTotal = new Cell(1, 1).setTextAlignment(TextAlignment.LEFT).add(new Paragraph(" " + String.valueOf(grandTotalVal))).setBorderBottom(new SolidBorder(ColorConstants.BLACK, 1));           grandTotal.setBorderBottom(new SolidBorder(ColorConstants.BLACK, 1));           tableData.addCell(grandTotalHeader);           tableData.addCell(grandTotal);             //tableData.complete();           document.add(tableData);                 Table tablebottom = new Table(4,true);           //tablebottom.setBorder(new SolidBorder(ColorConstants.BLACK, 3));           tablebottom.setHorizontalAlignment(HorizontalAlignment.CENTER);           tablebottom.addCell(new Cell().add(new Paragraph("產品ID").setFont(pfont)).setBorderTop(new SolidBorder(ColorConstants.BLACK, 3)));           tablebottom.addCell(new Cell().add(new Paragraph("名稱").setFont(pfont)).setBorderTop(new SolidBorder(ColorConstants.BLACK, 3)));           tablebottom.addCell(new Cell().add(new Paragraph("書量").setFont(pfont)).setBorderTop(new SolidBorder(ColorConstants.BLACK, 3)));           tablebottom.addCell(new Cell().add(new Paragraph("價格").setFont(pfont)).setBorderTop(new SolidBorder(ColorConstants.BLACK, 3)));           //table.setHeaderRows(1);           //Cell[] cells = table.getCell(2,3);           //for (int j=0;j<cells.length;j++){               //cells[j].setBackgroundColor(ColorConstants.BLACK);           //}           for (Orders s:orders){               Cell cel1= new Cell().add(new Paragraph(String.valueOf(s.getProductId()))).setBorder(new SolidBorder(ColorConstants.BLACK, 3));               cel1.setTextAlignment(TextAlignment.CENTER);               tablebottom.addCell(cel1);               Cell cel2=new Cell().add(new Paragraph(s.getProduct()).setFont(pfont)).setBorder(new SolidBorder(ColorConstants.BLACK, 3));               cel2.setTextAlignment(TextAlignment.CENTER);               tablebottom.addCell(cel2);               Cell cel3=new Cell().add(new Paragraph(String.valueOf(s.getQty()))).setBorder(new SolidBorder(ColorConstants.BLACK, 3));               cel3.setTextAlignment(TextAlignment.CENTER);               tablebottom.addCell(cel3);               Cell cel4=new Cell().add(new Paragraph(String.valueOf(s.getPrice()))).setBorder(new SolidBorder(ColorConstants.BLACK, 3));               cel4.setTextAlignment(TextAlignment.CENTER);               tablebottom.addCell(cel4);           }             Cell cel1= new Cell().add(new Paragraph("3").setBorderBottom(new SolidBorder(ColorConstants.BLACK, 3)));           cel1.setTextAlignment(TextAlignment.CENTER);           tablebottom.addCell(cel1);           Cell cel2=new Cell().add(new Paragraph("涂聚文").setFont(pfont).setBorderBottom(new SolidBorder(ColorConstants.BLACK, 3)).setBorderLeft(new SolidBorder(ColorConstants.BLACK, 3)));           cel2.setTextAlignment(TextAlignment.CENTER);           tablebottom.addCell(cel2);           Cell cel3=new Cell().add(new Paragraph("333").setBorderBottom(new SolidBorder(ColorConstants.BLACK, 3)).setBorderLeft(new SolidBorder(ColorConstants.BLACK, 3)));           cel3.setTextAlignment(TextAlignment.CENTER);           tablebottom.addCell(cel3);           Cell cel4=new Cell().add(new Paragraph("3333").setBorderBottom(new SolidBorder(ColorConstants.BLACK, 3)).setBorderLeft(new SolidBorder(ColorConstants.BLACK, 3)));           cel4.setTextAlignment(TextAlignment.CENTER);           tablebottom.addCell(cel4);             document.add(tablebottom);             ImageData imageData = ImageDataFactory.create("geovindu.jpg");           Image image1 = new Image(imageData);           //Fixed Positioning           //image1.setAbsolutePosition(205f, 150f);           //Scale to new height and new width of image           image1.scaleAbsolute(100, 100);           //Add to document           document.add(image1);               document.close();           writer.close();         } catch (Exception e)       {           e.printStackTrace();       }     }     }

　　

调用：

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// SimpleItext itextpdf=new SimpleItext(); //itextpdf.test(); itextpdf.Createpdf();