import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Element; import com.itextpdf.text.Font; import com.itextpdf.text.PageSize; import com.itextpdf.text.Paragraph; import com.itextpdf.text.Phrase; import com.itextpdf.text.Rectangle; import com.itextpdf.text.pdf.BaseFont; import com.itextpdf.text.pdf.ColumnText; import com.itextpdf.text.pdf.PdfContentByte; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPRow; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; public class PDFBuilder { private int pageHeight; private int pageWidth; private PDFBuilder() { } public static PDFBuilder getInstance() { return new PDFBuilder(); } public void generatePDF() throws Exception { String fileName = "c:\\b.pdf"; File fn = new File(fileName); if (!fn.exists()) { try { fn.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } else { fn.delete(); fn.createNewFile(); } Document document = new Document(new Rectangle(pageWidth, pageHeight)); //Document document = new Document(PageSize.A4); PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileName)); this.setFooter(writer); writer.setFullCompression(); writer.setPdfVersion(PdfWriter.VERSION_1_4); document.open(); BaseFont bfTitle = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED); Font titleFont = new Font(bfTitle, 18, Font.NORMAL); // 内容字体 BaseFont bfComic = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED); Font font = new Font(bfComic, 9, Font.NORMAL); // Set pdf version to 1.4 PdfContentByte cb = writer.getDirectContent(); ColumnText ct = new ColumnText(cb); // for(int i=0;i<1;i++){ document.newPage(); // 生成三列表格 PdfPTable table = new PdfPTable(6); // 设置表格具体宽度 table.setWidthPercentage(100); table.setWidthPercentage(100); // 设置每一列所占的长度 table.setWidths(new float[] { 20f, 20f, 20f, 40f, 20f, 40f }); // table.addCell("----------------------"); PdfPCell cell1 = new PdfPCell(); Paragraph para = new Paragraph("序号", font); // 设置该段落为居中显示 para.setAlignment(1); cell1.setPhrase(para); table.addCell(cell1); table.addCell(new PdfPCell(new Phrase("姓名", font))); table.addCell(new PdfPCell(new Phrase("性别", font))); table.addCell(new PdfPCell(new Phrase("电话", font))); table.addCell(new PdfPCell(new Phrase("地址", font))); table.addCell(new PdfPCell(new Phrase("身份证", font))); for (PdfPRow row : (ArrayList<PdfPRow>) table.getRows()) { for (PdfPCell cells : row.getCells()) { if (cells != null) { cells.setPadding(6.0f); } } } for (int i = 0; i < 60; i++) { table.addCell(new Paragraph("Name(CN)", font)); table.addCell(new Paragraph("党宁生", font)); table.addCell(new Paragraph("Name(EN)", font)); table.addCell(new Paragraph("DANG NING SHENG", font)); table.addCell(new Paragraph("DANG NING SHENG", font)); table.addCell(new Paragraph("DANG NING SHENG ,Tian 广东省天河区天河北路898号",font)); } //table.addCell(String.format("page %d of", writer.getPageNumber())); // // document.add(new Paragraph ("===============================",font)); // document.addHeader("999999999999","0000000000000000"); Paragraph title = new Paragraph("起租通知书", titleFont);// 抬头 title.setAlignment(Element.ALIGN_CENTER); // 居中设置 title.setLeading(2f);// 设置行间距 Paragraph title2 = new Paragraph(" ", font);// 抬头 title2.setAlignment(Element.ALIGN_CENTER); // 居中设置 // title.setLeading(1f);//设置行间距//设置上面空白宽度 title2.setLeading(2f);// 设置行间距 document.add(title); document.add(title2); document.add(table); // 如果不设置 空白页无法单独显示 writer.setPageEmpty(false); // } document.close(); } private void setFooter(PdfWriter writer) throws DocumentException, IOException { // HeaderFooter headerFooter = new HeaderFooter(this); // 更改事件,瞬间变身 第几页/共几页 模式。 PdfReportM1HeaderFooter headerFooter = new PdfReportM1HeaderFooter();// 就是上面那个类 writer.setBoxSize("art", PageSize.A4); writer.setPageEvent(headerFooter); } public int getPageHeight() { return pageHeight; } public void setPageHeight(int pageHeight) { this.pageHeight = pageHeight; } public int getPageWidth() { return pageWidth; } public void setPageWidth(int pageWidth) { this.pageWidth = pageWidth; } public static void main(String[] args) throws Exception { PDFBuilder builder = new PDFBuilder(); // builder.setPageHeight(800); // builder.setPageWidth(600); builder.setPageHeight((int)PageSize.A4.getWidth()); builder.setPageWidth((int)PageSize.A4.getWidth()); System.out.println("===Width======"+PageSize.A4.getWidth()); System.out.println("===Height======"+PageSize.A4.getHeight()); builder.generatePDF(); } }
import java.io.IOException; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Element; import com.itextpdf.text.Font; import com.itextpdf.text.PageSize; import com.itextpdf.text.Phrase; import com.itextpdf.text.Rectangle; import com.itextpdf.text.pdf.BaseFont; import com.itextpdf.text.pdf.ColumnText; import com.itextpdf.text.pdf.PdfContentByte; import com.itextpdf.text.pdf.PdfPageEventHelper; import com.itextpdf.text.pdf.PdfTemplate; import com.itextpdf.text.pdf.PdfWriter; /** * ClassName:PdfReportM1HeaderFooter <br/> */ public class PdfReportM1HeaderFooter extends PdfPageEventHelper { /** * 页眉 */ public String header = ""; /** * 文档字体大小,页脚页眉最好和文本大小一致 */ public int presentFontSize = 12; /** * 文档页面大小,最好前面传入,否则默认为A4纸张 */ public Rectangle pageSize = PageSize.A4; // 模板 public PdfTemplate total; // 基础字体对象 public BaseFont bf = null; // 利用基础字体生成的字体对象,一般用于生成中文文字 public Font fontDetail = null; /** * * Creates a new instance of PdfReportM1HeaderFooter 无参构造方法. * */ public PdfReportM1HeaderFooter() { } /** * * Creates a new instance of PdfReportM1HeaderFooter 构造方法. * * @param yeMei * 页眉字符串 * @param presentFontSize * 数据体字体大小 * @param pageSize * 页面文档大小,A4,A5,A6横转翻转等Rectangle对象 */ public PdfReportM1HeaderFooter(String yeMei, int presentFontSize, Rectangle pageSize) { this.header = yeMei; this.presentFontSize = presentFontSize; this.pageSize = pageSize; } public void setHeader(String header) { this.header = header; } public void setPresentFontSize(int presentFontSize) { this.presentFontSize = presentFontSize; } /** * * TODO 文档打开时创建模板 * * @see com.itextpdf.text.pdf.PdfPageEventHelper#onOpenDocument(com.itextpdf.text.pdf.PdfWriter, * com.itextpdf.text.Document) */ public void onOpenDocument(PdfWriter writer, Document document) { total = writer.getDirectContent().createTemplate(50, 50);// 共 页 的矩形的长宽高 } /** * * TODO 关闭每页的时候,写入页眉,写入'第几页共'这几个字。 * * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(com.itextpdf.text.pdf.PdfWriter, * com.itextpdf.text.Document) */ public void onEndPage(PdfWriter writer, Document document) { try { if (bf == null) { bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false); } if (fontDetail == null) { fontDetail = new Font(bf, presentFontSize, Font.NORMAL);// 数据体字体 } } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // 1.写入页眉 ColumnText.showTextAligned(writer.getDirectContent(), Element.ALIGN_LEFT, new Phrase(header, fontDetail), document.left(), document.top() + 20, 0); // 2.写入前半部分的 第 X页/共 int pageS = writer.getPageNumber(); String foot1 = "第 " + pageS + " 页 /共"; Phrase footer = new Phrase(foot1, fontDetail); // 3.计算前半部分的foot1的长度,后面好定位最后一部分的'Y页'这俩字的x轴坐标,字体长度也要计算进去 = len float len = bf.getWidthPoint(foot1, presentFontSize); // 4.拿到当前的PdfContentByte PdfContentByte cb = writer.getDirectContent(); // 5.写入页脚1,x轴就是(右margin+左margin + right() -left()- len)/2.0F // 再给偏移20F适合人类视觉感受,否则肉眼看上去就太偏左了 // ,y轴就是底边界-20,否则就贴边重叠到数据体里了就不是页脚了;注意Y轴是从下往上累加的,最上方的Top值是大于Bottom好几百开外的。 ColumnText .showTextAligned( cb, Element.ALIGN_CENTER, footer, (document.rightMargin() + document.right() + document.leftMargin() - document.left() - len) / 2.0F + 20F, document.bottom() - 20, 0); // 6.写入页脚2的模板(就是页脚的Y页这俩字)添加到文档中,计算模板的和Y轴,X=(右边界-左边界 - 前半部分的len值)/2.0F + // len , y 轴和之前的保持一致,底边界-20 cb.addTemplate(total, (document.rightMargin() + document.right() + document.leftMargin() - document.left()) / 2.0F + 20F, document.bottom() - 20); // 调节模版显示的位置 } /** * * TODO 关闭文档时,替换模板,完成整个页眉页脚组件 * * @see com.itextpdf.text.pdf.PdfPageEventHelper#onCloseDocument(com.itextpdf.text.pdf.PdfWriter, * com.itextpdf.text.Document) */ public void onCloseDocument(PdfWriter writer, Document document) { // 7.最后一步了,就是关闭文档的时候,将模板替换成实际的 Y 值,至此,page x of y 制作完毕,完美兼容各种文档size。 total.beginText(); total.setFontAndSize(bf, presentFontSize);// 生成的模版的字体、颜色 String foot2 = " " + (writer.getPageNumber() - 1) + " 页"; total.showText(foot2);// 模版显示的内容 total.endText(); total.closePath(); } }
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