java 生成PDF 实例

package test; import java.io.File; import java.awt.Color; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.ArrayList; import java.util.Date; import org.apache.poi.hssf.model.Workbook; import com.itextpdf.text.Document; 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.pdf.BaseFont; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; public class PdfTest { Document document = new Document();// 建立一个Document对象 private static Font headfont;// 设置字体大小 private static Font keyfont;// 设置字体大小 private static Font textfont;// 设置字体大小 static { BaseFont bfChinese; try { bfChinese = BaseFont.createFont("C:/WINDOWS/Fonts/SIMSUN.TTC,1",BaseFont.IDENTITY_H, BaseFont.EMBEDDED); Font chineseFont = new Font(bfChinese, 12, Font.NORMAL); PdfPCell cellReportSummary = new PdfPCell(new Phrase("支持中文", chineseFont)); headfont = new Font(bfChinese, 10, Font.BOLD);// 设置字体大小 keyfont = new Font(bfChinese, 8, Font.BOLD);// 设置字体大小 textfont = new Font(bfChinese, 8, Font.NORMAL);// 设置字体大小 } catch (Exception e) { e.printStackTrace(); } } public PdfTest(File file) { document.setPageSize(PageSize.A4);// 设置页面大小 try { PdfWriter.getInstance(document, new FileOutputStream(file)); document.open(); } catch (Exception e) { e.printStackTrace(); } } int maxWidth = 520; public PdfPCell createCell(String value, Font font, int align) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setPhrase(new Phrase(value, font)); return cell; } public PdfPCell createCell(String value, Font font) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(Element.ALIGN_CENTER); cell.setPhrase(new Phrase(value, font)); return cell; } public PdfPCell createCell(String value, Font font, int align, int colspan) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setColspan(colspan); cell.setPhrase(new Phrase(value, font)); return cell; } public PdfPCell createCell(String value, Font font, int align, int colspan, boolean boderFlag) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(align); cell.setColspan(colspan); cell.setPhrase(new Phrase(value, font)); cell.setPadding(3.0f); if (!boderFlag) { cell.setBorder(0); cell.setPaddingTop(15.0f); cell.setPaddingBottom(8.0f); } return cell; } public PdfPTable createTable(int colNumber) { PdfPTable table = new PdfPTable(colNumber); try { table.setTotalWidth(maxWidth); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER); table.getDefaultCell().setBorder(1); } catch (Exception e) { e.printStackTrace(); } return table; } public PdfPTable createTable(float[] widths) { PdfPTable table = new PdfPTable(widths); try { table.setTotalWidth(maxWidth); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER); table.getDefaultCell().setBorder(1); } catch (Exception e) { e.printStackTrace(); } return table; } public PdfPTable createBlankTable() { PdfPTable table = new PdfPTable(1); table.getDefaultCell().setBorder(0); table.addCell(createCell("", keyfont)); table.setSpacingAfter(20.0f); table.setSpacingBefore(20.0f); return table; } public void generatePDF() throws Exception { PdfPTable table = createTable(4); table.addCell(createCell("学生信息列表：", keyfont, Element.ALIGN_LEFT, 4, false)); table.addCell(createCell("姓名", keyfont, Element.ALIGN_CENTER)); table.addCell(createCell("年龄", keyfont, Element.ALIGN_CENTER)); table.addCell(createCell("性别", keyfont, Element.ALIGN_CENTER)); table.addCell(createCell("住址", keyfont, Element.ALIGN_CENTER)); for (int i = 0; i < 5; i++) { table.addCell(createCell("姓名" + i, textfont)); table.addCell(createCell(i + 15 + "", textfont)); table.addCell(createCell((i % 2 == 0) ? "男" : "女", textfont)); table.addCell(createCell("地址" + i, textfont)); } document.add(table); document.close(); } public static void main(String[] args) throws Exception { File file = new File("D:\\text.pdf"); file.createNewFile(); new PdfTest(file).generatePDF(); System.out.println("创建成功！"); } }