基本信息
源码名称:java pdf增加水印示例源码
源码大小:10.13M
文件格式:.zip
开发语言:Java
更新时间:2019-03-08
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源码介绍
package com.test.main; import java.io.File; import java.io.FileOutputStream; import java.util.ArrayList; import java.util.List; import com.itextpdf.text.BaseColor; import com.itextpdf.text.Document; import com.itextpdf.text.Element; import com.itextpdf.text.Font; import com.itextpdf.text.Image; 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.PdfContentByte; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfReader; import com.itextpdf.text.pdf.PdfStamper; import com.itextpdf.text.pdf.PdfWriter; public class test4 { public static void buidPDF(String pdfFile, String imageFile, String waterMarkName, int permission) { try { File file = File.createTempFile("tempFile", ".pdf"); // 创建临时文件 // 生成PDF if (createPDFFile(file)) { waterMark(file.getPath(), imageFile, pdfFile, waterMarkName, permission); // 添加水印 } } catch (Exception e) { e.printStackTrace(); } } /** * 创建PDF文件 * * @param file * 临时文件 * @return 成功/失败 */ public static boolean createPDFFile(File file) { Rectangle rect = new Rectangle(PageSize.A5); Document document = new Document(); try { PdfWriter.getInstance(document, new FileOutputStream("TableCellBorder.pdf")); document.open(); PdfPTable table = new PdfPTable(3); PdfPCell cell1 = new PdfPCell(new Phrase("Cell 1")); cell1.setUseBorderPadding(true); // // Setting cell's border width and color // cell1.setBorderWidth(5f); cell1.setBorderColor(BaseColor.BLUE); table.addCell(cell1); PdfPCell cell2 = new PdfPCell(new Phrase("Cell 2")); cell2.setUseBorderPadding(true); // // Setting cell's background color // cell2.setBackgroundColor(BaseColor.GRAY); // // Setting cell's individual border color // cell2.setBorderWidthTop(1f); cell2.setBorderColorTop(BaseColor.RED); cell2.setBorderColorRight(BaseColor.GREEN); cell2.setBorderColorBottom(BaseColor.BLUE); cell2.setBorderColorLeft(BaseColor.BLACK); table.addCell(cell2); PdfPCell cell3 = new PdfPCell(new Phrase("Cell 3")); cell3.setUseBorderPadding(true); // // Setting cell's individual border width // cell3.setBorderWidthTop(2f); cell3.setBorderWidthRight(1f); cell3.setBorderWidthBottom(2f); cell3.setBorderWidthLeft(1f); table.addCell(cell3); table.completeRow(); document.add(table); } catch (Exception e) { e.printStackTrace(); } finally { document.close(); } return true; } public static void waterMark(String inputFile, String imageFile, String outputFile, String waterMarkName, int permission) { try { PdfReader reader = new PdfReader(inputFile); PdfStamper stamper = new PdfStamper(reader, new FileOutputStream( outputFile)); BaseFont base = BaseFont.createFont( "C:/WINDOWS/Fonts/SIMSUN.TTC,1", "Identity-H", true);// 使用系统字体 int total = reader.getNumberOfPages() 1; Image image = Image.getInstance(imageFile); // 图片位置 image.setAbsolutePosition(0,88); image.setRotationDegrees(45); PdfContentByte under; int j = waterMarkName.length(); char c = 0; int rise = 0; for (int i = 1; i < total; i ) { rise = 400; under = stamper.getUnderContent(i); under.beginText(); under.setFontAndSize(base, 30); if (j >= 15) { under.setTextMatrix(200, 120); for (int k = 0; k < j; k ) { under.setTextRise(rise); c = waterMarkName.charAt(k); under.showText(c ""); } } else { under.setTextMatrix(240, 100); for (int k = 0; k < j; k ) { under.setTextRise(rise); c = waterMarkName.charAt(k); under.showText(c ""); rise -= 18; } } // 添加水印文字 under.endText(); // 添加水印图片 under.addImage(image); /* // 画个圈 under.ellipse(250, 450, 350, 550); under.setLineWidth(1f); under.stroke();*/ } stamper.close(); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { String imageFilePath = "C:\\Users\\admin\\Desktop\\ruituo.png"; // 水印图片路径 String pdfFilePath = "F:\\Download\\itext.PDF"; // 文件生成路径 buidPDF(pdfFilePath, imageFilePath, "", 16); } public static String leftPad(String str, int i) { int addSpaceNo = i-str.length(); String space = ""; for (int k=0; k<addSpaceNo; k ){ space= " " space; }; String result =space str ; return result; } public static void add(List<String> list,int num){ for(int i=0;i<num;i ){ list.add("A" i); } } public static void add2(List<String> list,int num){ for(int i=0;i<num;i ){ list.add("D" i); } } public static void add1(List<String> list,int num){ for(int i=0;i<num;i ){ list.add("C" i); } } public static String printBlank(int tmp){ String space=""; for(int m=0;m<tmp;m ){ space=space " "; } return space; } /** * 创建一个跨多列的单元格 * @param colspan 所占列数 * @param paragraph 单元格内容文字 * @param align 对齐方式 */ public static PdfPCell newPdfPCellByColspan(int colspan,Paragraph paragraph,int align){ PdfPTable iTable=new PdfPTable(1); PdfPCell iCell=new PdfPCell(); iCell.setColspan(colspan); iCell.setBorder(0); iCell.addElement(paragraph); iCell.setHorizontalAlignment(align); iTable.addCell(iCell); PdfPCell cell=new PdfPCell(iTable); return cell; } /** * 创建一个跨多行的单元格 * @param rows 所占行数 * @param paragraph 单元格内容文字 * @param align 对齐方式 */ public static PdfPCell newPdfPCellByRows(int rows,Paragraph paragraph,int align){ PdfPTable iTable=new PdfPTable(1); PdfPCell iCell=new PdfPCell(); iCell.setFixedHeight(iCell.getFixedHeight()*rows); iTable.addCell(iCell); iCell.addElement(paragraph); iCell.setHorizontalAlignment(align); PdfPCell cell=new PdfPCell(iTable); return cell; } }