文章目录
Java中Itext生成Pdf,并给PdfCell添加图片1. 页眉页脚类 _ 根据实际情况使用，如不需要可忽略此步2. Pdf生成 [ PdfCell添加图片参考createHardwarePDF方法的第九行nineRowTalbe ]3. 实现效果如下图Java中Itext生成Pdf,并给PdfCell添加图片
1. 页眉页脚类 _ 根据实际情况使用，如不需要可忽略此步
package com.mediinfo.test;import com.itextpdf.text.*;import com.itextpdf.text.pdf.*;import lombok.SneakyThrows;import lombok.extern.slf4j.Slf4j;import java.io.IOException;import java.util.Date;@Slf4jpublic class PdfHeaderFooter extends PdfPageEventHelper {private final static String FONT_PATH = "c:\\windows\\fonts\\SIMSUN.TTC,1";private final static String logoPath = "D:\\1.jpg";//总页码使用的模板对象public PdfTemplate totalNumTemplate = null;/*** 重写页面结束时间 分别添加页眉、页脚*/public void onEndPage(PdfWriter writer, Document docment){try{this.addPageHeader(writer, docment);}catch(Exception e){log.error("添加页眉出错", e);}try{this.addPageFooter(writer, docment);}catch(Exception e){log.error("添加页脚出错", e);}}/*** 页眉*/private void addPageHeader(PdfWriter writer, Document docment) throws IOException, DocumentException {BaseFont BASE_FONT = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);//创建字体Font textFont = new Font(BASE_FONT, 10f);//两列 一列logo 一列项目简称 有Logo时添加图片，没有时添加个空值，避免报错PdfPTable table = new PdfPTable(2);//设置表格宽度 A4纸宽度减去两个边距 比如我一边30 所以减去60table.setTotalWidth(PageSize.A4.getWidth()-60);//logo//创建图片对象try {Image logo = Image.getInstance(logoPath);//创建一个Phrase对象 再添加一个Chunk对象进去 Chunk里边是图片Phrase logoP = new Phrase("", textFont);//自己调整偏移值 主要是y轴值logoP.add(new Chunk(logo, 0, -5));PdfPCell logoCell = new PdfPCell(logoP);//只保留底部边框和设置高度logoCell.disableBorderSide(13);logoCell.setFixedHeight(20);table.addCell(logoCell);}catch (IOException e){Phrase nameP = new Phrase("", textFont);PdfPCell nameCell = new PdfPCell(nameP);nameCell.disableBorderSide(13);nameCell.setFixedHeight(20);table.addCell(nameCell);}Phrase nameP = new Phrase("页眉右上角显示的内容", textFont);PdfPCell nameCell = new PdfPCell(nameP);//只保留底部边框和设置高度 设置水平居右和垂直居中nameCell.disableBorderSide(13);nameCell.setFixedHeight(20);nameCell.setHorizontalAlignment(Element.ALIGN_RIGHT);nameCell.setVerticalAlignment(Element.ALIGN_MIDDLE);table.addCell(nameCell);//再把表格写到页眉处 使用绝对定位table.writeSelectedRows(0, -1, 30, PageSize.A4.getHeight()-5, writer.getDirectContent());}/*** 页脚*/private void addPageFooter(PdfWriter writer, Document docment) throws DocumentException, IOException {BaseFont BASE_FONT = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);//创建字体Font textFont = new Font(BASE_FONT, 10f);//三列 一列导出人 一列页码 一列时间PdfPTable table = new PdfPTable(3);//设置表格宽度 A4纸宽度减去两个边距 比如我一边30 所以减去60table.setTotalWidth(PageSize.A4.getWidth()-60);//仅保留顶部边框table.getDefaultCell().disableBorderSide(14);table.getDefaultCell().setFixedHeight(40);table.getDefaultCell().setVerticalAlignment(Element.ALIGN_MIDDLE);//导出人table.addCell(new Phrase("admin", textFont));//页码//初始化总页码模板if(null == totalNumTemplate){totalNumTemplate = writer.getDirectContent().createTemplate(30, 16);}//再嵌套一个表格 一左一右 左边当前页码 右边总页码 PdfPTable pageNumTable = new PdfPTable(2);pageNumTable.setTotalWidth(new float[]{80f, 80f});pageNumTable.setLockedWidth(true);pageNumTable.setPaddingTop(-5f);//第一列居右pageNumTable.getDefaultCell().disableBorderSide(15);pageNumTable.getDefaultCell().setFixedHeight(16);pageNumTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);pageNumTable.getDefaultCell().setVerticalAlignment(Element.ALIGN_BOTTOM);pageNumTable.addCell(new Phrase(writer.getPageNumber()+" / ", textFont));//第二列居左Image totalNumImg = Image.getInstance(totalNumTemplate);totalNumImg.setPaddingTop(-5f);pageNumTable.getDefaultCell().setPaddingTop(-18f);pageNumTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT);pageNumTable.getDefaultCell().setVerticalAlignment(Element.ALIGN_TOP);pageNumTable.addCell(totalNumImg);//把页码表格添加到页脚表格table.addCell(pageNumTable);//日期table.addCell(new Phrase(String.valueOf(new Date()), textFont));//再把表格写到页脚处 使用绝对定位table.writeSelectedRows(0, -1, 30, 40, writer.getDirectContent());}/*** 文档关闭事件*/@SneakyThrows@Overridepublic void onCloseDocument(PdfWriter writer, Document docment){BaseFont BASE_FONT = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);//创建字体Font textFont = new Font(BASE_FONT, 10f);//将最后的页码写入到总页码模板String totalNum = writer.getPageNumber() + "页";totalNumTemplate.beginText();totalNumTemplate.setFontAndSize(BASE_FONT, 5f);totalNumTemplate.showText(totalNum);totalNumTemplate.setHeight(16f);totalNumTemplate.endText();totalNumTemplate.closePath();}}
2. Pdf生成 [ PdfCell添加图片参考createHardwarePDF方法的第九行nineRowTalbe ]
package com.mediinfo.test;import com.itextpdf.text.*;import com.itextpdf.text.pdf.BaseFont;import com.itextpdf.text.pdf.PdfPCell;import com.itextpdf.text.pdf.PdfPTable;import com.itextpdf.text.pdf.PdfWriter;import java.io.*;public class PdfUtils {//使用例子public static void main(String[] args) throws Exception {createHardwarePDF("d:/test.pdf");}/*** 新建以下两个方法,创建表格内的字体和样式的方法** @param str 内容* @param font 字体对象* @param high 表格高度* @return* @Param alignCenter 是否水平居中* @Param alignMidde 是否垂直居中*/private static PdfPCell mircoSoftFont(String str, Font font, int high, boolean alignCenter, boolean alignMidde) {PdfPCell pdfPCell = new PdfPCell(new Phrase(str, font));pdfPCell.setMinimumHeight(high);pdfPCell.setUseAscender(true); // 设置可以居中if (alignCenter) {pdfPCell.setHorizontalAlignment(PdfPCell.ALIGN_CENTER); // 设置水平居中}if (alignMidde) {pdfPCell.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE); // 设置垂直居中}return pdfPCell;}/*** @param str 字符串* @param font 字体* @param high 表格高度* @return* @Param alignCenter 是否水平居中* @Param alignMidde 是否垂直居中* @Param haveColor 是否有背景色(灰色)*/private static PdfPCell mircoSoftFont(String str, Font font, int high, boolean alignCenter, boolean alignMidde, boolean haveColor) {PdfPCell pdfPCell = new PdfPCell(new Phrase(str, font));pdfPCell.setMinimumHeight(high);pdfPCell.setUseAscender(true); // 设置可以居中if (alignCenter) {pdfPCell.setHorizontalAlignment(PdfPCell.ALIGN_CENTER); // 设置水平居中}if (alignMidde) {pdfPCell.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE); // 设置垂直居中}if (haveColor) {//颜色代码 RGBpdfPCell.setBackgroundColor(new BaseColor(217, 217, 217));}return pdfPCell;}/*将图片插入到PdfCell*/// private static PdfPCell mircoSoftFont(byte[] iamgeBytes, int high) throws Exception {private static PdfPCell ImageSet(int high) throws Exception {byte[] fileByte = toByteArray("D:\\2.jpg");Jpeg jpeg = new Jpeg(fileByte);jpeg.scaleAbsolute(70, 50);PdfPCell pdfPCell = new PdfPCell(jpeg);pdfPCell.setMinimumHeight(high);pdfPCell.setUseAscender(true); // 设置可以居中pdfPCell.setHorizontalAlignment(PdfPCell.ALIGN_CENTER); // 设置水平居中pdfPCell.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE); // 设置垂直居中return pdfPCell;}/*生成Pdf文档*/public static void createHardwarePDF(String outputPath) throws Exception {//新建文档对象，页大小为A4纸，然后设置4个边距Document document = new Document(PageSize.A4, 20, 20, 30, 30);PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputPath));//创建字体BaseFont baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);//字体对象Font size14font = new Font(baseFont, 14, Font.NORMAL); //大小为14的正常字体Font size10font = new Font(baseFont, 10, Font.BOLD); //大小为10的粗体document.open();// 添加页眉和页码 Add By Zhaof -11-16 实测可用// 要修改页眉页脚显示的内容，直接修改PdfHeaderFooterEvent对象的页眉页脚内容即可；PdfHeaderFooter event = new PdfHeaderFooter();writer.setPageEvent(event);//添加标题PdfPTable tableName = new PdfPTable(1);tableName.setWidthPercentage(90); //设置标题长度占纸张比例PdfPCell titleCell = mircoSoftFont("个人信息", size14font, 80, true, true);titleCell.disableBorderSide(15);tableName.addCell(titleCell);document.add(tableName);//添加第二行的数据PdfPTable secondRowTable = new PdfPTable(3); //三列的意思secondRowTable.setWidthPercentage(90);//这里的数组长度是上面创建的列数,数组的总和为1,就是按比例划分的意思secondRowTable.setTotalWidth(new float[]{0.18f, 0.32f, 0.5f});secondRowTable.addCell(mircoSoftFont(" 姓名: ", size10font, 50, false, true));secondRowTable.addCell(mircoSoftFont("李晓明", size10font, 50, false, true));secondRowTable.addCell(mircoSoftFont(" 出生日期: 1994年3月14日", size10font, 50, false, true));document.add(secondRowTable);//第三行数据PdfPTable thirdRowTable = new PdfPTable(3);thirdRowTable.setWidthPercentage(90);thirdRowTable.setTotalWidth(new float[]{0.18f, 0.32f, 0.5f});thirdRowTable.addCell(mircoSoftFont(" 名族:", size10font, 50, false, true));thirdRowTable.addCell(mircoSoftFont("汉族", size10font, 50, false, true));thirdRowTable.addCell(mircoSoftFont(" 联系电话: 13888880000", size10font, 50, false, true));document.add(thirdRowTable);//第四行数据PdfPTable fourthRowTable = new PdfPTable(2);fourthRowTable.setWidthPercentage(90);fourthRowTable.setTotalWidth(new float[]{0.66f, 0.34f});fourthRowTable.addCell(mircoSoftFont(" 个人描述 :", size10font, 175, false, false));fourthRowTable.addCell(mircoSoftFont("个人特长 :", size10font, 175, false, false));document.add(fourthRowTable);//第五行PdfPTable fifthDetailName = new PdfPTable(1);fifthDetailName.setWidthPercentage(90);fifthDetailName.addCell(mircoSoftFont("获奖记录 :", size14font, 50, true, true));document.add(fifthDetailName);//第六行PdfPTable sisthRowTalbe = new PdfPTable(1);sisthRowTalbe.setWidthPercentage(90);sisthRowTalbe.addCell(mircoSoftFont(" 联系地址: " + "广东省广州市天河区XXXXXXXXXXXXXXXXXX", size10font, 50, false, true));document.add(sisthRowTalbe);PdfPTable seventhRowTalbe = new PdfPTable(1);seventhRowTalbe.setWidthPercentage(90);seventhRowTalbe.addCell(mircoSoftFont(" 毕业院校 ", size14font, 60, true, true));document.add(seventhRowTalbe);//第八行PdfPTable eiththRowTalbe = new PdfPTable(3);eiththRowTalbe.setWidthPercentage(90);eiththRowTalbe.setTotalWidth(new float[]{0.3f, 0.5f, 0.2f});eiththRowTalbe.addCell(mircoSoftFont(" 毕业学校", size10font, 50, true, true, true));eiththRowTalbe.addCell(mircoSoftFont(" 就读日期", size10font, 50, true, true, true));eiththRowTalbe.addCell(mircoSoftFont(" 联系人", size10font, 50, true, true, true));document.add(eiththRowTalbe);//接下来加ListString school = "XXX学校";String time = "09 - -06";String name = "陈某";for (int i = 0; i < 2; i++) {PdfPTable tempTable = new PdfPTable(3);tempTable.setWidthPercentage(90);tempTable.setTotalWidth(new float[]{0.3f, 0.5f, 0.2f});tempTable.addCell(mircoSoftFont(school, size10font, 50, true, true));tempTable.addCell(mircoSoftFont(time, size10font, 50, true, true));tempTable.addCell(mircoSoftFont(name, size10font, 50, true, true));document.add(tempTable);}// 第九行，添加图片PdfPTable nineRowTalbe = new PdfPTable(3);nineRowTalbe.setWidthPercentage(90);nineRowTalbe.setTotalWidth(new float[]{0.3f, 0.5f, 0.2f});nineRowTalbe.addCell(mircoSoftFont(" test1", size10font, 50, true, true));nineRowTalbe.addCell(mircoSoftFont(" test222", size10font, 50, true, true));nineRowTalbe.addCell(ImageSet(50)); // 给PdfCell添加图片document.add(nineRowTalbe);document.close();writer.close();}public static byte[] toByteArray(String filename) throws IOException {File f = new File(filename);if (!f.exists()) {throw new FileNotFoundException(filename);}ByteArrayOutputStream bos = new ByteArrayOutputStream((int) f.length());BufferedInputStream in = null;try {in = new BufferedInputStream(new FileInputStream(f));int buf_size = 1024;byte[] buffer = new byte[buf_size];int len = 0;while (-1 != (len = in.read(buffer, 0, buf_size))) {bos.write(buffer, 0, len);}return bos.toByteArray();} catch (IOException e) {e.printStackTrace();throw e;} finally {try {in.close();} catch (IOException e) {e.printStackTrace();}bos.close();}}}
