文章主要通过Java纯后端实现生成PDF源码方案，可以实现PDF表格、图片、统计图及模板！
这里需要用到的技术：JDK8、SpringBoot、POM、lombok、hutool等
搭建一个SpringBoot项目，这个很简单就不举例了。然后引入pom依赖如下：
<dependency> <groupId>com.itextpdf</groupId> <artifactId>itextpdf</artifactId> <version>5.5.9</version> </dependency> <dependency> <groupId>com.itextpdf</groupId> <artifactId>itext-asian</artifactId> <version>5.2.0</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-core</artifactId> <version>5.4.3</version> <scope>compile</scope> </dependency>对账实体
package com.test.merservice.controller.miniapp;import lombok.Data;import lombok.experimental.Accessors;import java.math.BigDecimal;/** *对账 */@Data@Accessors(chain = true)public class Reconciliation { private String jg; private Integer ydz; private Integer wdz; private BigDecimal dzl;}逾期表格实体
package com.test.merservice.controller.miniapp;import lombok.Data;import lombok.experimental.Accessors;import java.io.Serializable;/** *逾期表格 */@Data@Accessors(chain = true)public class BeOverdueTable implements Serializable { private String jg; private Integer yqs;}package com.test.merservice.controller.miniapp;import cn.hutool.core.date.DateUtil;import com.example.demo.domain.DuizhangDomain;import com.example.demo.domain.YqTable;import com.example.demo.pdf.phantom.App;import com.example.demo.pdf.phantom.PageEvent;import com.itextpdf.text.*;import com.itextpdf.text.pdf.*;import freemarker.template.TemplateException;import org.springframework.core.io.ClassPathResource;import javax.servlet.http.HttpServletResponse;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.math.BigDecimal;import java.util.ArrayList;import java.util.List;/** * 动态生成PDF */public class CreatePdfEchrtsAndTable { private final static String TITLE = '标题'; public void createPdfFile(HttpServletResponse response) throws IOException, DocumentException, TemplateException { //设置请求返回类型 response.setHeader('Content-Disposition', 'attachment; filename=对账测试.pdf'); OutputStream outputStream = response.getOutputStream(); //模板路径，放到项目里用这个ClassPathResource ClassPathResource classPathResource = new ClassPathResource('templates/模板.pdf'); InputStream inputStream = classPathResource.getInputStream(); PdfReader reader = new PdfReader(inputStream); ByteArrayOutputStream bos = new ByteArrayOutputStream(); PdfStamper ps = new PdfStamper(reader, bos); //设置字体 final BaseFont font = BaseFont.createFont('STSong-Light', 'UniGB-UCS2-H', BaseFont.NOT_EMBEDDED); ArrayList<BaseFont> fontList = new ArrayList<>(); fontList.add(font); //提取表单,这个是模板画好的文本框 AcroFields s = getAcroFields(ps, font, fontList); //添加图片 PdfContentByte cb = getPdfContentByte(ps, s); //获取统计图 extracted(s, cb); //按机构统计图 byte[] echarts = getBytes(font, s, cb); //按场合统计图 extracted(font, s, cb, echarts); //按等级统计图 extracted(ps, font, s, cb, echarts); //*******************填充编辑好后的pdf************** reader = new PdfReader(bos.toByteArray()); Rectangle pageSize = reader.getPageSize(1); Document document = new Document(pageSize); PdfWriter writer = PdfWriter.getInstance(document, outputStream); writer.setPageEvent(new PageEvent()); // 打开文档 document.open(); PdfContentByte cbUnder = writer.getDirectContentUnder(); PdfImportedPage pageTemplate = writer.getImportedPage(reader, 1); cbUnder.addTemplate(pageTemplate, 0, 0); //重新开一页面(注意一下，这里必须要重新开一个页面，不如会导致内容重叠) document.newPage(); createTable(writer,document);// document.newPage(); createTableYq(writer,document); document.close(); outputStream.close(); } private void extracted(PdfStamper ps, BaseFont font, AcroFields s, PdfContentByte cb, byte[] echarts) { Rectangle adj = s.getFieldPositions('adj').get(0).position; Image adjImage = Image.getInstance(echarts); // 设根据域大小设置缩放图片 adjImage.scaleToFit(adj.getWidth(),400); // 设置居中 adjImage.setAlignment(Image.MIDDLE); // 绝对定位 adjImage.setAbsolutePosition(adj.getLeft(),adj.getBottom()); cb.addImage(adjImage); //按场景排名 for (int i = 1; i <= 3; i++) { s.setFieldProperty('adj' + i,'textfont', font,null); s.setField('adj' + i,'机构' + i); } ps.setFormFlattening(true); ps.close(); } private void extracted(BaseFont font, AcroFields s, PdfContentByte cb, byte[] echarts) { Rectangle acj = s.getFieldPositions('acj').get(0).position; Image acjImage = Image.getInstance(echarts); // 设根据域大小设置缩放图片 acjImage.scaleToFit(acj.getWidth(), 400); // 设置居中 acjImage.setAlignment(Image.MIDDLE); // 绝对定位 acjImage.setAbsolutePosition(acj.getLeft(),acj.getBottom()); cb.addImage(acjImage); //按场景排名 for (int i = 1; i <= 3; i++) { s.setFieldProperty('acj' + i,'textfont', font,null); s.setField('acj' + i,'机构' + i); } } private byte[] getBytes(BaseFont font, AcroFields s, PdfContentByte cb) { //这个是生成echarts的类，如果需要生成echarts可以去看我的另一个文章，上面前言已经提到了 App app1 = new App(); byte[] echarts1 = app1.createEcharts('ajg.ftl'); Image ajgImage = Image.getInstance(echarts1); Rectangle ajg = s.getFieldPositions('ajg').get(0).position; // 根据域大小设置缩放图片 ajgImage.scaleToFit(ajg.getWidth(),400); // 设置居中 ajgImage.setAlignment(Image.MIDDLE); // 绝对定位 ajgImage.setAbsolutePosition(ajg.getLeft(),ajg.getBottom()); cb.addImage(ajgImage); //按机构排名，这个是在图片的基础上还要添加数据，这个模板可以画好 for (int i = 1; i <= 3; i++) { s.setFieldProperty('ajg' + i,'textfont', font,null); s.setField('ajg' + i,'机构' + i); } App app = new App(); byte[] echarts = app.createEcharts('option.ftl'); //按业务 Rectangle ayw = s.getFieldPositions('ayw').get(0).position; Image aywImage = Image.getInstance(echarts); // 设根据域大小设置缩放图片 aywImage.scaleToFit(ayw.getWidth(), 400); // 设置居中 aywImage.setAlignment(Image.MIDDLE); // 绝对定位 aywImage.setAbsolutePosition(ayw.getLeft(),ayw.getBottom()); cb.addImage(aywImage); //按业务排名 for (int i = 1; i <= 3; i++) { s.setFieldProperty('ayw' + i,'textfont', font,null); s.setField('ayw' + i,'机构' + i); } return echarts; } private void extracted(AcroFields s, PdfContentByte cb) { //获取域 Rectangle rlt = s.getFieldPositions('rlt').get(0).position; //热力图 Image rltImage = Image.getInstance('https://img0.baidu.com/it/u=4043177345,1055141017&fm=253&app=138&size=w931&n=0&f=PNG&fmt=auto?sec=1668186000&t=8cfdc5c95cc0070eb91946d780ee8dc3'); //根据域大小设置缩放图片 rltImage.scaleToFit(rlt.getWidth() + 100,rlt.getHeight()); // 设置居中 rltImage.setAlignment(Image.MIDDLE); //绝对定位 rltImage.setAbsolutePosition(rlt.getLeft(),rlt.getBottom()); //图片旋转，这个可以将图片进行一个旋转，看自己需求// rltImage.setRotationDegrees(90); cb.addImage(rltImage); } private PdfContentByte getPdfContentByte(PdfStamper ps, AcroFields s) { PdfContentByte cb = ps.getOverContent(1); //添加logo Rectangle logo = s.getFieldPositions('logo').get(0).position; Image logoImage = Image.getInstance('https://img1.baidu.com/it/u=3646261857,3326755268&fm=253&app=138&size=w931&n=0&f=JPG&fmt=auto?sec=1668186000&t=20050fc88fc3feb1f9d28392f4595ec6'); //根据域的大小缩放图片，我这里宽度在原有的域基础上加了100，你们可以自己调节 logoImage.scaleToFit(logo.getWidth() + 100,logo.getHeight()); logoImage.setAlignment(Image.MIDDLE); logoImage.setAbsolutePosition(logo.getLeft(),logo.getBottom()); cb.addImage(logoImage); return cb; } private AcroFields getAcroFields(PdfStamper ps, BaseFont font, ArrayList<BaseFont> fontList) { AcroFields s = ps.getAcroFields(); s.setSubstitutionFonts(fontList); s.setFieldProperty('jrfk','textfont', font,null); s.setFieldProperty('bjzs','textfont', font,null); s.setFieldProperty('type','textfont', font,null); s.setFieldProperty('createTime','textfont', font,null); s.setFieldProperty('title','textfont', font,null); s.setField('jrfk','10'); s.setField('bjzs','20'); s.setField('type','日报'); s.setField('createTime', DateUtil.now()); s.setField('title', TITLE); return s; } //为一个表格添加内容 public PdfPCell createSetCell(String value,Font font){ PdfPCell cell = new PdfPCell(); cell.setPhrase(new Phrase(value,font)); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(Element.ALIGN_CENTER); return cell; } //添加表格 public void createTable(PdfWriter writer,Document document) throws DocumentException, IOException { PdfPTable table = new PdfPTable(new float[] { 30, 80, 50, 50, 50}); table.setTotalWidth(520); table.setPaddingTop(500); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 table.writeSelectedRows(0, -1,500,800,writer.getDirectContentUnder()); //每页都显示表头,输入几就是第几行的表头固定 table.setHeaderRows(2); table.setHeaderRows(3); //定义数据的字体 BaseFont baseFont = BaseFont.createFont('STSong-Light','UniGB-UCS2-H',BaseFont.NOT_EMBEDDED); Font textFont = new Font(baseFont, 10, Font.NORMAL); PdfPCell cell = new PdfPCell(new Paragraph(' ', textFont)); cell.setHorizontalAlignment( Element.ALIGN_LEFT); cell.setVerticalAlignment(Element.ALIGN_BOTTOM); cell.setBorder(Rectangle.NO_BORDER); cell.setColspan(5); table.addCell(cell); //表头信息 PdfPCell heandCell = new PdfPCell(); heandCell.setRowspan(1); heandCell.setColspan(5); heandCell.setFixedHeight(60); heandCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heandCell.setHorizontalAlignment(Element.ALIGN_CENTER); heandCell.setPhrase(new Phrase(TITLE + '对账情况表',textFont)); table.addCell(heandCell); //表字段 String title[] = {'序号','机构','已对账','未对账','对账率%'}; for (int i = 0; i < title.length; i++) { PdfPCell heardCell = new PdfPCell(); heardCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heardCell.setHorizontalAlignment(Element.ALIGN_CENTER); heardCell.setPhrase(new Phrase(title[i], textFont)); heardCell.setMinimumHeight(20); table.addCell(heardCell); } //列表数据 List<Reconciliation> reconciliation = new ArrayList<>(); for (int i = 1; i <= 1000; i++) { Reconciliation reconciliation = new Reconciliation(); reconciliation.setJg('机构' + i).setYdz(i).setWdz(i).setDzl(new BigDecimal(i)); reconciliation.add(reconciliation); } for (int i = 0; i < reconciliation.size(); i++) { PdfPCell setCell1 = createSetCell((i + 1) + '', textFont); PdfPCell setCell2 = createSetCell(reconciliation.get(i).getJg(), textFont); PdfPCell setCell3 = createSetCell(reconciliation.get(i).getYdz().toString(), textFont); PdfPCell setCell4 = createSetCell(reconciliation.get(i).getWdz().toString(), textFont); PdfPCell setCell5 = createSetCell(reconciliation.get(i).getDzl() + '%', textFont); table.addCell(setCell1); table.addCell(setCell2); table.addCell(setCell3); table.addCell(setCell4); table.addCell(setCell5); } document.add(table); } public void createTableYq(PdfWriter writer,Document document) throws DocumentException, IOException { PdfPTable table = new PdfPTable(new float[] {80, 50}); table.setTotalWidth(520); table.setPaddingTop(500); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 table.writeSelectedRows(0, -1,500,800,writer.getDirectContentUnder()); //每页都显示表头,输入几就是第几行的表头固定 table.setHeaderRows(2); table.setHeaderRows(3); //定义数据的字体 BaseFont baseFont = BaseFont.createFont('STSong-Light','UniGB-UCS2-H',BaseFont.NOT_EMBEDDED); Font textFont = new Font(baseFont, 10, Font.NORMAL); //这个是为了区分两个表格加的一个间隔，可以去掉 PdfPCell cell = new PdfPCell(new Paragraph(' ', textFont)); cell.setHorizontalAlignment( Element.ALIGN_LEFT); cell.setVerticalAlignment(Element.ALIGN_BOTTOM); cell.setBorder(Rectangle.NO_BORDER); cell.setColspan(2); table.addCell(cell); //表头信息 PdfPCell heandCell = new PdfPCell(); heandCell.setRowspan(1); heandCell.setColspan(2); heandCell.setFixedHeight(60); heandCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heandCell.setHorizontalAlignment(Element.ALIGN_CENTER); heandCell.setPhrase(new Phrase(TITLE + '逾期表',textFont)); table.addCell(heandCell); //表字段 String title[] = {'机构名称','逾期数'}; for (int i = 0; i < title.length; i++) { PdfPCell heardCell = new PdfPCell(); heardCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heardCell.setHorizontalAlignment(Element.ALIGN_CENTER); heardCell.setPhrase(new Phrase(title[i], textFont)); heardCell.setMinimumHeight(20); table.addCell(heardCell); } //列表数据 List<YqTable> yqTables = new ArrayList<>(); for (int i = 1; i <= 1000; i++) { BeOverdueTable yq = new BeOverdueTable(); yq.setJg('逾期机构' + i).setYqs(i); yqTables.add(yq); } for (int i = 0; i < yqTables.size(); i++) { PdfPCell setCell2 = createSetCell(yqTables.get(i).getJg(), textFont); PdfPCell setCell3 = createSetCell(yqTables.get(i).getYqs().toString(), textFont); table.addCell(setCell2); table.addCell(setCell3); } document.add(table); }}注意：Document.document.newPage(); 每次都新打开一页，这样可以避免内容重叠。
package com.test.merservice.controller.miniapp;import com.itextpdf.text.*;import com.itextpdf.text.pdf.*;import java.io.IOException;/** * 页眉、页脚、水印 */public class PdfPageEvent extends PdfPageEventHelper { /** * 页眉 */ //public String header = '测试页眉'; /** * 文档字体大小，页脚页眉最好和文本大小一致 */ public int presentFontSize = 10; /** * 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; /** * 无参构造方法. */ public PdfPageEvent() { } /** * 构造方法. * @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 PDFBuilder(String yeMei, int presentFontSize, Rectangle pageSize) {// this.header = yeMei;// this.presentFontSize = presentFontSize;// this.pageSize = pageSize;// } public PdfPageEvent(int presentFontSize, Rectangle pageSize) { 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) { this.addPage(writer, document); //加水印 this.addWatermark(writer); } //加分页 public void addPage(PdfWriter writer, Document document){ //设置分页页眉页脚字体 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);// 页眉添加图片// String path = ResourceUtils.getFile('classpath:').getPath();// Image img = Image.getInstance(path + '/pdfTemplates/logo.jpg');// img.setAlignment(Image.MIDDLE);// img.setWidthPercentage(80);// img.scaleToFit(50,40);// img.setAbsolutePosition(document.left(),document.top());// writer.getDirectContent().addImage(img); //页眉加下划线// PdfPTable tableHeader = new PdfPTable(1);// tableHeader.setTotalWidth(PageSize.A4.getWidth() - 60);// PdfPCell pCell = new PdfPCell();// pCell.setBorderWidthBottom(0.3f);// tableHeader.addCell(pCell);// tableHeader.writeSelectedRows(0, -1, 30, 805, writer.getDirectContent()); // 2.写入前半部分的 第 X页/共 int pageS = writer.getPageNumber(); String foot1 = '第 ' + pageS + ' 页 /共';// String foot1 = pageS +'/'; 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 , 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 , document.bottom() - 20); // 调节模版显示的位置 } //加水印 public void addWatermark(PdfWriter writer) { // 水印图片// Image image;// try {// image = Image.getInstance('./web/images/001.jpg');// PdfContentByte content = writer.getDirectContentUnder();// content.beginText();// // 开始写入水印// for(int k=0;k<5;k++){// for (int j = 0; j <4; j++) {// image.setAbsolutePosition(150*j,170*k);// content.addImage(image);// }// }// content.endText();// } catch (IOException | DocumentException e) {// // TODO Auto-generated catch block// e.printStackTrace();// } BaseFont font = null; try { font = BaseFont.createFont('STSong-Light','UniGB-UCS2-H', BaseFont.NOT_EMBEDDED); } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } PdfGState gs = new PdfGState(); //添加透明度 gs.setFillOpacity(0.4f); PdfContentByte content = writer.getDirectContentUnder(); content.beginText(); //水印颜色 content.setColorFill(BaseColor.DARK_GRAY); content.setGState(gs); //水印字体样式和大小 content.setFontAndSize(font, 35); //插入水印 循环每页插入的条数 for (int j = 0; j < 3; j++) { content.showTextAligned(Element.ALIGN_CENTER, '锦鲤飞上天测试水印', 300, 200 * (j + 1), 30); } content.endText(); } /** * * 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()) + ' 页'; //页脚内容拼接 如 第1页/共2页// String foot2 = String.valueOf(writer.getPageNumber()); //页脚内容拼接 如 1/2 total.showText(foot2);// 模版显示的内容 total.endText(); total.closePath(); }}package com.sllt.merservice.controller.miniapp;import cn.hutool.core.date.DateUtil;import com.example.demo.domain.DuizhangDomain;import com.example.demo.domain.YqTable;import com.example.demo.pdf.phantom.PageEvent;import com.itextpdf.text.*;import com.itextpdf.text.pdf.*;import freemarker.template.TemplateException;import org.springframework.core.io.ClassPathResource;import javax.servlet.http.HttpServletResponse;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.math.BigDecimal;import java.util.ArrayList;import java.util.List;/** * 模板第一页不占满，生成表格 */public class CreatePdfEchrtsAndTableTwo { public void createPdfFile(HttpServletResponse response) throws IOException, DocumentException, TemplateException { //设置请求返回类型 response.setHeader('Content-Disposition', 'attachment; filename=测试.pdf'); OutputStream outputStream = response.getOutputStream(); //模板路径，放到项目里用这个ClassPathResource ClassPathResource classPathResource = new ClassPathResource('templates/test3.pdf'); InputStream inputStream = classPathResource.getInputStream(); PdfReader reader = new PdfReader(inputStream); ByteArrayOutputStream bos = new ByteArrayOutputStream(); PdfStamper ps = new PdfStamper(reader, bos); //设置字体 final BaseFont font = BaseFont.createFont('STSong-Light', 'UniGB-UCS2-H', BaseFont.NOT_EMBEDDED); ArrayList<BaseFont> fontList = new ArrayList<>(); fontList.add(font); //提取表单 AcroFields s = ps.getAcroFields(); s.setSubstitutionFonts(fontList); s.setFieldProperty('type', 'textfont', font, null); s.setFieldProperty('createTime', 'textfont', font, null); s.setFieldProperty('title', 'textfont', font, null); s.setField('type', '日报'); s.setField('createTime', DateUtil.now()); s.setField('title', '这是title，模板画的位置框'); ps.setFormFlattening(true); ps.close(); //*******************填充编辑好后的pdf************** reader = new PdfReader(bos.toByteArray()); Rectangle pageSize = reader.getPageSize(1); Document document = new Document(pageSize); PdfWriter writer = PdfWriter.getInstance(document, outputStream); writer.setPageEvent(new PageEvent()); // 打开文档 document.open(); PdfContentByte cbUnder = writer.getDirectContentUnder(); PdfImportedPage pageTemplate = writer.getImportedPage(reader, 1); cbUnder.addTemplate(pageTemplate, 0, 0); //添加间隙,这里为进行了一个封装，因为这个模板第一页只有一些title啥的， //重开一页太浪费，只需要确定表格要在什么位置生成，添加一个间隙就可以了 createBlankTable(writer, document, font, 180); createTable(writer, document); createBlankTable(writer, document, font, 20); createTableYq(writer, document); document.close(); outputStream.close(); } //为一个表格添加内容 public PdfPCell createSetCell(String value, Font font) { PdfPCell cell = new PdfPCell(); cell.setPhrase(new Phrase(value, font)); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(Element.ALIGN_CENTER); return cell; } //添加表格 public void createTable(PdfWriter writer, Document document) throws DocumentException, IOException { PdfPTable table = new PdfPTable(new float[]{30, 80, 50, 50, 50}); table.setTotalWidth(520); table.setPaddingTop(500); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 table.writeSelectedRows(0, -1, 500, 800, writer.getDirectContentUnder()); //每页都显示表头,输入几就是第几行的表头固定 table.setHeaderRows(1); table.setHeaderRows(2); //定义数据的字体 BaseFont baseFont = BaseFont.createFont('STSong-Light', 'UniGB-UCS2-H', BaseFont.NOT_EMBEDDED); Font textFont = new Font(baseFont, 10, Font.NORMAL); //表头信息 PdfPCell heandCell = new PdfPCell(); heandCell.setRowspan(1); heandCell.setColspan(5); heandCell.setFixedHeight(30); heandCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heandCell.setHorizontalAlignment(Element.ALIGN_CENTER); heandCell.setPhrase(new Phrase('对账情况表', textFont)); table.addCell(heandCell); //表字段 String title[] = {'序号', '机构', '已对账', '未对账', '对账率%'}; for (int i = 0; i < title.length; i++) { PdfPCell heardCell = new PdfPCell(); heardCell.setRowspan(1); heardCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heardCell.setHorizontalAlignment(Element.ALIGN_CENTER); heardCell.setPhrase(new Phrase(title[i], textFont)); heardCell.setMinimumHeight(20); table.addCell(heardCell); } //列表数据 List<Reconciliation> duizhangDomains = new ArrayList<>(); for (int i = 1; i <= 1000; i++) { Reconciliation reconciliation = new Reconciliation(); reconciliation.setJg('机构' + i).setYdz(i).setWdz(i).setDzl(new BigDecimal(i)); duizhangDomains.add(reconciliation); } for (int i = 0; i < duizhangDomains.size(); i++) { PdfPCell setCell1 = createSetCell((i + 1) + '', textFont); PdfPCell setCell2 = createSetCell(duizhangDomains.get(i).getJg(), textFont); PdfPCell setCell3 = createSetCell(duizhangDomains.get(i).getYdz().toString(), textFont); PdfPCell setCell4 = createSetCell(duizhangDomains.get(i).getWdz().toString(), textFont); PdfPCell setCell5 = createSetCell(duizhangDomains.get(i).getDzl() + '%', textFont); table.addCell(setCell1); table.addCell(setCell2); table.addCell(setCell3); table.addCell(setCell4); table.addCell(setCell5); } document.add(table); } public void createTableYq(PdfWriter writer, Document document) throws DocumentException, IOException { PdfPTable table = new PdfPTable(new float[]{80, 50}); table.setTotalWidth(520); table.setPaddingTop(500); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 table.writeSelectedRows(0, -1, 500, 800, writer.getDirectContentUnder()); //每页都显示表头,输入几就是第几行的表头固定 table.setHeaderRows(2); table.setHeaderRows(3); //定义数据的字体 BaseFont baseFont = BaseFont.createFont('STSong-Light', 'UniGB-UCS2-H', BaseFont.NOT_EMBEDDED); Font textFont = new Font(baseFont, 10, Font.NORMAL); //表头信息 PdfPCell heandCell = new PdfPCell(); heandCell.setRowspan(1); heandCell.setColspan(2); heandCell.setFixedHeight(30); heandCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heandCell.setHorizontalAlignment(Element.ALIGN_CENTER); heandCell.setPhrase(new Phrase('逾期表', textFont)); table.addCell(heandCell); //表字段 String title[] = {'机构名称', '逾期数'}; for (int i = 0; i < title.length; i++) { PdfPCell heardCell = new PdfPCell(); heardCell.setVerticalAlignment(Element.ALIGN_MIDDLE); heardCell.setHorizontalAlignment(Element.ALIGN_CENTER); heardCell.setPhrase(new Phrase(title[i], textFont)); heardCell.setMinimumHeight(20); table.addCell(heardCell); } //列表数据 List<BeOverdueTable> yqTables = new ArrayList<>(); for (int i = 1; i <= 1000; i++) { BeOverdueTable yq = new BeOverdueTable(); yq.setJg('逾期机构' + i).setYqs(i); yqTables.add(yq); } for (int i = 0; i < yqTables.size(); i++) { PdfPCell setCell2 = createSetCell(yqTables.get(i).getJg(), textFont); PdfPCell setCell3 = createSetCell(yqTables.get(i).getYqs().toString(), textFont); table.addCell(setCell2); table.addCell(setCell3); } document.add(table); } /** * 创建表格跟表格之间的空白间隔 */ public void createBlankTable(PdfWriter writer, Document document, BaseFont font, int height) throws DocumentException { PdfPTable table = new PdfPTable(new float[]{30}); table.setTotalWidth(520); table.setPaddingTop(500); table.setLockedWidth(true); table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 table.writeSelectedRows(0, -1, 500, 800, writer.getDirectContentUnder()); Font textFont = new Font(font, 10, Font.NORMAL); PdfPCell cell = new PdfPCell(new Paragraph(' ', textFont)); cell.setHorizontalAlignment(Element.ALIGN_LEFT); cell.setVerticalAlignment(Element.ALIGN_BOTTOM); cell.setBorder(Rectangle.NO_BORDER); cell.setFixedHeight(height); cell.setColspan(1); table.addCell(cell); document.add(table); }}联系客服
