iText实现Java生成PDF文件
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pom.xml文件
<dependency> <groupId>com.itextpdf</groupId> <artifactId>itext-asian</artifactId> <version>5.2.0</version> </dependency> <dependency> <groupId>com.itextpdf.tool</groupId> <artifactId>xmlworker</artifactId> <version>5.5.11</version> </dependency> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> </dependency>
PDFUtil.java
package cn.zj.pdf; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.net.MalformedURLException; import java.util.ArrayList; import java.util.List; import org.junit.Test; import com.itextpdf.text.BadElementException; import com.itextpdf.text.BaseColor; import com.itextpdf.text.Chunk; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; 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.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; import com.itextpdf.text.pdf.draw.LineSeparator; public class PdfUtil1 { private static String FILE_DIR = "F:\java\"; private static List<List<String>> dataDocumentModificationRecord() { List<List<String>> dataList = new ArrayList<List<String>>(); List<String> data = new ArrayList<String>(); data.add("2020-12-17"); data.add("7.0.0"); data.add("新增文档"); data.add("XXX"); dataList.add(data); return dataList; } /** * 下载PDF */ public static void downPdf(String down2localFileName) { //Step 1—Create a Document. //1.新建document对象 Document document = createDocument(); try { //Step 2—Get a PdfWriter instance. //2.建立一个书写器(Writer)与document对象关联 //PdfWriter.getInstance(document, new FileOutputStream(down2localFileName)); PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(down2localFileName)); writer.setPageEvent(new MyHeaderFooter1());// 页眉/页脚 } catch (FileNotFoundException e) { e.printStackTrace(); } catch (DocumentException e) { e.printStackTrace(); } //Step 3—Open the Document. //3.打开文档 document.open(); setDocumentAttr(document);//设置文档属性,可以不添加 //Step 4—Add content. //4.向文档中添加内容 try { //document.add(); documentAddContent(document); } catch (DocumentException e) { e.printStackTrace(); } //Step 5—Close the Document. //5.关闭文档 document.close(); } /** * pdf内容添加 * @param document * @throws DocumentException */ public static void documentAddContent(Document document) throws DocumentException { //封面 addCover(document); //公共报文 addPublicDocument(document); //选择的报文 addSelectedDocument(document); String content= "一叶落便知秋意浓,即使江南的绿色褪色之期晚了几许,南飞的大雁也会在天空一会儿排成一字,一会儿排成人字,秋天真的来了,中秋真的来了,国庆真的来了。"; //Chunk:块(Chunk)是能被添加到文档的文本的最小单位。 //Phrase:短句(Phrase)是一系列以特定间距(两行之间的距离)作为参数的块。 //Paragraph:段落是一系列块和(或)短句。同短句一样,段落有确定的间距。 //用户还可以指定缩排;在边和(或)右边保留一定空白,段落可以左对齐、右对齐和居中对齐。添加到文档中的每一个段落将自动另起一行。 Paragraph paragraph = new Paragraph(content, chineseFont(24,0)); document.add(paragraph); } /** * 添加封面 * @param document * @throws DocumentException */ public static void addCover(Document document) throws DocumentException { //添加logo addLogo(document); //添加titleCover addTitleCover(document); //添加横条线 addLineCover(document); addEnter(document, 3); //添加副标题 addSubHead(document); addEnter(document, 20); //出版社 addPublishHouse(document); document.newPage();//跳转下一页 addEnter(document, 7); //文档管理信息 addDocumentManagementInfo(document); addEnter(document, 1); //文档修改记录 addDocumentModificationRecord(document); } /** * 公共报文 * @param document * @throws DocumentException */ private static void addPublicDocument(Document document) throws DocumentException { document.newPage(); //前言 addIntroductionDocument(document); } /** * 选择的报文 * @param document */ private static void addSelectedDocument(Document document) { } /** * 添加Logo * @param document * @throws DocumentException */ public static void addLogo(Document document) throws DocumentException { String resourcePath = getResourcePath(); String logoPath = resourcePath + "static/img/timg.JPG"; Image logo = setImageBorder(logoPath); Paragraph paragraph =new Paragraph(); paragraph.add(logo); document.add(logo); } /** * 添加封面标题 * @param document * @throws DocumentException */ public static void addTitleCover(Document document) throws DocumentException { String titleCoverContent = "现金管理银企互联综合服务系统"; Paragraph paragraph=new Paragraph(titleCoverContent,chineseFont(24, Font.BOLD));//设置字体样式 paragraph.setAlignment(Element.ALIGN_RIGHT);//设置文字靠右 paragraph.setSpacingBefore(5f); //设置段落上空白 paragraph.setSpacingAfter(10f); //设置段落下空白 document.add(paragraph); } /** * 添加横线 * @param document * @throws DocumentException */ public static void addLineCover(Document document) throws DocumentException { //参数 //1.线宽度 //2.直线长度,是个百分百,0-100之间 //3.直线颜色 //4.直线位置 //5.上下移动位置 LineSeparator line = new LineSeparator(28f,100,BaseColor.RED,Element.ALIGN_CENTER,-15f); Paragraph paragraph =new Paragraph(); paragraph.add(new Chunk(line)); document.add(line); } /** * 副标题 * @param document * @throws DocumentException */ private static void addSubHead(Document document) throws DocumentException { String subHead = "ERP接口开发手册"; Chunk sigUnderline = new Chunk(subHead);//块 sigUnderline.setUnderline(3f, -2f);//厚度,相对y方向位置 sigUnderline.setFont(chineseFont(24, Font.BOLD|Font.UNDERLINE)); Paragraph paragraph=new Paragraph(); paragraph.setAlignment(Element.ALIGN_RIGHT);//设置文字靠右 paragraph.setSpacingBefore(5f); //设置段落上空白 paragraph.setSpacingAfter(10f); //设置段落下空白 paragraph.add(sigUnderline); document.add(paragraph); } /** * 出版社 * @param document * @throws DocumentException */ private static void addPublishHouse(Document document) throws DocumentException { String content1 = "中国XX出版社"; String content2 = "软件开发中心"; Phrase phrase1 = new Phrase();//短句 phrase1.setFont(chineseFont(16, Font.BOLD)); phrase1.add(content1); Phrase phrase2 = new Phrase(); phrase2.setFont(chineseFont(12, Font.NORMAL)); phrase2.add(content2); Paragraph paragraph=new Paragraph(); paragraph.setAlignment(Element.ALIGN_CENTER); paragraph.add(phrase1); paragraph.add(phrase2); document.add(paragraph); } /** * 文档管理信息 * @param document * @throws DocumentException */ private static void addDocumentManagementInfo(Document document) throws DocumentException { String content = "文档管理信息"; Chunk chunk=new Chunk(content); chunk.setFont(chineseFont(wordSize2Pound("五号"), Font.NORMAL)); //A4纸尺寸为592.52*839.16磅 float contentSize = wordSize2Pound("五号"); float left = (592.52f/2f) - 36f - content.length()/2f * contentSize; float right = (592.52f/2f) - 36f - content.length()/2f * contentSize; chunk.setBackground(BaseColor.RED, left, 10f, right, 0f);//左下右上 Paragraph paragraph=new Paragraph(); paragraph.add(chunk); paragraph.setAlignment(Element.ALIGN_CENTER); document.add(paragraph); //编号 String c1 = "编号"; Paragraph p1=new Paragraph(c1, chineseFont(12, Font.NORMAL)); p1.setSpacingBefore(5f); //设置段落上空白 p1.setSpacingAfter(10f); //设置段落下空白 document.add(p1); //类别 接口文档 String c2 = "类别 接口文档"; Paragraph p2=new Paragraph(c2, chineseFont(12, Font.NORMAL)); p2.setSpacingBefore(5f); //设置段落上空白 p2.setSpacingAfter(10f); //设置段落下空白 document.add(p2); //密级 公开 String c3 = "密级 公开"; Paragraph p3=new Paragraph(c3, chineseFont(12, Font.NORMAL)); p3.setSpacingBefore(5f); //设置段落上空白 p3.setSpacingAfter(10f); //设置段落下空白 document.add(p3); } /** * 文档修改记录 * @param document * @throws DocumentException */ private static void addDocumentModificationRecord(Document document) throws DocumentException { String content = "文档修改记录"; Chunk chunk=new Chunk(content); chunk.setFont(chineseFont(wordSize2Pound("五号"), Font.NORMAL)); //A4纸尺寸为592.52*839.16磅 float contentSize = wordSize2Pound("五号"); float left = (592.52f/2f) - 36f - content.length()/2f * contentSize; float right = (592.52f/2f) - 36f - content.length()/2f * contentSize; chunk.setBackground(BaseColor.RED, left, 10f, right, 0f);//左下右上 Paragraph paragraph=new Paragraph(); paragraph.add(chunk); paragraph.setAlignment(Element.ALIGN_CENTER); document.add(paragraph); addEnter(document, 1); //记录表格 //PdfPTable table = createTable(4, Element.ALIGN_LEFT); PdfPTable table = createTable(new float[] {100f,60f,260f,100f}); //tr th Font font_th = chineseFont(14, Font.BOLD); BaseColor backgroundColor_th = BaseColor.GRAY; String th1 = "日期"; PdfPCell cell_th1 = createCell(th1, font_th); cell_th1.setBackgroundColor(backgroundColor_th); table.addCell(cell_th1); String th2 = "版本"; PdfPCell cell_th2 = createCell(th2, font_th); cell_th2.setBackgroundColor(backgroundColor_th); table.addCell(cell_th2); String th3 = "描述信息"; PdfPCell cell_th3 = createCell(th3, font_th); cell_th3.setBackgroundColor(backgroundColor_th); table.addCell(cell_th3); String th4 = "作者"; PdfPCell cell_th4 = createCell(th4, font_th); cell_th4.setBackgroundColor(backgroundColor_th); table.addCell(cell_th4); //tr td Font font_td = chineseFont(14, Font.NORMAL); BaseColor backgroundColor_td = BaseColor.WHITE; List<List<String>> dataList = dataDocumentModificationRecord(); for (int i = 0; i < 6; i++) { String td1 = " "; String td2 = " "; String td3 = " "; String td4 = " "; if(null != dataList && dataList.size() > i) { List<String> data = dataList.get(i); td1 = data.get(0); td2 = data.get(1); td3 = data.get(2); td4 = data.get(3); } //每行数据 PdfPCell cell_td1 = createCell(td1, font_td); cell_td1.setBackgroundColor(backgroundColor_td); table.addCell(cell_td1); PdfPCell cell_td2 = createCell(td2, font_td); cell_td2.setBackgroundColor(backgroundColor_td); table.addCell(cell_td2); PdfPCell cell_td3 = createCell(td3, font_td); cell_td3.setBackgroundColor(backgroundColor_td); table.addCell(cell_td3); PdfPCell cell_td4 = createCell(td4, font_td); cell_td4.setBackgroundColor(backgroundColor_td); table.addCell(cell_td4); } table.setSplitLate(false); table.setSplitRows(false);//这个是设置表格的行是否跨页显示,默认true 跨页显示 document.add(table); } /** * 前言 * @param document * @throws DocumentException */ private static void addIntroductionDocument(Document document) throws DocumentException { //一级标题 addIntroductionDocument_title1(document); //一级标题下内容 addIntroductionDocument_title1_nextLevel(document); // TODO 添加跨行表格 addTable(document); } /** * 前言一级标题 * @param document * @throws DocumentException */ private static void addIntroductionDocument_title1(Document document) throws DocumentException { //前言开始磅数 //1 前言 String content_title1 = "1 前言"; Paragraph title1 = new Paragraph(content_title1, chineseFont(26, Font.BOLD)); document.add(title1); String content_content1 = ""; if(null != content_content1 && !"".equals(content_content1)) { Paragraph content1 = new Paragraph(content_title1, chineseFont(26, Font.BOLD)); document.add(content1); } } /** * 一级标题下内容 * @param document * @throws DocumentException */ private static void addIntroductionDocument_title1_nextLevel(Document document) throws DocumentException { for (int i = 0; i < 9; i++) { //1.1 编写目的 String title_1_1 = "1." + (i+1) + " 编写目的"; Paragraph p_title_1_1 = new Paragraph(title_1_1, chineseFont(22, Font.BOLD)); document.add(p_title_1_1); //1.1内容 String content_1_1= "一叶落便知秋意浓,即使江南的绿色褪色之期晚了几许,南飞的大雁也会在天空一会儿排成一字,一会儿排成人字,秋天真的来了,中秋真的来了,国庆真的来了。"; Paragraph p_content_1_1 = new Paragraph(content_1_1, chineseFont(12, Font.NORMAL)); p_content_1_1.setFirstLineIndent(24);//首行缩进 document.add(p_content_1_1); } } /** * 添加跨行表格 * @param document * @throws DocumentException */ private static void addTable(Document document) throws DocumentException { PdfPTable table = createTable(new float[] {100f, 100f, 100f, 100f}); Font font_th = chineseFont(14, Font.BOLD); BaseColor backgroundColor_th = BaseColor.GRAY; String th1 = "日期"; PdfPCell cell_th1 = createCell(th1, font_th); cell_th1.setBackgroundColor(backgroundColor_th); table.addCell(cell_th1); String th2 = "版本"; PdfPCell cell_th2 = createCell(th2, font_th); cell_th2.setBackgroundColor(backgroundColor_th); table.addCell(cell_th2); String th3 = "描述信息"; PdfPCell cell_th3 = createCell(th3, font_th); cell_th3.setBackgroundColor(backgroundColor_th); table.addCell(cell_th3); String th4 = "作者"; PdfPCell cell_th4 = createCell(th4, font_th); cell_th4.setBackgroundColor(backgroundColor_th); table.addCell(cell_th4); Font font_td = chineseFont(14, Font.NORMAL); for (int i = 0; i < 2; i++) { String td1 = "td1数据显示"; PdfPCell cell_td1 = createCell(td1, font_td); table.addCell(cell_td1); String td2 = "td2数据显示"; PdfPCell cell_td2 = createCell(td2, font_td); table.addCell(cell_td2); String td3 = "td3数据显示"; PdfPCell cell_td3 = createCell(td3, font_td); table.addCell(cell_td3); String td4 = "td4数据显示"; PdfPCell cell_td4 = createCell(td4, font_td); table.addCell(cell_td4); } String td5 = "td5数据显示"; PdfPCell cell_td5 = createCell(td5, font_td); cell_td5.setRowspan(25);//合并行 cell_td5.setColspan(2); table.addCell(cell_td5); // String td6 = "td6数据显示"; // PdfPCell cell_td6 = createCell(td6, font_td); // table.addCell(cell_td6); String td7 = "td7数据显示td7数据显示td7数据显示td7数据显示"; PdfPCell cell_td7 = createCell(td7, font_td); table.addCell(cell_td7); String td8 = "td8数据显示"; PdfPCell cell_td8 = createCell(td8, font_td); table.addCell(cell_td8); for (int i = 0; i < 24; i++) { // PdfPCell cell_td6_1 = createCell(td6, font_td); // table.addCell(cell_td6_1); PdfPCell cell_td7_1 = createCell(td7, font_td); table.addCell(cell_td7_1); PdfPCell cell_td8_1 = createCell(td8, font_td); table.addCell(cell_td8_1); } /* * 如果出现某些行中的文本非常大, 那么iText将按照“行优先”的方式对表格进行分页处理, 所谓“行优先”是说:当遇到无法在当前页显示完整的一行时, * 该行将被放到下一页进行显示,而只有当一整业都无法显示完此行时, iText才会将此行拆开显示在两页中。如果不想使用“行优先”的方式, * 而是想采用“页优先”方式(保证填满当前页面的前提下,决定是否需要分拆行)显示, 可使用方法setSplitLate(false) */ //若为true时,当前页显示完整的一行时该行将被放到下一页进行显示,若此时跨行过大超出一页范围则报java.lang.NullPointerException table.setSplitLate(false); table.setSplitRows(true);//跨页显示 document.add(table); } /** * 获取项目资源路径 resource/ * @return */ public static String getResourcePath() { String resourcePath = PdfUtil1.class.getClass().getResource("/").getPath(); return resourcePath; } /** * 设置文档属性 * @param document */ public static void setDocumentAttr(Document document) { // document.addTitle("Title@PDF-Java");// 标题 // document.addAuthor("Author@zj");// 作者 // document.addSubject("Subject@iText pdf sample");// 主题 // document.addKeywords("Keywords@iTextpdf");// 关键字 // document.addCreator("Creator@zj");// 创建者 } /** * 自定义页面参数 * @return */ public static Document createDocument() { //页面大小 每边36磅页边距 Rectangle rect = new Rectangle(PageSize.A4); //页面背景色 rect.setBackgroundColor(BaseColor.WHITE); // 设置边框颜色 rect.setBorderColor(BaseColor.RED); rect.setBorder(Rectangle.BOX);//设置边框 rect.setBorderWidth(10);//边框宽度 //Document document =new Document(); // 默认页面大小是A4 //Document document =new Document(PageSize.A4); // 指定页面大小为A4 //Document document =new Document(PageSize.A4,50,50,30,20); // 指定页面大小为A4,且自定义页边距(marginLeft、marginRight、marginTop、marginBottom) //其中页面大小PageSize也可自定义大小,例: Document document = new Document(rect); return document; } /** * 添加换行 * @param document * @param num 几次换行,默认不换行 * @throws DocumentException */ public static void addEnter(Document document, int num) throws DocumentException { if(0 == num) { return; } for (int i = 0; i < num; i++) { String content = " "; Paragraph paragraph = new Paragraph(content); document.add(paragraph); } } /** * 字体设置 * 中文乱码 * @param size 字体大小 * @param style 字体样式,多个样式用"|"分隔 * @return */ public static Font chineseFont(float size, int style) { if(0 == size) { //默认字体 size = Font.DEFAULTSIZE; } if(0 == style) { //默认无样式 style = Font.NORMAL; } BaseFont bfChinese = null; try { //STSongStd-Light 是字体,在jar 中以property为后缀 //UniGB-UCS2-H 是编码,在jar 中以cmap为后缀 //H 代表文字版式是横版,相应的 V 代表竖版 bfChinese=BaseFont.createFont("STSongStd-Light","UniGB-UCS2-H",BaseFont.NOT_EMBEDDED); //bfChinese=BaseFont.createFont("C:/Windows/Fonts/msyh.ttf",BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED); } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }//jar包 //参数一:新建好的字体;参数二:字体大小,参数三:字体样式,多个样式用"|"分隔 Font fontChinese = new Font(bfChinese, size, style); return fontChinese; } /** * 中文字号和磅的换算 * @param wordSize * @return */ public static float wordSize2Pound(String wordSize) { if(null == wordSize || "".equals(wordSize.trim())) { return 0f; } float pound = 0f; String[] wordSizes = { "初号", "小初", "一号", "小一", "二号", "小二", "三号", "小三", "四号", "小四", "五号", "小五", "六号", "小六", "七号", "八号"}; float[] pounds = { 42f,36f, 26f, 24f, 22f, 18f, 16f, 15f, 14f, 12f, 10.5f, 9f, 7.5f, 6.5f, 5.5f, 5f}; for (int i = 0; i < wordSizes.length; i++) { if(wordSizes[i].equals(wordSize.trim())) { pound = pounds[i]; } } return pound; } /** * 设置图片 * @param imgPath * @return */ public static Image setImage(String imgPath) { Image image = null; try { image = Image.getInstance(imgPath); } catch (BadElementException e) { e.printStackTrace(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } image.setAlignment(Image.LEFT); image.scalePercent(40);//依照比例缩放 return image; } /** * * @param imgPath * @param borderWidth * @param borderColor * @param rotationDegrees * @return */ // public static Image setBorderImage(String imgPath, int borderWidth, BaseColor borderColor, float rotationDegrees) { public static Image setImageBorder(String imgPath) { Image image = setImage(imgPath); //设置图片边框 //UNDEFINED = -1 //TOP = 1 //BOTTOM = 2 //LEFT = 4 //RIGHT = 8 //NO_BORDER = 0 //BOX = TOP + BOTTOM + LEFT + RIGHT image.setBorder(Image.BOX); image.setBorderWidth(10);//向内加宽 image.setBorderColor(BaseColor.RED);//边框背景颜色 image.setRotationDegrees(0);//旋转 正值为逆时针 return image; } // public static void set(Paragraph paragraph) { // paragraph.setAlignment(1);//设置文字居中 0靠左 1,居中 2,靠右 // paragraph.setIndentationLeft(12);// 左缩进 // paragraph.setIndentationRight(12);// 右缩进 // paragraph.setFirstLineIndent(24);// 首行缩进 // paragraph.setLeading(20f); //行间距 // paragraph.setSpacingBefore(5f); //设置段落上空白 // paragraph.setSpacingAfter(10f); //设置段落下空白 // } /** * 创建表格 * @param numColumns * @param horizontalAlignment * @return */ public static PdfPTable createTable(int numColumns, int horizontalAlignment) { PdfPTable table = new PdfPTable(numColumns); table.setTotalWidth(592.52f); table.setLockedWidth(true); table.setHorizontalAlignment(horizontalAlignment);//水平对齐 table.getDefaultCell().setBorder(Rectangle.BOX); // table.setSpacingBefore(20);//设置段落上空白 // table.setSpacingAfter(20);//设置段落上下空白 // table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 // table.setWidths(cellswidth);//设置表格的宽 // table.setTotalWidth(1000f);//设置表格的总宽度 // table.setWidthPercentage(100);//设置表格宽度的百分比 return table; } /** * 创建表格 * @param widths * @param horizontalAlignment * @return */ public static PdfPTable createTable(float[] widths) { PdfPTable table = new PdfPTable(widths); try { table.setTotalWidth(widths); table.setLockedWidth(true); //table.setHorizontalAlignment(horizontalAlignment);//水平对齐 table.getDefaultCell().setBorder(Rectangle.BOX); // table.setSpacingBefore(20);//设置段落上空白 // table.setSpacingAfter(20);//设置段落上下空白 // table.setHorizontalAlignment(Element.ALIGN_CENTER);//居中 // table.setWidths(cellswidth);//设置表格的宽 // table.setTotalWidth(1000f);//设置表格的总宽度 // table.setWidthPercentage(100);//设置表格宽度的百分比 } catch (DocumentException e) { e.printStackTrace(); } return table; } /** * 创建单元格(指定字体) * 默认水平左对齐,垂直居中 * @param content 单元格内容 * @param font 字体 * @return */ public static PdfPCell createCell(String content, Font font) { PdfPCell cell = new PdfPCell(); // ALIGN_LEFT = 0; // ALIGN_CENTER = 1; // ALIGN_RIGHT = 2; cell.setHorizontalAlignment(Element.ALIGN_LEFT);//水平对齐方式 // ALIGN_TOP = 4 // ALIGN_MIDDLE = 5 // ALIGN_BOTTOM = 6 // ALIGN_BASELINE = 7 cell.setVerticalAlignment(Element.ALIGN_MIDDLE);//垂直对齐方式 Phrase phrase = new Phrase(content, font); cell.setPhrase(phrase);//填充数据 return cell; } /** * 创建单元格(指定字体、水平对齐方式) * 垂直居中 * @param content 单元格内容 * @param font 字体 * @param horizontalAlignment 水平对齐方式 * @return */ public static PdfPCell createCell(String content, Font font, int horizontalAlignment) { PdfPCell cell = new PdfPCell(); // ALIGN_LEFT = 0; // ALIGN_CENTER = 1; // ALIGN_RIGHT = 2; cell.setHorizontalAlignment(horizontalAlignment);//水平对齐方式 // ALIGN_TOP = 4 // ALIGN_MIDDLE = 5 // ALIGN_BOTTOM = 6 // ALIGN_BASELINE = 7 cell.setVerticalAlignment(Element.ALIGN_MIDDLE);//垂直对齐方式 Phrase phrase = new Phrase(content, font); cell.setPhrase(phrase);//填充数据 return cell; } /** * 创建单元格(指定字体、水平对齐方式、垂直对齐方式) * @param content 单元格内容 * @param font 字体 * @param horizontalAlignment 水平对齐方式 * @param verticalAlignment 垂直对齐方式 * @return */ public static PdfPCell createCell(String content, Font font, int horizontalAlignment, int verticalAlignment) { PdfPCell cell = new PdfPCell(); // ALIGN_LEFT = 0; // ALIGN_CENTER = 1; // ALIGN_RIGHT = 2; cell.setHorizontalAlignment(horizontalAlignment);//水平对齐方式 // ALIGN_TOP = 4 // ALIGN_MIDDLE = 5 // ALIGN_BOTTOM = 6 // ALIGN_BASELINE = 7 cell.setVerticalAlignment(verticalAlignment);//垂直对齐方式 Phrase phrase = new Phrase(content, font); cell.setPhrase(phrase);//填充数据 return cell; } /** * 创建单元格(指定字体、水平对齐方式、单元格跨x列合并) * 默认垂直居中 * @param content * @param font * @param horizontalAlignment * @param colspan * @return */ public static PdfPCell createCellColspan(String content, Font font, int horizontalAlignment, int colspan) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(horizontalAlignment); cell.setColspan(colspan); cell.setPhrase(new Phrase(content, font)); return cell; } /** * 创建单元格(指定字体、水平对齐方式、单元格跨x列合并、设置单元格内边距) * 默认垂直居中 * @param value * @param font * @param align * @param colspan * @return */ public PdfPCell createCellBorder(String value, Font font, int horizontalAlignment, int colspan) { PdfPCell cell = new PdfPCell(); cell.setVerticalAlignment(Element.ALIGN_MIDDLE); cell.setHorizontalAlignment(horizontalAlignment); cell.setColspan(colspan); cell.setPhrase(new Phrase(value, font)); cell.setPadding(3.0f);//设置单元格内内容的填充(内容与边框之间的空格) cell.setBorder(0);//0表示无边框 cell.setPaddingTop(8.0f);//属性填充顶部 cell.setPaddingBottom(8.0f);//属性填充底部 return cell; } public static void main(String[] args) { downPdf(FILE_DIR + "createSamplePDF1.pdf"); System.out.println("操作成功"); } @Test public void method() { cm2pound(10);//单位毫米 } private void cm2pound(int cm) { float pound= 592.52f/297 * cm; System.out.println(pound); } }
MyHeaderFooter1.java
package cn.zj.pdf; 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.Image; import com.itextpdf.text.PageSize; import com.itextpdf.text.Paragraph; 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.PdfPTable; import com.itextpdf.text.pdf.PdfPageEventHelper; import com.itextpdf.text.pdf.PdfTemplate; import com.itextpdf.text.pdf.PdfWriter; public class MyHeaderFooter1 extends PdfPageEventHelper { private static Font chineseFont; private PdfTemplate totalPage; static { try { chineseFont = new Font(BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED), 12, Font.NORMAL); } catch (DocumentException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } /** * 打开文档时,创建一个总页数的模版 */ public void onOpenDocument(PdfWriter writer, Document document) { PdfContentByte pdfContentByte = writer.getDirectContent(); totalPage = pdfContentByte.createTemplate(30f, 16f); } public void onEndPage(PdfWriter writer, Document document) { PdfPTable table = new PdfPTable(3); int pageNumber = writer.getPageNumber(); if(pageNumber >= 3) {//前两页为封皮,不用加页眉页脚 try { table.setTotalWidth(PageSize.A4.getWidth() - 100); table.setWidths(new int[] { 24, 24, 3}); table.setLockedWidth(true); table.getDefaultCell().setFixedHeight(-10);//设置单元格的固定高度 table.getDefaultCell().setBorder(Rectangle.BOTTOM); table.addCell(new Paragraph("我是页眉/页脚", chineseFont));// 可以直接使用addCell(str),不过不能指定字体,中文无法显示 table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT); table.addCell(new Paragraph("第" + (writer.getPageNumber() - 2) + "页/", chineseFont)); // 总页数 PdfPCell cell = new PdfPCell(Image.getInstance(totalPage)); cell.setBorder(Rectangle.BOTTOM); table.addCell(cell); // 将页眉写到document中,位置可以指定,指定到下面就是页脚 // PageSize.A4.getHeight() = 842.0 // table.writeSelectedRows(0, -1, 50,PageSize.A4.getHeight() - 20, writer.getDirectContent()); // 如果使用PageSize.A4.getHeight()则writer.getPageNumber()应该减去2 ,写在当页的最上部 //如果使用PageSize.A4.getBottom()则writer.getPageNumber()应该减去3,写在当页的最下部 table.writeSelectedRows(0, -1, 50,PageSize.A4.getBottom() + 30, writer.getDirectContent()); } catch (DocumentException e) { e.printStackTrace(); } } } /** * 全部完成后,将总页数的pdf模版写到指定位置 */ public void onCloseDocument(PdfWriter writer,Document document) { //减去2 去掉封面的两页 String text = "总" + (writer.getPageNumber() - 2) + "页"; ColumnText.showTextAligned(totalPage, Element.ALIGN_LEFT, new Paragraph(text,chineseFont), 2, 2, 0); } }
其中 图片位置/project/src/main/resources/static/img/timg.JPG
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