Java 使用 itextpdf 自定义生成 pdf

maven 依赖
实现
docker 服务字体文件找不到问题

maven 依赖

<!-- iText 7 -->
<dependency><groupId>com.itextpdf</groupId><artifactId>itext7-core</artifactId><version>7.2.3</version><type>pom</type>
</dependency>
<!-- fastjson2 -->
<dependency><groupId>com.alibaba</groupId><artifactId>fastjson2</artifactId><version>2.0.28</version>
</dependency>

实现

    /*** 生成pdf文档* @param data* @param file* @throws IOException*/public static void generatePDF(JSONObject data, File file,String path) throws IOException {// 创建 PDF 文档PdfWriter writer = new PdfWriter(file);PdfDocument pdfDoc = new PdfDocument(writer);Document document = new Document(pdfDoc);// 从 Redis 中加载字体/*PdfFont simkaiFont = fontUtil.loadFontFromRedis(RedisKeyConstant.FONT + ":simkai");PdfFont simsunFont = fontUtil.loadFontFromRedis(RedisKeyConstant.FONT + ":simsun");PdfFont stzhongsFont = fontUtil.loadFontFromRedis(RedisKeyConstant.FONT + ":stzhongs");*/// 自定义字体文件 path 文件父文件夹PdfFont simkaiFont = PdfFontFactory.createFont(path + "simkai.ttf", PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED);PdfFont simsunFont = PdfFontFactory.createFont(path + "simsun.ttf", PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED);PdfFont stzhongsFont = PdfFontFactory.createFont(path + "stzhongs.ttf", PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED);// 设置边距document.setMargins(42.7f, 38f, 42.7f, 38f); // 上、右、下、左边距// 添加法院名称Paragraph courtLevel = new Paragraph(data.getString("court_level")).setFont(stzhongsFont) // 华文中宋.setFontSize(22)       // 二号字.setFontColor(DeviceRgb.BLACK)  // 黑色字体.setMultipliedLeading(1.5f)     // 1.5倍行距.setMarginTop(10)               // 段前间距.setTextAlignment(TextAlignment.CENTER); // 居中对齐document.add(courtLevel);// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));// 添加判决书类型Paragraph caseType = new Paragraph(getCaseTypeText(data)).setFont(stzhongsFont)        // 华文中宋.setFontSize(26)              // 一号字.setFontColor(DeviceRgb.BLACK) // 字体颜色为黑色.setMultipliedLeading(1.5f)   // 1.5倍行距.setTextAlignment(TextAlignment.CENTER); // 居中对齐document.add(caseType);// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));// 添加案号Paragraph caseId = new Paragraph(data.getString("case_id")).setFont(simkaiFont)                // 设置字体为楷体.setFontSize(15)                    // 小三字号.setFontColor(DeviceRgb.BLACK)      // 字体颜色为黑色.setFixedLeading(24)                // 固定行距 24磅.setMarginTop(12)                   // 段前一行（24磅，等于固定行距）.setMarginBottom(24)                // 段后一行（24磅，等于固定行距）.setTextAlignment(TextAlignment.RIGHT); // 右对齐document.add(caseId);// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));// 添加内容段落List<String> contentList = JsonUtil.getList(data, "content", String.class);float indent = 15 * 2;for (String content : contentList) {Paragraph contentPara = new Paragraph(content).setFont(simkaiFont)                // 设置字体为楷体.setFontSize(15)                    // 小三字号.setFontColor(DeviceRgb.BLACK)      // 设置字体颜色为黑色.setFixedLeading(24)                // 设置固定行距为24磅.setFirstLineIndent(indent)         // 设置首行缩进为2个字符.setMultipliedLeading(1.5f)   // 1.5倍行距//.setWidth(300.51f)                  // 设置每行宽度.setTextAlignment(TextAlignment.LEFT); // 左对齐document.add(contentPara);// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));}// 添加落款内容List<String> signatureList = JsonUtil.getList(data, "signature", String.class);for (String signature : signatureList) {Paragraph signaturePara = new Paragraph(signature).setFont(simkaiFont)                // 设置字体为楷体.setFontSize(15)                    // 小三字号.setFontColor(DeviceRgb.BLACK)      // 设置字体颜色为黑色.setFixedLeading(24).setTextAlignment(TextAlignment.RIGHT); // 右对齐document.add(signaturePara);// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));}// 添加页眉页脚pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, new FooterEventHandler(data.getString("case_name"), simkaiFont, simsunFont));// 关闭文档document.close();}

docker 服务字体文件找不到问题

  服务名:   # 我这里是微服务 整合了 docker-composebuild:dockerfile: # Dockerfile 位置context: .image: 镜像名container_name: 容器名environment:JVM_PARAM: ${JVM_PARAM} # jvm启动参数BOARDING_HOST_IP: ${BOARDING_HOST_IP} # 宿主机IPBOARDING_HOST_PORT: ${BOARDING_HOST_PORT} # 宿主机IPrestart: alwaysports: # 端口映射- "${BOARDING_HOST_PORT}:${BOARDING_HOST_PORT}"volumes: # 数据卷  挂载文件目录- /home/fonts:/usr/local/fonts