maven依赖

    <dependency>
        <groupId>com.itextpdf</groupId>
        <artifactId>itextpdf</artifactId>
        <version>5.5.13</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.itextpdf/itext-asian -->
    <dependency>
        <groupId>com.itextpdf</groupId>
        <artifactId>itext-asian</artifactId>
        <version>5.2.0</version>
    </dependency>。

pdf工具

public class PdfUtil {
// 定义全局的字体静态变量
private static Font titlefont;
private static Font headfont;
private static Font keyfont;
private static Font textfont;
private static Font textfont1;
// 最大宽度
private static int maxWidth = 520;
// 静态代码块
static {
try {
// 不同字体（这里定义为同一种字体：包含不同字号、不同style）
BaseFont bfChinese = BaseFont.createFont(“STSong-Light”, “UniGB-UCS2-H”, BaseFont.NOT_EMBEDDED);
titlefont = new Font(bfChinese, 15, Font.NORMAL);
textfont1 = new Font(bfChinese, 12, Font.NORMAL);
headfont = new Font(bfChinese, 10, Font.NORMAL);
keyfont = new Font(bfChinese, 10, Font.NORMAL);
textfont = new Font(bfChinese, 10, Font.NORMAL);

    } catch (Exception e) {
        e.printStackTrace();
    }
}

// 生成PDF文件
public static void generatePDF(List<Student> list, String title) throws Exception {
    int code = 0;
    Map<String,String> printMap = new HashMap<>();
    System.out.println("此次打印数量："+list.size());
    for (Student student : list) {
        code++;
        System.out.println("当前孩子："+student.getStudentName()+"正在生成pdf,打印序号："+code);
        // 1.新建document对象
        Document document = new Document(PageSize.A4);// 建立一个Document对象
        // 2.建立一个书写器(Writer)与document对象关联
        String printUrl = "/Users/sim/Desktop/"+student.getSchoolName()+student.getGradeName()+student.getClassName()+"-"+student.getStudentName()+".pdf";
        File file = new File(printUrl);
        file.createNewFile();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(file));
        // 3.打开文档
        document.open();
        document.addTitle("sim");// 标题
        document.addAuthor("sim@umiz");// 作者
        document.addSubject("Ssim");// 主题
        document.addKeywords("sim");// 关键字
        document.addCreator("sim");// 创建者
        // 段落
        Paragraph paragraph = new Paragraph(title, titlefont);
        paragraph.setAlignment(1); //设置文字居中 0靠左   1，居中     2，靠右
        paragraph.setIndentationLeft(12); //设置左缩进
        paragraph.setIndentationRight(12); //设置右缩进
        paragraph.setFirstLineIndent(24); //设置首行缩进
        paragraph.setLeading(20f); //行间距
        paragraph.setSpacingBefore(50f); //设置段落上空白
        paragraph.setSpacingAfter(30f); //设置段落下空白
        // 表格
        PdfPTable table = createTable(new float[] { 100, 80, 80, 70, 70});
        table.addCell(newCreateCell("姓名："+student.getStudentName(), 30f));
        table.addCell(newCreateCell("性别："+student.getSexName(), 30f));
        table.addCell(newCreateCell("年龄："+student.getAge(), 30f));
        table.addCell(newCreateCell("身高："+student.getHeight()+"(m)",30f));
        table.addCell(newCreateCell("体重："+student.getWeight()+("kg"), 30f));
        PdfPTable table1 = createTable(new float[] { 100, 80, 80, 70, 70});
        table1.addCell(newCreateCell("学校："+student.getSchoolName(),30f));
        table1.addCell(newCreateCell("年级："+student.getGradeName(),30f));
        table1.addCell(newCreateCell("班级："+student.getClassName(),30f));
        table1.addCell(newCreateCell("BMI："+student.getBmi(),30f));
        table1.addCell(newCreateCell("",20f));
        PdfPTable table2 = createTable(new float[] { 100, 300});
        table2.addCell(newCreateCell("体检结果",50f));
        String weightName = "";
        String heightName = "";
        if(!student.getWeightName().equals("正常")){
            weightName = "体重："+student.getWeightName()+"（建议到儿童内分泌科或生长发育科复查）\n\n";
        }else {
            weightName = "体重：正常 （建议定期观察生长速率）\n\n";
        }
        if(!student.getHeightName().equals("正常")){
            heightName = "身高："+student.getHeightName()+"（建议到儿童内分泌科或生长发育科复查）\n\n";
        }else {
            heightName = "身高：正常 （建议定期观察生长速率）";
        }
        table2.addCell(newCreateCell(weightName+heightName,50f));
        PdfPTable table3 = createTable(new float[] { 100, 300});
        table3.addCell(newCreateCell("温馨提示",180f));
        table3.addCell(newCreateCell("孩子的成长只有一次！我们建议：\n" +
                "\n" +
                "1、每天1-2小时户外运动。\n" +
                "     在以下项目中选择一项或两项（跳绳、游泳、有氧跑、有氧韵律操、羽毛球、网球、篮球、排球等纵向体育运动）。\n" +
                "\n" +
                "2、合理饮食，吃饱吃好一日三餐，荤素搭配，可适当多吃点鱼类少吃肉类，每天确保一个鸡蛋、250-500ml牛奶及水果等。\n" +
                "\n" +
                "3、充足规律的睡眠，晚上熟睡后体内生长激素分泌旺盛，并有两个分泌高峰期，因此充足规律的睡眠有利于孩子更好的长高。\n" +
                "\n" +
                "4、给孩子创造一个快乐、心情舒畅的生活环境，让孩子保持乐观向上的心态，不要过于宠溺孩子，适当的规矩是对孩子最好的保护。",180f));
        Paragraph paragraph1 = new Paragraph("关爱儿童，呵护成长", textfont1);
        paragraph1.setAlignment(1); //设置文字居中 0靠左   1，居中     2，靠右
        paragraph1.setIndentationLeft(12); //设置左缩进
        paragraph1.setIndentationRight(12); //设置右缩进
        paragraph1.setFirstLineIndent(24); //设置首行缩进
        paragraph1.setLeading(20f); //行间距
        paragraph1.setSpacingBefore(50f); //设置段落上空白
        paragraph1.setSpacingAfter(10f); //设置段落下空白
        document.add(paragraph);
        document.add(table);
        document.add(table1);
        document.add(table2);
        document.add(table3);
        document.add(paragraph1);
        document.close();
        printMap.put(student.getStudentName(),printUrl);
    }
    System.out.println("pdf生成完成，准备开始打印");
    for(String key:printMap.keySet()){
        System.out.println("开始打印"+key+"的报告");
        String printUrl = printMap.get(key).toString();
        PrintUtil.defaultPrintPDF(printUrl);
        System.out.println("等待5s");
        Thread.sleep(5000);
    }

}

/**
 * 创建单元格(指定字体)
 * @param value
 * @param font
 * @return
 */
public PdfPCell createCell(String value, Font font) {
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(Element.ALIGN_CENTER);
    cell.setPhrase(new Phrase(value, font));
    return cell;
}
public static PdfPCell newCreateCell(String value,float height){
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(Element.ALIGN_LEFT);
    cell.setPhrase(new Phrase(value, keyfont));
    cell.setFixedHeight(height);
    return cell;
}
/**
 * 创建单元格（指定字体、水平..）
 * @param value
 * @param font
 * @param align
 * @return
 */
public PdfPCell createCell(String value, Font font, int align) {
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(align);
    cell.setPhrase(new Phrase(value, font));
    return cell;
}
/**
 * 创建单元格（指定字体、水平居..、单元格跨x列合并）
 * @param value
 * @param font
 * @param align
 * @param colspan
 * @return
 */
public PdfPCell createCell(String value, Font font, int align, int colspan) {
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(align);
    cell.setColspan(colspan);
    cell.setPhrase(new Phrase(value, font));
    return cell;
}
/**
 * 创建单元格（指定字体、水平居..、单元格跨x列合并、设置单元格内边距）
 * @param value
 * @param font
 * @param align
 * @param colspan
 * @param boderFlag
 * @return
 */
public PdfPCell createCell(String value, Font font, int align, int colspan, boolean boderFlag) {
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(align);
    cell.setColspan(colspan);
    cell.setPhrase(new Phrase(value, font));
    cell.setPadding(3.0f);
    if (!boderFlag) {
        cell.setBorder(0);
        cell.setPaddingTop(15.0f);
        cell.setPaddingBottom(8.0f);
    } else if (boderFlag) {
        cell.setBorder(0);
        cell.setPaddingTop(0.0f);
        cell.setPaddingBottom(15.0f);
    }
    return cell;
}
/**
 * 创建单元格（指定字体、水平..、边框宽度：0表示无边框、内边距）
 * @param value
 * @param font
 * @param align
 * @param borderWidth
 * @param paddingSize
 * @param flag
 * @return
 */
public PdfPCell createCell(String value, Font font, int align, float[] borderWidth, float[] paddingSize, boolean flag) {
    PdfPCell cell = new PdfPCell();
    cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
    cell.setHorizontalAlignment(align);
    cell.setPhrase(new Phrase(value, font));
    cell.setBorderWidthLeft(borderWidth[0]);
    cell.setBorderWidthRight(borderWidth[1]);
    cell.setBorderWidthTop(borderWidth[2]);
    cell.setBorderWidthBottom(borderWidth[3]);
    cell.setPaddingTop(paddingSize[0]);
    cell.setPaddingBottom(paddingSize[1]);
    if (flag) {
        cell.setColspan(2);
    }
    return cell;
}
/**
 * 创建默认列宽，指定列数、水平(居中、右、左)的表格
 * @param colNumber
 * @param align
 * @return
 */
public PdfPTable createTable(int colNumber, int align) {
    PdfPTable table = new PdfPTable(colNumber);
    try {
        table.setTotalWidth(maxWidth);
        table.setLockedWidth(true);
        table.setHorizontalAlignment(align);
        table.getDefaultCell().setBorder(1);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return table;
}
/**
 * 创建指定列宽、列数的表格
 * @param widths
 * @return
 */
public static PdfPTable createTable(float[] widths) {
    PdfPTable table = new PdfPTable(widths);
    try {
        table.setTotalWidth(maxWidth);
        table.setLockedWidth(true);
        table.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.getDefaultCell().setBorder(1);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return table;
}
/**
 * 创建空白的表格
 * @return
 */
public PdfPTable createBlankTable() {
    PdfPTable table = new PdfPTable(1);
    table.getDefaultCell().setBorder(0);
    table.addCell(createCell("", keyfont));
    table.setSpacingAfter(20.0f);
    table.setSpacingBefore(20.0f);
    return table;
}

打印工具

public class PrintUtil {
/**
* 通过本机默认打印机打印pdf文件
* @param filePath 文件路径
* @throws Exception
*/
public static void defaultPrintPDF(String filePath) throws Exception{
File file = new File(filePath); // 获取选择的文件
// 构建打印请求属性集
HashPrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
// 设置打印格式，因为未确定类型，所以选择autosense
DocFlavor flavor = DocFlavor.INPUT_STREAM.PDF;
//pras.add(MediaName.ISO_A4_TRANSPARENT);//A4纸张
//遍历
// PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);
//
// for (PrintService printService2 : printService) {
// logger.info(“本机可使用打印机列表：===================”+printService2);
// }
// 定位默认的打印服务
PrintService defaultService = PrintServiceLookup
.lookupDefaultPrintService();
DocPrintJob job = defaultService.createPrintJob(); // 创建打印作业
FileInputStream fis = new FileInputStream(file); // 构造待打印的文件流
DocAttributeSet das = new HashDocAttributeSet();
Doc doc = new SimpleDoc(fis, flavor, das);
job.print(doc, pras);
}