java 使用Itext 生成 PDF

Itext：https://itextpdf.com/en

有问题：qq ：185624592

Maven地址: 版本和版本之间 这边要注意冲突 

 

效果图:

 

 

        <!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->
        <dependency>
            <groupId>com.itextpdf</groupId>
            <artifactId>itextpdf</artifactId>
            <version>5.5.13.1</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>
        <dependency>
            <groupId>com.lowagie.text</groupId>
            <artifactId>com.springsource.com.lowagie.text</artifactId>
            <version>2.0.8</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.lowagie/itext -->
        <dependency>
            <groupId>com.lowagie</groupId>
            <artifactId>itext</artifactId>
            <version>4.2.2</version>
            <type>pom</type>
        </dependency>

 

 

代码 注释很详细

import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;
import com.zq.common.core.utils.EncodeUtils;
import com.zq.common.core.utils.time.DateTimeUtil;

import javax.servlet.http.HttpServletResponse;
import java.io.OutputStream;
import java.util.Date;

public class pdfStu {

    //全局表格高度
    private static final float TABLE_HEIGHT=30;

    public static void pdfStu(String waterMark, String payUrl, HttpServletResponse response) throws Exception {
        // 生成PDF
        Document document = new Document(PageSize.A4);
        //文件设置微软字体
        //字体文件
        /*File file=HouseActualTemplateUtils.getFileByUrl(OBSUtils.getFileVisiturl("poly-collection","info_collection/font/yahei.ttf"),"ttf");
        BaseFont bfChinese = BaseFont.createFont(file.getPath(),BaseFont.IDENTITY_H, false);
        OBSUtils.deleteDirectory(file);*/
        //代码设置字体
        BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
        Font fontChinese = new Font(bfChinese, 12, Font.NORMAL);
        Font fontChineseBig = new Font(bfChinese, 14, Font.NORMAL);
        Font fontMoney = new Font(bfChinese, 13, Font.BOLD, BaseColor.RED);
        Font BlodFont = new Font(bfChinese, 12, Font.BOLD, BaseColor.BLACK);

        // 写入器
        PdfWriter writer = PdfWriter.getInstance(document, response.getOutputStream());
        // 只读 （设置不能复制）
        writer.setEncryption(null, null, PdfWriter.ALLOW_PRINTING, PdfWriter.STANDARD_ENCRYPTION_128);
        // 通过PDF页面事件模式添加文字水印功能
        writer.setPageEvent(new TextWaterMarkPdfPageEvent(waterMark));

        // 添加页脚功能
        document.open();
        PdfPTable pdfPTable = new PdfPTable(1);
        PdfFooterEvent footerTable = new PdfFooterEvent(pdfPTable, payUrl);
        footerTable.setTableFooter(writer);
        document.add(pdfPTable);


        // 添加PDF属性
        document.open();
        Paragraph pph1 = new Paragraph("大标题", new Font(bfChinese, 16, Font.BOLD, BaseColor.BLACK));
        pph1.setAlignment(Element.ALIGN_CENTER);
        pph1.setSpacingAfter(10);
        pph1.setSpacingBefore(5);
        document.add(pph1);
        // 6列的表.
        PdfPTable table = new PdfPTable(6);
        table.setTotalWidth(500);
        table.setLockedWidth(true);
        table.setHorizontalAlignment(Element.ALIGN_CENTER);
        //设置每竖的宽度 默认可以不设置
        float[] widths = new float[] { 50, 50, 50, 50, 50, 50};
        table.setWidths(widths);

        PdfPCell cell0 = new PdfPCell(new Phrase("小标题",new Font(bfChinese, 14,
                Font.BOLD, BaseColor.BLACK)));
        cell0.setColspan(6);
        cell0=putStyle(cell0);
        table.addCell(cell0);

        PdfPCell cell1 = new PdfPCell(new Phrase("一" , fontChineseBig));
        //合并 列
        cell1.setRowspan(2);
        cell1=putStyle(cell1);
        table.addCell(cell1);

        PdfPCell cell2 = new PdfPCell(new Phrase("二", fontChineseBig));
        cell2=putStyle(cell2);
        cell2.setRowspan(2);
        table.addCell(cell2);

        PdfPCell cell3 = new PdfPCell(new Phrase("三", fontChineseBig));
        //合并行
        cell3.setColspan(4);
        cell3=putStyle(cell3);
        table.addCell(cell3);

        PdfPCell s1 =new PdfPCell(new Phrase("三1", fontChineseBig));
        //设置样式
        s1 = putStyle(s1);
        PdfPCell s2 =new PdfPCell(new Phrase("三2", fontChineseBig));
        s2 = putStyle(s2);
        PdfPCell s3 =new PdfPCell(new Phrase("三3", fontChineseBig));
        s3 = putStyle(s3);
        PdfPCell s4 =new PdfPCell(new Phrase("三4", fontChineseBig));
        s4 = putStyle(s4);

        table.addCell(s1);
        table.addCell(s2);
        table.addCell(s3);
        table.addCell(s4);

        cell1 =new PdfPCell(new Phrase("内容1", fontChinese));
        //设置样式
        cell1 = putStyle(cell1);
        cell2 =new PdfPCell(new Phrase("内容2", fontChinese));
        cell2 = putStyle(cell2);
        s1 =new PdfPCell(new Phrase("内容31", fontChinese));
        s1 = putStyle(s1);
        s2 =new PdfPCell(new Phrase("内容32", fontChinese));
        s2 = putStyle(s2);
        s3 =new PdfPCell(new Phrase("内容33", fontChinese));
        s3 = putStyle(s3);
        s4 =new PdfPCell(new Phrase("内容34", fontChinese));
        s4 = putStyle(s4);

        table.addCell(cell1);
        table.addCell(cell2);
        table.addCell(s1);
        table.addCell(s2);
        table.addCell(s3);
        table.addCell(s4);

        cell1 =new PdfPCell(new Phrase("内容1", fontChinese));
        //设置样式
        cell1 = putStyle(cell1);
        cell2 =new PdfPCell(new Phrase("内容2", fontChinese));
        cell2 = putStyle(cell2);
        s1 =new PdfPCell(new Phrase("内容31", fontChinese));
        s1 = putStyle(s1);
        s2 =new PdfPCell(new Phrase("内容32", fontChinese));
        s2 = putStyle(s2);
        s3 =new PdfPCell(new Phrase("内容33", fontChinese));
        s3 = putStyle(s3);
        s4 =new PdfPCell(new Phrase("内容34", fontChinese));
        s4 = putStyle(s4);

        table.addCell(cell1);
        table.addCell(cell2);
        table.addCell(s1);
        table.addCell(s2);
        table.addCell(s3);
        table.addCell(s4);


        cell1 =new PdfPCell(new Phrase("内容1", fontChinese));
        //设置样式
        cell1 = putStyle(cell1);
        cell2 =new PdfPCell(new Phrase("内容2", fontChinese));
        cell2 = putStyle(cell2);
        s1 =new PdfPCell(new Phrase("内容31", fontChinese));
        s1 = putStyle(s1);
        s2 =new PdfPCell(new Phrase("内容32", fontChinese));
        s2 = putStyle(s2);
        s3 =new PdfPCell(new Phrase("内容33", fontChinese));
        s3 = putStyle(s3);
        s4 =new PdfPCell(new Phrase("内容34", fontChinese));
        s4 = putStyle(s4);

        table.addCell(cell1);
        table.addCell(cell2);
        table.addCell(s1);
        table.addCell(s2);
        table.addCell(s3);
        table.addCell(s4);


        //将tabel 添加到document
        document.add(table);

        // 读入并设置印章图片
        Image image = Image.getInstance("E:\\yz.png");
        image.setScaleToFitLineWhenOverflow(true);
        image.setAlignment(Element.ALIGN_RIGHT);
        //定位
        float x = table.getTotalWidth();
        float y = 600 - table.getTotalHeight();
        while (y < 0) {
            y = 550 - (table.getTotalHeight() - 550);
        }
        image.setAbsolutePosition(x - 60, y);
        image.scaleAbsolute(100, 100);
        PdfContentByte pcb = writer.getDirectContentUnder();
        pcb.addImage(image);
        document.add(image);
        document.add(Chunk.NEWLINE);

        // 特别提醒
        Paragraph paragraphRemark = new Paragraph();
        Font remarkFont = new Font(bfChinese, 10, Font.NORMAL);
        paragraphRemark.add(new Chunk("特别提醒:", BlodFont));
        paragraphRemark.add(Chunk.NEWLINE);
        paragraphRemark.add(new Chunk("1.一二三四五六", remarkFont));
        paragraphRemark.add(new Chunk("一二三四五六七八九十", fontMoney));
        paragraphRemark.add(new Chunk("。一二三四五六七八九十。", remarkFont));
        paragraphRemark.add(Chunk.NEWLINE);
        paragraphRemark.add(Chunk.NEWLINE);
        paragraphRemark.add(new Chunk("2.一二三四五六七八九十", remarkFont));
        paragraphRemark.add(new Chunk(DateTimeUtil.getFormatDate(new Date(),DateTimeUtil.TIME_FORMAT), fontMoney));
        paragraphRemark.add(new Chunk("一二三四五六七八九十。", remarkFont));
        paragraphRemark.add(Chunk.NEWLINE);
        paragraphRemark.add(Chunk.NEWLINE);
        paragraphRemark.add(new Chunk("4.一二三四五六七八九十。", remarkFont));
        paragraphRemark.add(Chunk.NEWLINE);
        document.add(paragraphRemark);

        /**
         * 图片测试
         */
        /*String imagePath = "E:\\1a.png";
        // 声明图片对象
        Image image;
        try {
            // 取得图片对象
            image = Image.getInstance(imagePath);
        } catch (BadElementException | IOException e) {
            return;
        }
        image.scaleAbsolute(ImageTools.getImgWidth(new File(imagePath)), ImageTools.getImgHeight(new File(imagePath)));
        // （以左下角为原点）设置图片的坐标
        image.setAbsolutePosition(80f, 140f);
        //设置图片的宽度和高度
        image.scaleAbsolute(500, 370);
        try {
            document.add(image);
        } catch (DocumentException e) {
        }*/


        pph1 = new Paragraph("打印日期：" + DateTimeUtil.getFormatDate(new Date(),DateTimeUtil.TIME_FORMAT), fontChinese);
        pph1.setAlignment(Element.ALIGN_RIGHT);
        pph1.setSpacingBefore(20);

        document.add(pph1);

        response.setContentType("application/pdf; charset=utf-8");
        response.setHeader("Content-Disposition", "attachment; filename=" + EncodeUtils.urlEncode("pdf测试" + ".pdf"));
        document.close();
        writer.close();
        OutputStream out = response.getOutputStream();
        out.flush();
        response.flushBuffer();
    }


    /**
     * @Author GuoZG
     * @Description 设置样式
     * @Date 17:16 2019/7/30
     * @Param [pdfPCell]
     * @return com.itextpdf.text.pdf.PdfPCell
     **/
    public static PdfPCell putStyle(PdfPCell pdfPCell){
        //设置字体居中
        pdfPCell.setHorizontalAlignment(Element.ALIGN_CENTER);
        pdfPCell.setVerticalAlignment(Element.ALIGN_MIDDLE);
        pdfPCell.setFixedHeight(TABLE_HEIGHT);
        return pdfPCell;
    }
}