什么是itext呢？

在我们工作实际项目开发中，会有大量的统计报表数据产生，这个时候除了会根据需求生成word，excel文件外，pdf无疑也是最常见的文件创建方式了，目前itext在Github中提供了Java和C#的itext7-dotnet创建使用，有多种历史版本选择，目前最新版本为：iText 7 Core 7.2.3

根据官网中的显示，itext7在进行开展商业活动的时候并不是完全免费的，一旦您开展商业活动，在您的产品中分发 iText 软件或将其部署到网络上，而无需根据 AGPL 许可披露您自己的应用程序的源代码，就必须购买许可。

itext官网地址：https://itextpdf.com/products/itext-7 学习了解更多相关的内容

itext项目依赖

在我们项目中需要通过itext创建并pdf文件时，需要提前导入好itext的maven依赖，下面依赖版本供参考

<!--pdf核心依赖-->
<dependency>
  <groupId>com.itextpdf</groupId>
	<artifactId>itextpdf</artifactId>
	<version>5.5.10</version>
</dependency>

<!--用于输出中文，根据需求添加-->
<dependency>
    <groupId>com.itextpdf</groupId>
		<artifactId>itext-asian</artifactId>
		<version>5.2.0</version>
</dependency>

<!--设置pdf文件密码，根据需求添加-->
<dependency>
    <groupId>org.bouncycastle</groupId>
	  <artifactId>bcprov-jdk15on</artifactId>
	  <version>1.54</version>
</dependency>itext

通过创建pdf过程示例

创建一个CreatePdfController控制器

package com.cx.ssm.controller;

import com.cx.ssm.service.CreatePdfService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.annotation.Resource;

@RestController
@RequestMapping("interface/CreatePdf")
public class CreatePdfController {

    @Resource
    CreatePdfService createPdfService;

    @RequestMapping("createPdfFile")
    public Boolean createPdfFile(){

        return createPdfService.createPdfFile();
    }
}

创建一个CreatePdfService业务逻辑层

package com.cx.ssm.service;

import com.itextpdf.text.*;
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 org.springframework.stereotype.Service;
import java.io.FileOutputStream;
import java.io.IOException;

@Service
public class CreatePdfService {

    public Boolean createPdfFile() {
        Document document = new Document(PageSize.A4);
        document.setMargins(-50, -50, 15, 5);
        FileOutputStream fileOutputStream = null;
        PdfWriter pdfWriter = null;
        try {
            fileOutputStream = new FileOutputStream("C:/Users/xx/Downloads/个人就业信息登记表模板.pdf");
            pdfWriter= PdfWriter.getInstance(document, fileOutputStream);
            BaseFont bfChinese = null;
            bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);

            Font titlefont = new Font(bfChinese, 16, Font.BOLD);
            Font keyfont = new Font(bfChinese, 10, Font.BOLD);
            Font textfont = new Font(bfChinese, 10);
            document.open();
            
            PdfPTable usernameInfoPdfPTable = new PdfPTable(1);
            PdfPCell usernameInfo = new PdfPCell(new Paragraph("个人就业信息登记表模板", titlefont));
            usernameInfo.setFixedHeight(43);
            usernameInfo.setHorizontalAlignment(PdfPCell.ALIGN_CENTER);
            //水平垂直居中
            usernameInfo.setVerticalAlignment(Element.ALIGN_TOP);
            usernameInfo.setBorder(0);
            //设置每列宽度比例
            int[] widthUsername= {100};
            usernameInfoPdfPTable.setWidths(widthUsername);
            usernameInfoPdfPTable.getDefaultCell().setBorder(0);
            usernameInfoPdfPTable.addCell(usernameInfo);
            document.add(usernameInfoPdfPTable);

            //第三列
            PdfPTable oneLinePdfPTable = new PdfPTable(6);
            //设置每列宽度比例
            int[] oneLineWidthPdfPTable = {14, 12, 14, 12, 14, 14};
            oneLinePdfPTable.setWidths(oneLineWidthPdfPTable);
            oneLinePdfPTable.getDefaultCell().setBorder(0);
            PdfPCell name = new PdfPCell(new Paragraph("姓名", keyfont));
            PdfPCell username = new PdfPCell(new Paragraph("张三", textfont));
            PdfPCell sex = new PdfPCell(new Paragraph("性别", keyfont));
            PdfPCell sexValue = new PdfPCell(new Paragraph("男", textfont));
            PdfPCell like = new PdfPCell(new Paragraph("爱好", keyfont));
            PdfPCell likeValue = new PdfPCell(new Paragraph("打篮球", textfont));

            name.setFixedHeight(25);
            name.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            username.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            sex.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            sexValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            like.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            likeValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);

            name.setVerticalAlignment(Element.ALIGN_MIDDLE);
            username.setVerticalAlignment(Element.ALIGN_MIDDLE);
            sex.setVerticalAlignment(Element.ALIGN_MIDDLE);
            sexValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            like.setVerticalAlignment(Element.ALIGN_MIDDLE);
            likeValue.setVerticalAlignment(Element.ALIGN_MIDDLE);

            oneLinePdfPTable.addCell(name);
            oneLinePdfPTable.addCell(username);
            oneLinePdfPTable.addCell(sex);
            oneLinePdfPTable.addCell(sexValue);
            oneLinePdfPTable.addCell(like);
            oneLinePdfPTable.addCell(likeValue);
            document.add(oneLinePdfPTable);

            PdfPTable twoLinePdfPTable = new PdfPTable(6);
            int[] twoLineWidthPdfPTable = {14, 12, 14, 12, 14, 14};
            twoLinePdfPTable.setWidths(twoLineWidthPdfPTable);
            twoLinePdfPTable.getDefaultCell().setBorder(0);
            PdfPCell idCard = new PdfPCell(new Paragraph("身份证号码", keyfont));
            PdfPCell idCardValue = new PdfPCell(new Paragraph("xxxxxxxx", textfont));
            PdfPCell address = new PdfPCell(new Paragraph("家庭地址", keyfont));
            PdfPCell addressValue = new PdfPCell(new Paragraph("中国", textfont));
            PdfPCell health = new PdfPCell(new Paragraph("健康情况", keyfont));
            PdfPCell healthValue = new PdfPCell(new Paragraph("良", textfont));

            idCard.setFixedHeight(25);
            idCard.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            idCardValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            address.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            addressValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            health.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            healthValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);

            idCard.setVerticalAlignment(Element.ALIGN_MIDDLE);
            idCardValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            address.setVerticalAlignment(Element.ALIGN_MIDDLE);
            addressValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            health.setVerticalAlignment(Element.ALIGN_MIDDLE);
            healthValue.setVerticalAlignment(Element.ALIGN_MIDDLE);

            twoLinePdfPTable.addCell(idCard);
            twoLinePdfPTable.addCell(idCardValue);
            twoLinePdfPTable.addCell(address);
            twoLinePdfPTable.addCell(addressValue);
            twoLinePdfPTable.addCell(health);
            twoLinePdfPTable.addCell(healthValue);
            document.add(twoLinePdfPTable);


            PdfPTable threeLinePdfPTable = new PdfPTable(6);
            int[] threeLineWidthPdfPTable = {14, 12, 14, 12, 14, 14};
            threeLinePdfPTable.setWidths(threeLineWidthPdfPTable);
            threeLinePdfPTable.getDefaultCell().setBorder(0);
            PdfPCell born = new PdfPCell(new Paragraph("出生日期", keyfont));
            PdfPCell bornValue = new PdfPCell(new Paragraph("1999年3月3", textfont));
            PdfPCell home = new PdfPCell(new Paragraph("家庭籍贯", keyfont));
            PdfPCell homeValue = new PdfPCell(new Paragraph("中国", textfont));
            PdfPCell cell66 = new PdfPCell(new Paragraph("", textfont));
            PdfPCell cell67 = new PdfPCell(new Paragraph("", textfont));

            born.setFixedHeight(25);
            homeValue.setColspan(3);
            born.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            bornValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            home.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            homeValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            cell66.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            cell67.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);

            born.setVerticalAlignment(Element.ALIGN_MIDDLE);
            bornValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            home.setVerticalAlignment(Element.ALIGN_MIDDLE);
            homeValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            cell66.setVerticalAlignment(Element.ALIGN_MIDDLE);
            cell67.setVerticalAlignment(Element.ALIGN_MIDDLE);

            threeLinePdfPTable.addCell(born);
            threeLinePdfPTable.addCell(bornValue);
            threeLinePdfPTable.addCell(home);
            threeLinePdfPTable.addCell(homeValue);
            threeLinePdfPTable.addCell(cell66);
            threeLinePdfPTable.addCell(cell67);
            document.add(threeLinePdfPTable);

            PdfPTable schoolPdfPTable = new PdfPTable(2);
            int[] schoolWidthPdfPTable = {7, 33};
            schoolPdfPTable.setWidths(schoolWidthPdfPTable);
            schoolPdfPTable.getDefaultCell().setBorder(0);
            PdfPCell school = new PdfPCell(new Paragraph("学历信息", keyfont));
            PdfPCell schoolValue = new PdfPCell(new Paragraph("xxxxxxxxxxxxxxx", textfont));
            school.setFixedHeight(25);
            school.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            schoolValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            school.setVerticalAlignment(Element.ALIGN_MIDDLE);
            schoolValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            schoolPdfPTable.addCell(school);
            schoolPdfPTable.addCell(schoolValue);
            document.add(schoolPdfPTable);

            PdfPTable internshipPdfPTable = new PdfPTable(2);
            int[] internshipWidthPdfPTable = {7, 33};
            internshipPdfPTable.setWidths(internshipWidthPdfPTable);
            internshipPdfPTable.getDefaultCell().setBorder(0);
            PdfPCell internship = new PdfPCell(new Paragraph("实习经历", keyfont));
            PdfPCell internshipValue = new PdfPCell(new Paragraph("xxxxxxxxxxxxxxx", textfont));
            internship.setFixedHeight(25);
            internship.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            internshipValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            internship.setVerticalAlignment(Element.ALIGN_MIDDLE);
            internshipValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            internshipPdfPTable.addCell(internship);
            internshipPdfPTable.addCell(internshipValue);
            document.add(internshipPdfPTable);

            PdfPTable jobPdfPTable = new PdfPTable(2);
            int[] jobWidthPdfPTable = {7, 33};
            jobPdfPTable.setWidths(jobWidthPdfPTable);
            jobPdfPTable.getDefaultCell().setBorder(0);
            PdfPCell job = new PdfPCell(new Paragraph("工作经历", keyfont));
            PdfPCell jobValue = new PdfPCell(new Paragraph("xxxxxxxxxxxxxxx", textfont));
            job.setFixedHeight(25);
            job.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            jobValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            job.setVerticalAlignment(Element.ALIGN_MIDDLE);
            jobValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            jobPdfPTable.addCell(job);
            jobPdfPTable.addCell(jobValue);
            document.add(jobPdfPTable);

            PdfPTable telnetPdfPTable = new PdfPTable(2);
            int[] telnetWidthPdfPTable = {7, 33};
            telnetPdfPTable.setWidths(telnetWidthPdfPTable);
            telnetPdfPTable.getDefaultCell().setBorder(0);
            PdfPCell personTelnet = new PdfPCell(new Paragraph("个人技能", keyfont));
            PdfPCell personTelnetValue = new PdfPCell(new Paragraph("xxxxxxxxxxxxxxx", textfont));
            personTelnet.setFixedHeight(25);
            personTelnet.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            personTelnetValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            personTelnet.setVerticalAlignment(Element.ALIGN_MIDDLE);
            personTelnetValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            telnetPdfPTable.addCell(personTelnet);
            telnetPdfPTable.addCell(personTelnetValue);
            document.add(telnetPdfPTable);

            PdfPTable hobbyPdfPTable = new PdfPTable(2);
            int[] hobbyWidthPdfPTable = {7, 33};
            hobbyPdfPTable.setWidths(hobbyWidthPdfPTable);
            hobbyPdfPTable.getDefaultCell().setBorder(0);
            PdfPCell hobby = new PdfPCell(new Paragraph("性格爱好", keyfont));
            PdfPCell hobbyValue = new PdfPCell(new Paragraph("xxxxxxxxxxxxxxx", textfont));
            hobby.setFixedHeight(40);
            hobby.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            hobbyValue.setHorizontalAlignment(PdfPCell.ALIGN_LEFT);
            hobby.setVerticalAlignment(Element.ALIGN_MIDDLE);
            hobbyValue.setVerticalAlignment(Element.ALIGN_MIDDLE);
            hobbyPdfPTable.addCell(hobby);
            hobbyPdfPTable.addCell(hobbyValue);
            document.add(hobbyPdfPTable);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            document.close();
            pdfWriter.close();
            try {
                if(fileOutputStream !=null){
                    fileOutputStream.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return true;
    }
}

创建成功模板示例

开源地址：https://github.com/itext/itext7

在Java中通过itext优雅便捷的生成Pdf文件

什么是itext呢？

itext项目依赖

通过创建pdf过程示例

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