IText之pdf表单填充

maven项目的demo下载地址
文中用到了simsunttc字体自行网上下载。C:/PdfTest/template/为个人创建的文件夹路径。b.pdf存在，b2.pdf不存在，等待项目运行后生成。

项目结构图：

项目代码：

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.itext.demo</groupId>
  <artifactId>ITextPdfDemo</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

    <name>ITextPdfDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <logback.version>1.1.7</logback.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->
        <dependency>
            <groupId>com.itextpdf</groupId>
            <artifactId>itextpdf</artifactId>
            <version>5.5.10</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.itextpdf/font-asian -->
        <dependency>
            <groupId>com.itextpdf</groupId>
            <artifactId>font-asian</artifactId>
            <version>7.1.2</version>
            <scope>test</scope>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.itextpdf/io -->
        <dependency>
            <groupId>com.itextpdf</groupId>
            <artifactId>io</artifactId>
            <version>7.1.2</version>
        </dependency>


    </dependencies>
    <build>
        <plugins>
            <!-- java编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

ITextPdf.java

package com.itextpdf.demo;

import java.io.FileOutputStream;

import com.itextpdf.io.IOException;
import com.itextpdf.io.source.ByteArrayOutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.AcroFields;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfCopy;
import com.itextpdf.text.pdf.PdfImportedPage;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;

/**
 * 采用pdf模板填充技术，pdf上嵌入pdf表单，设置表单名称，进行填充
 * @author Administrator
 *
 */
public class ITextPdf {
    public static void  FillForm() throws Exception {
        // 模板路径
        String templatePath = "C:/PdfTest/template/b.pdf";
        // 生成的新文件路径
        String newPDFPath = "C:/PdfTest/template/b2.pdf";
        PdfReader reader;
        FileOutputStream out;
        ByteArrayOutputStream bos;
        PdfStamper stamper;
        try{
            out = new FileOutputStream(newPDFPath);// 输出流到新的pdf,没有b2.pdf时会创建
            reader = new PdfReader(templatePath);// 读取pdf模板
            bos = new ByteArrayOutputStream();
            stamper = new PdfStamper(reader, bos);
            AcroFields form = stamper.getAcroFields();

           BaseFont bf = BaseFont.createFont("C:/PdfTest/template/simsun.ttc,1", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);//加载字体
            //获取form表单的表单名称--》测试看能不能获得pdf文件中的Form表单的名称
            java.util.Iterator<String> it = form.getFields().keySet()
                    .iterator();
            while (it.hasNext())
            {
                String name = it.next().toString();
                System.out.println(name);
            }
            form.setFieldProperty("name", "textfont", bf, null);//设置字体
            form.setField("name", "黎明-王厝");
            form.setFieldProperty("age", "textfont", bf, null);
            form.setField("age", "1");
            form.setFieldProperty("class", "textfont", bf, null);
            form.setField("class","计算机科学与技术");


            stamper.setFormFlattening(true);// 如果为false那么生成的PDF文件还能编辑，一定要设为true
            stamper.close();

            Document doc = new Document();

            PdfCopy copy = new PdfCopy(doc, out);
            doc.open();
            PdfImportedPage importPage = null;
           for(int i = 1; i <= reader.getNumberOfPages(); i++) {
               importPage = copy
                       .getImportedPage(new PdfReader(bos.toByteArray()), i);
               copy.addPage(importPage);
           }
           doc.close();
        }
        catch (IOException e)        
        {
            e.printStackTrace();
        }
        catch (DocumentException e)
        {
            e.printStackTrace();
        }
    }
}

TestDemo.java

package com.itextpdf.test;


import org.junit.Test;

import com.itextpdf.demo.ITextPdf;

public class TestDemo {
    @Test  
    public void MyTest(){  
        try {
            ITextPdf.FillForm();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

b.pdf

有两页，为了测试分页的时候还能不能填充。
未用Adobe Acrobat XI Pro的pdf表单填充前的页面：

用Adobe Acrobat XI Pro进行表单填充：

对生成的表单进行重命名，即点击，右键，重命名


另存为 b.pdf

b2.pdf