java填充pdf表单

• Z时代
• 2024-01-10
• 分类：综合

maven

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>forms</artifactId>
    <version>7.1.11</version>
</dependency>

示例代码：

public class AwardGenerateServiceImpl implements IAwardGenerateService {
    private static final String FONT_PATH = "/files/SimSun.ttf";
    public static void doGenerateS1(AwardPdfSampleForm sampleForm,
                                    String sampleName,
                                    HttpServletResponse response) {
        InputStream pdfIs = null;
        InputStream fontIs = null;
        PdfDocument pdf = null;
        try {
            pdfIs = new ClassPathResource("/files/" + sampleName).getInputStream();
            fontIs = new ClassPathResource(FONT_PATH).getInputStream();
            ServletOutputStream out = response.getOutputStream();
            pdf = new PdfDocument(new PdfReader(pdfIs), new PdfWriter(out));
            PdfAcroForm form = PdfAcroForm.getAcroForm(pdf, false);
            PdfFont font = PdfFontFactory.createFont(StreamUtil.copyToByteArray(fontIs), PdfEncodings.IDENTITY_H);
            form.getField("certNo").setValue(sampleForm.getCertNo(), font, 14f).setReadOnly(true);
            form.getField("realName").setValue(sampleForm.getRealName(), font, 14f).setReadOnly(true);
            form.getField("productName").setValue(sampleForm.getProductName(), font, 14f).setReadOnly(true);
            form.getField("contestName").setValue(sampleForm.getContestName(), font, 14f).setReadOnly(true);
            form.getField("category").setValue(sampleForm.getCategory(), font, 14f).setReadOnly(true);
            form.getField("group").setValue(sampleForm.getGroup(), font, 14f).setReadOnly(true);
            form.getField("award").setValue(sampleForm.getAward(), font, 14f).setReadOnly(true);
            form.getField("teacherName").setValue(sampleForm.getTeacherName(), font, 14f).setReadOnly(true);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (pdfIs != null) {
                    pdfIs.close();
                }
                if (fontIs != null) {
                    fontIs.close();
                }
                if (pdf != null) {
                    pdf.close();
                }
            } catch (IOException e) {
                log.error("err", e);
            }
        }
    }
}

资源文件

其中 s1.pdf 是sampleName，SimSun.ttf 是宋体

额外说明：由于pdf 为二进制文件，需要配置 maven 不进行过滤，否则打包后会损坏。

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
        <plugin>
            <artifactId>maven-resources-plugin</artifactId>
            <configuration>
                <nonFilteredFileExtensions>
                    <nonFilteredFileExtension>pdf</nonFilteredFileExtension>
                    <nonFilteredFileExtension>ttf</nonFilteredFileExtension>
                </nonFilteredFileExtensions>
            </configuration>
        </plugin>
    </plugins>
</build>

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