pdfbox java.io.IOException: Page tree root must be a dictionary

示例代碼

public static void main(String[] args) {

try (InputStream sampleInputs = new ClassPathResource("sample/untitle2.pdf").getInputStream();

PDDocument doc = PDDocument.load(sampleInputs, MemoryUsageSetting.setupTempFileOnly())) {

// get the document catalog

PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();

// as there might not be an AcroForm entry a null check is necessary

if (acroForm != null) {

// Retrieve an individual field and set its value.

PDTextField field = (PDTextField) acroForm.getField("sampleField");

field.setValue("Text Entry");

// If a field is nested within the form tree a fully qualified name

// might be provided to access the field.

field = (PDTextField) acroForm.getField("fieldsContainer.nestedSampleField");

field.setValue("Text Entry");

}

// Save and close the filled out form.

// doc.save("target/FillFormField.pdf");

} catch (IOException e) {

e.printStackTrace();

}

}

maven 中添加配置

org.springframework.boot

spring-boot-maven-plugin

maven-resources-plugin

pdf

參考：http://maven.apache.org/plugins/maven-resources-plugin/examples/filter.html

總結

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