精通使用 GroupDocs.Redaction for Java 的遮蔽技術：一步一步指南

<repositories>
   <repository>
      <id>repository.groupdocs.com</id>
      <name>GroupDocs Repository</name>
      <url>https://releases.groupdocs.com/redaction/java/</url>
   </repository>
</repositories>

<dependencies>
   <dependency>
      <groupId>com.groupdocs</groupId>
      <artifactId>groupdocs-redaction</artifactId>
      <version>24.9</version>
   </dependency>
</dependencies>

import com.groupdocs.redaction.Redactor;

public class RedactionSetup {
    public static void main(String[] args) {
        // Initialize the Redactor object with your document path
        try (Redactor redactor = new Redactor("path/to/your/document.pdf")) {
            // Perform operations here
        }
    }
}

import com.groupdocs.redaction.RedactionPolicy;
import com.groupdocs.redaction.redactions.ExactPhraseRedaction;
import com.groupdocs.redaction.redactions.RegexRedaction;
import com.groupdocs.redaction.redactions.DeleteAnnotationRedaction;
import com.groupdocs.redaction.redactions.EraseMetadataRedaction;
import com.groupdocs.redaction.options.ReplacementOptions;
import java.awt.Color;

// Configure redactions
RedactionPolicy policy = new RedactionPolicy(new Redaction[] {
    // Exact Phrase Redaction replaces "Redaction" with "[Product]"
    new ExactPhraseRedaction("Redaction", new ReplacementOptions("[Product]")),
    
    // Regex Redaction searches for specific patterns and replaces them with a blue rectangle
    new RegexRedaction("\\d{2}\\s*\\d{2}[^\\d]*\\d{6}", new ReplacementOptions(Color.BLUE)),
    
    // Delete Annotation Redaction removes all annotations
    new DeleteAnnotationRedaction(),
    
    // Erase Metadata Redaction deletes all metadata
    new EraseMetadataRedaction(MetadataFilters.All)
});

// Define your output directory path
String outputPath = YOUR_DOCUMENT_DIRECTORY + "YOUR_OUTPUT_DIRECTORY/POLICY_SAVE.xml";
policy.save(outputPath);

import com.groupdocs.redaction.Redaction;
import com.groupdocs.redaction.redactions.ExactPhraseRedaction;
import com.groupdocs.redaction.options.ReplacementOptions;

// Configure the redaction for a specific phrase
Redaction exactPhraseRedaction = new ExactPhraseRedaction(
    "Redaction", // Phrase to be redacted
    new ReplacementOptions("[Product]") // Replacement text
);

import com.groupdocs.redaction.Redaction;
import com.groupdocs.redaction.redactions.RegexRedaction;
import com.groupdocs.redaction.options.ReplacementOptions;
import java.awt.Color;

// Implement regex redaction for pattern matching
Redaction regexRedaction = new RegexRedaction(
    "\\d{2}\\s*\\d{2}[^\\d]*\\d{6}", // Pattern to match
    new ReplacementOptions(Color.BLUE) // Replace matches with blue rectangle
);