在 Java SDK 中将 PDF 转换为 TXT

    package com.aspose.asposecloudpdfusecases.conversions;

import java.io.File;
import java.io.PrintWriter;
import java.nio.file.Path;
import com.aspose.asposecloudpdf.api.PdfApi;
import com.aspose.asposecloudpdf.model.TextRect;
import com.aspose.asposecloudpdf.model.TextRectsResponse;

public class ConvertPdfToTxt {
    public static void Convert() {
        String REMOTE_FOLDER   = "Your_Temp_Pdf_Cloud";
	    String LOCAL_FOLDER    = "c:\\Samples";
        String PDF_FILE_NAME  = "sample.pdf";
	    String TXT_OUTPUT = "convert_pdf_txt_output.txt";
    
        try {
            PdfApi pdfApi = new PdfApi(API_KEY, API_SECRET);

            // upload local PDF file to remote storage
            File file = new File(Path.of(LOCAL_FOLDER, PDF_FILE_NAME).toString());
            String srcPath = Path.of(REMOTE_FOLDER, PDF_FILE_NAME).toString();
            pdfApi.uploadFile(srcPath, file, null);
            System.out.println(String.format("Files %s successfully uploaded!", PDF_FILE_NAME));

           // convert PDF to TXT
            TextRectsResponse response = pdfApi.getText(PDF_FILE_NAME, 0., 0., 0., 0., null, null, null, REMOTE_FOLDER, null);
    
            if (response.getCode() != 200)
                System.err.println("Error: unexpected error when converting PDF to TXT! '" + response.getStatus() + "'");
            else {
                // Save all text in a UTF-8 encoded file
                PrintWriter pw = new PrintWriter(Path.of(LOCAL_FOLDER, TXT_OUTPUT).toString());
                for (TextRect txRect : response.getTextOccurrences().getList()) {
                    pw.write(txRect.getText());
                }
                pw.close();
                System.out.println("Successfully converted PDF document to TXT ! '" + TXT_OUTPUT + "'");
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}