การแปลง 3D เป็น PDF ใน Java: คู่มือขั้นตอนสำหรับนักพัฒนา

<dependency>
    <groupId>com.aspose</groupId>
    <artifactId>aspose-cells-cloud</artifactId>
    <version>26.7</version>
</dependency>

Configuration config = new Configuration();
config.setClientId("YOUR_CLIENT_ID");
config.setClientSecret("YOUR_CLIENT_SECRET");
// Optional: config.setBasePath("https://api.aspose.cloud"); // default

FilesUploadResult uploadResult = filesApi.uploadFile("", new File(localInputPath));
if (uploadResult == null || uploadResult.getUploaded().isEmpty()) {
    System.err.println("Upload failed.");
    return;
}

PdfSaveOptions pdfOptions = new PdfSaveOptions();
pdfOptions.setCacheFont(true);
pdfOptions.setCompressImages(true);
pdfOptions.setImageQuality(80);
pdfOptions.setEnableMemoryOptimization(true);

WorkbookResponse convertResponse = cellsApi.postWorkbookSaveAs(
        remoteInputName,          // source workbook name
        "pdf",                    // target format
        remoteOutputName,         // output path in cloud storage
        pdfOptions,               // save options
        "",                       // folder (root)
        null);                    // storage (default)

byte[] pdfBytes = filesApi.downloadFile(remoteOutputName);
try (FileOutputStream fos = new FileOutputStream(new File(localOutputPath))) {
    fos.write(pdfBytes);
}
System.out.println("Conversion completed successfully. PDF saved to " + localOutputPath);

filesApi.deleteFile(remoteInputName, null, null);
filesApi.deleteFile(remoteOutputName, null, null);

import com.aspose.cloud.cells.api.CellsApi;
import com.aspose.cloud.cells.api.FilesApi;
import com.aspose.cloud.cells.client.ApiException;
import com.aspose.cloud.cells.client.Configuration;
import com.aspose.cloud.cells.model.PdfSaveOptions;
import com.aspose.cloud.cells.model.FilesUploadResult;
import com.aspose.cloud.cells.model.WorkbookResponse;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class AsposeCells3DToPdfExample {
    public static void main(String[] args) {
        // -------------------- Configuration --------------------
        Configuration config = new Configuration();
        config.setClientId("YOUR_CLIENT_ID");
        config.setClientSecret("YOUR_CLIENT_SECRET");
        // Optional: config.setBasePath("https://api.aspose.cloud"); // default

// -------------------- API Instances --------------------
        CellsApi cellsApi = new CellsApi(config);
        FilesApi filesApi = new FilesApi(config);

// -------------------- Local & Remote Paths --------------------
        String localInputPath = "input.xlsx";      // Excel file containing 3D charts
        String remoteInputName = "input.xlsx";     // Name used in cloud storage
        String remoteOutputName = "output.pdf";    // Desired PDF name in cloud storage
        String localOutputPath = "output.pdf";     // Where to save the downloaded PDF

try {
            // -------------------- Upload Excel to Cloud --------------------
            FilesUploadResult uploadResult = filesApi.uploadFile("", new File(localInputPath));
            if (uploadResult == null || uploadResult.getUploaded().isEmpty()) {
                System.err.println("Upload failed.");
                return;
            }

// -------------------- Prepare PDF Save Options (Performance) --------------------
            PdfSaveOptions pdfOptions = new PdfSaveOptions();
            pdfOptions.setCacheFont(true);                     // Cache fonts for faster processing
            pdfOptions.setCompressImages(true);               // Compress images to reduce size
            pdfOptions.setImageQuality(80);                   // Balance quality and size
            pdfOptions.setEnableMemoryOptimization(true);     // Reduce memory footprint

// -------------------- Convert Workbook to PDF --------------------
            WorkbookResponse convertResponse = cellsApi.postWorkbookSaveAs(
                    remoteInputName,          // source workbook name
                    "pdf",                    // target format
                    remoteOutputName,         // output path in cloud storage
                    pdfOptions,               // save options
                    "",                       // folder (root)
                    null                      // storage (default)
            );

if (convertResponse == null || convertResponse.getCode() != 200) {
                System.err.println("Conversion failed.");
                return;
            }

// -------------------- Download Resulting PDF --------------------
            byte[] pdfBytes = filesApi.downloadFile(remoteOutputName);
            try (FileOutputStream fos = new FileOutputStream(new File(localOutputPath))) {
                fos.write(pdfBytes);
            }

System.out.println("Conversion completed successfully. PDF saved to " + localOutputPath);
        } catch (ApiException | IOException e) {
            e.printStackTrace();
        } finally {
            // -------------------- Optional Cleanup --------------------
            try {
                filesApi.deleteFile(remoteInputName, null, null);
                filesApi.deleteFile(remoteOutputName, null, null);
            } catch (ApiException ignored) {
            }
        }
    }
}

curl -X POST "https://api.aspose.cloud/connect/token" \
     -H "Content-Type: application/x-www-form-urlencoded" \
     -d "grant_type=client_credentials&client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET"

curl -X PUT "https://api.aspose.cloud/v3.0/cells/storage/file/input.xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/octet-stream" \
     --data-binary "@input.xlsx"

curl -X POST "https://api.aspose.cloud/v3.0/cells/input.xlsx/saveAs/pdf?outputPath=output.pdf" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "CacheFont": true,
           "CompressImages": true,
           "ImageQuality": 80,
           "EnableMemoryOptimization": true
         }'

curl -X GET "https://api.aspose.cloud/v3.0/cells/storage/file/output.pdf" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o output.pdf