Memproses file PDF dengan Gemini

Contoh ini menunjukkan cara memproses dokumen PDF menggunakan Gemini.

Mempelajari lebih lanjut

Untuk dokumentasi mendetail yang menyertakan contoh kode ini, lihat artikel berikut:

Contoh kode

Go

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Go di Panduan memulai Vertex AI menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi API Go Vertex AI.

Untuk melakukan autentikasi ke Vertex AI, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal. 

import (
	"context"
	"fmt"
	"io"

	"google.golang.org/genai"
)

// generateTextWithPDF shows how to generate text using a PDF file input.
func generateTextWithPDF(w io.Writer) error {
	ctx := context.Background()

	client, err := genai.NewClient(ctx, &genai.ClientConfig{
		HTTPOptions: genai.HTTPOptions{APIVersion: "v1"},
	})
	if err != nil {
		return fmt.Errorf("failed to create genai client: %w", err)
	}

	modelName := "gemini-2.5-flash"
	contents := []*genai.Content{
		{Parts: []*genai.Part{
			{Text: `You are a highly skilled document summarization specialist.
	Your task is to provide a concise executive summary of no more than 300 words.
	Please summarize the given document for a general audience.`},
			{FileData: &genai.FileData{
				FileURI:  "gs://cloud-samples-data/generative-ai/pdf/1706.03762v7.pdf",
				MIMEType: "application/pdf",
			}},
		},
			Role: "user"},
	}

	resp, err := client.Models.GenerateContent(ctx, modelName, contents, nil)
	if err != nil {
		return fmt.Errorf("failed to generate content: %w", err)
	}

	respText := resp.Text()

	fmt.Fprintln(w, respText)

	// Example response:
	// "Attention Is All You Need" introduces the Transformer,
	// a groundbreaking neural network architecture designed for...
	// ...

	return nil
}

Java

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Java di Panduan memulai Vertex AI menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi API Java Vertex AI.

Untuk melakukan autentikasi ke Vertex AI, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal. 


import com.google.genai.Client;
import com.google.genai.types.Content;
import com.google.genai.types.GenerateContentResponse;
import com.google.genai.types.HttpOptions;
import com.google.genai.types.Part;

public class TextGenerationWithPdf {

  public static void main(String[] args) {
    // TODO(developer): Replace these variables before running the sample.
    String modelId = "gemini-2.5-flash";
    generateContent(modelId);
  }

  // Generates text with PDF file input
  public static String generateContent(String modelId) {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests.
    try (Client client =
        Client.builder()
            .location("global")
            .vertexAI(true)
            .httpOptions(HttpOptions.builder().apiVersion("v1").build())
            .build()) {

      String prompt =
          "You are a highly skilled document summarization specialist.\n"
              + " Your task is to provide a concise executive summary of no more than 300 words.\n"
              + " Please summarize the given document for a general audience";

      GenerateContentResponse response =
          client.models.generateContent(
              modelId,
              Content.fromParts(
                  Part.fromUri(
                      "gs://cloud-samples-data/generative-ai/pdf/1706.03762v7.pdf",
                      "application/pdf"),
                  Part.fromText(prompt)),
              null);

      System.out.print(response.text());
      // Example response:
      // The document introduces the Transformer, a novel neural network architecture designed for
      // sequence transduction tasks, such as machine translation. Unlike previous dominant models
      // that rely on complex recurrent or convolutional neural networks, the Transformer proposes a
      // simpler, more parallelizable design based *solely* on attention mechanisms, entirely
      // dispensing with recurrence and convolutions...

      return response.text();
    }
  }
}

Node.js

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Node.js di Panduan memulai Vertex AI menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi API Node.js Vertex AI.

Untuk melakukan autentikasi ke Vertex AI, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal. 

const {GoogleGenAI} = require('@google/genai');

const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';

async function generateText(
  projectId = GOOGLE_CLOUD_PROJECT,
  location = GOOGLE_CLOUD_LOCATION
) {
  const client = new GoogleGenAI({
    vertexai: true,
    project: projectId,
    location: location,
  });

  const prompt = `You are a highly skilled document summarization specialist.
    Your task is to provide a concise executive summary of no more than 300 words.
    Please summarize the given document for a general audience.`;

  const pdfFile = {
    fileData: {
      fileUri: 'gs://cloud-samples-data/generative-ai/pdf/1706.03762v7.pdf',
      mimeType: 'application/pdf',
    },
  };

  const response = await client.models.generateContent({
    model: 'gemini-2.5-flash',
    contents: [pdfFile, prompt],
  });

  console.log(response.text);

  // Example response:
  //  Here is a summary of the document in 300 words.
  //  The paper introduces the Transformer, a novel neural network architecture for
  //  sequence transduction tasks like machine translation. Unlike existing models that rely on recurrent or
  //  convolutional layers, the Transformer is based entirely on attention mechanisms.
  //  ...

  return response.text;
}

Python

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Python di Panduan memulai Vertex AI menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi API Python Vertex AI.

Untuk melakukan autentikasi ke Vertex AI, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal. 

from google import genai
from google.genai.types import HttpOptions, Part

client = genai.Client(http_options=HttpOptions(api_version="v1"))
model_id = "gemini-2.5-flash"

prompt = """
You are a highly skilled document summarization specialist.
Your task is to provide a concise executive summary of no more than 300 words.
Please summarize the given document for a general audience.
"""

pdf_file = Part.from_uri(
    file_uri="gs://cloud-samples-data/generative-ai/pdf/1706.03762v7.pdf",
    mime_type="application/pdf",
)

response = client.models.generate_content(
    model=model_id,
    contents=[pdf_file, prompt],
)

print(response.text)
# Example response:
# Here is a summary of the document in 300 words.
#
# The paper introduces the Transformer, a novel neural network architecture for
# sequence transduction tasks like machine translation. Unlike existing models that rely on recurrent or
# convolutional layers, the Transformer is based entirely on attention mechanisms.
# ...

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