Se usó la API de Cloud Translation para traducir esta página.
Switch to English

Enumera productos

Recupera una lista de productos existentes.

Páginas de documentación que incluyen esta muestra de código

Para ver la muestra de código usada en contexto, consulta la siguiente documentación:

Muestra de código

Comienza a usarlo


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"google.golang.org/api/iterator"
	visionpb "google.golang.org/genproto/googleapis/cloud/vision/v1"
)

// listProducts lists products.
func listProducts(w io.Writer, projectID string, location string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %v", err)
	}
	defer c.Close()

	req := &visionpb.ListProductsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
	}

	it := c.ListProducts(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("Next: %v", err)
		}

		fmt.Fprintf(w, "Product name: %s\n", resp.Name)
		fmt.Fprintf(w, "Product display name: %s\n", resp.DisplayName)
		fmt.Fprintf(w, "Product category: %s\n", resp.ProductCategory)
		fmt.Fprintf(w, "Product labels: %s\n", resp.ProductLabels)
	}

	return nil
}

Java

/**
 * List all products.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @throws IOException - on I/O errors.
 */
public static void listProducts(String projectId, String computeRegion) throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // A resource that represents Google Cloud Platform location.
    String formattedParent = ProductSearchClient.formatLocationName(projectId, computeRegion);

    // List all the products available in the region.
    for (Product product : client.listProducts(formattedParent).iterateAll()) {
      // Display the product information
      System.out.println(String.format("\nProduct name: %s", product.getName()));
      System.out.println(
          String.format(
              "Product id: %s",
              product.getName().substring(product.getName().lastIndexOf('/') + 1)));
      System.out.println(String.format("Product display name: %s", product.getDisplayName()));
      System.out.println(String.format("Product category: %s", product.getProductCategory()));
      System.out.println("Product labels:");
      System.out.println(
          String.format("Product labels: %s", product.getProductLabelsList().toString()));
    }
  }
}

Node.js

// Imports the Google Cloud client library
const vision = require('@google-cloud/vision');

// Creates a client
const client = new vision.ProductSearchClient();

async function listProducts() {
  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';
  // const location = 'A compute region name';

  // Resource path that represents Google Cloud Platform location.
  const locationPath = client.locationPath(projectId, location);

  const [products] = await client.listProducts({parent: locationPath});
  products.forEach(product => {
    console.log(`Product name: ${product.name}`);
    console.log(`Product id: ${product.name.split('/').pop()}`);
    console.log(`Product display name: ${product.displayName}`);
    console.log(`Product description: ${product.description}`);
    console.log(`Product category: ${product.productCategory}`);
    if (product.productLabels.length) {
      console.log('Product labels:');
      product.productLabels.forEach(productLabel => {
        console.log(`${productLabel.key}: ${productLabel.value}`);
      });
    }
  });
}
listProducts();

Python

from google.cloud import vision
from google.protobuf import field_mask_pb2 as field_mask

def list_products(project_id, location):
    """List all products.
    Args:
        project_id: Id of the project.
        location: A compute region name.
    """
    client = vision.ProductSearchClient()

    # A resource that represents Google Cloud Platform location.
    location_path = f"projects/{project_id}/locations/{location}"

    # List all the products available in the region.
    products = client.list_products(parent=location_path)

    # Display the product information.
    for product in products:
        print('Product name: {}'.format(product.name))
        print('Product id: {}'.format(product.name.split('/')[-1]))
        print('Product display name: {}'.format(product.display_name))
        print('Product description: {}'.format(product.description))
        print('Product category: {}'.format(product.product_category))
        print('Product labels: {}\n'.format(product.product_labels))

¿Qué sigue?

A fin de buscar y filtrar muestras de código para otros productos de Google Cloud, consulta el navegador de muestra de Google Cloud.