Elenca set di prodotti

Recupera un elenco di set di prodotti esistenti.

Per saperne di più

Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:

Recupero e creazione dell'elenco delle risorse

Esempio di codice

Go

Per scoprire come installare e utilizzare la libreria client per Product Search dell'API Vision, consulta Librerie client di Vision API Product Search. Per maggiori informazioni, consulta la documentazione di riferimento dell'API Product Search dell'API Vision.Go

Per eseguire l'autenticazione a Product Search dell'API Vision, configurare Credenziali predefinite dell'applicazione. Per maggiori informazioni, consulta Configurare l'autenticazione per un ambiente di sviluppo locale.


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
	"google.golang.org/api/iterator"
)

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

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

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

		fmt.Fprintf(w, "Product set name: %s\n", resp.Name)
		fmt.Fprintf(w, "Product set display name: %s\n", resp.DisplayName)
		fmt.Fprintf(w, "Product set index time:\n")
		fmt.Fprintf(w, "seconds: %d\n", resp.IndexTime.Seconds)
		fmt.Fprintf(w, "nanos: %d\n", resp.IndexTime.Nanos)
	}

	return nil
}

Java

/**
 * List all product sets
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @throws IOException - on I/O errors.
 */
public static void listProductSets(String projectId, String computeRegion) throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {
    // A resource that represents Google Cloud Platform location.
    String formattedParent = LocationName.format(projectId, computeRegion);
    // List all the product sets available in the region.
    for (ProductSet productSet : client.listProductSets(formattedParent).iterateAll()) {
      // Display the product set information
      System.out.println(String.format("Product set name: %s", productSet.getName()));
      System.out.println(
          String.format(
              "Product set id: %s",
              productSet.getName().substring(productSet.getName().lastIndexOf('/') + 1)));
      System.out.println(
          String.format("Product set display name: %s", productSet.getDisplayName()));
      System.out.println("Product set index time:");
      System.out.println(String.format("\tseconds: %s", productSet.getIndexTime().getSeconds()));
      System.out.println(String.format("\tnanos: %s", productSet.getIndexTime().getNanos()));
    }
  }
}

Node.js

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

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

async function listProductSets() {
  /**
   * 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 [productSets] = await client.listProductSets({parent: locationPath});
  productSets.forEach(productSet => {
    console.log(`Product Set name: ${productSet.name}`);
    console.log(`Product Set display name: ${productSet.displayName}`);
  });
}
listProductSets();

Python

from google.cloud import vision

def list_product_sets(project_id, location):
    """List all product sets.
    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 product sets available in the region.
    product_sets = client.list_product_sets(parent=location_path)

    # Display the product set information.
    for product_set in product_sets:
        print(f"Product set name: {product_set.name}")
        print("Product set id: {}".format(product_set.name.split("/")[-1]))
        print(f"Product set display name: {product_set.display_name}")
        print("Product set index time: ")
        print(product_set.index_time)

Passaggi successivi

Per cercare e filtrare esempi di codice per altri prodotti Google Cloud, consulta il browser di esempio Google Cloud.