Die Produktsuche befindet sich im Wartungsmodus. Für eine bessere Skalierbarkeit und dieselben Funktionen wie bei der Produktsuche können Sie das Vision Warehouse verwenden.

Diese Seite wurde von der Cloud Translation API übersetzt.

Produkte auflisten

Ruft eine Liste der vorhandenen Produkte ab.

Weitere Informationen

Eine ausführliche Dokumentation, die dieses Codebeispiel enthält, finden Sie hier:

Ressourcen abrufen und auflisten

Codebeispiel

Go

Informationen zum Installieren und Verwenden der Clientbibliothek für die Vision API-Produktsuche finden Sie unter Vision API-Produktsuche-Clientbibliotheken. Weitere Informationen finden Sie in der Vision API Produktsuche Go API Referenzdokumentation.

Richten Sie zur Authentifizierung bei der Vision API-Produktsuche Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.


import (
	"context"
	"fmt"
	"io"

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

// 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: %w", 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: %w", 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 = LocationName.format(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(f"Product name: {product.name}")
        print("Product id: {}".format(product.name.split("/")[-1]))
        print(f"Product display name: {product.display_name}")
        print(f"Product description: {product.description}")
        print(f"Product category: {product.product_category}")
        print(f"Product labels: {product.product_labels}\n")

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.