Produktlabels aktualisieren

Labels für ein Produkt aktualisieren.

Weitere Informationen

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

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"
	field_mask "google.golang.org/genproto/protobuf/field_mask"
)

// updateProductLabels updates product labels of a product.
func updateProductLabels(w io.Writer, projectID string, location string, productID string, key string, value string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.UpdateProductRequest{
		UpdateMask: &field_mask.FieldMask{
			Paths: []string{
				"product_labels",
			},
		},
		Product: &visionpb.Product{
			Name: fmt.Sprintf("projects/%s/locations/%s/products/%s", projectID, location, productID),
			ProductLabels: []*visionpb.Product_KeyValue{
				{
					Key:   key,
					Value: value,
				},
			},
		},
	}

	resp, err := c.UpdateProduct(ctx, req)
	if err != nil {
		return fmt.Errorf("UpdateProduct: %w", err)
	}

	fmt.Fprintf(w, "Product name: %s\n", resp.Name)
	fmt.Fprintf(w, "Updated product labels: %s\n", resp.ProductLabels)

	return nil
}

Java

/**
 * Update the product labels.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @param productId -Id of the product.
 * @param productLabels - Labels of the product.
 * @throws IOException - on I/O errors.
 */
public static void updateProductLabels(
    String projectId, String computeRegion, String productId, String productLabels)
    throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // Get the full path of the product.
    String formattedName = ProductName.format(projectId, computeRegion, productId);

    // Set product name, product labels and product display name.
    // Multiple labels are also supported.
    Product product =
        Product.newBuilder()
            .setName(formattedName)
            .addProductLabels(
                KeyValue.newBuilder()
                    .setKey(productLabels.split(",")[0].split("=")[0])
                    .setValue(productLabels.split(",")[0].split("=")[1])
                    .build())
            .build();

    // Set product update field name.
    FieldMask updateMask = FieldMask.newBuilder().addPaths("product_labels").build();

    // Update the product.
    Product updatedProduct = client.updateProduct(product, updateMask);
    // Display the product information
    System.out.println(String.format("Product name: %s", updatedProduct.getName()));
    System.out.println(String.format("Updated product labels: "));
    for (Product.KeyValue element : updatedProduct.getProductLabelsList()) {
      System.out.println(String.format("%s: %s", element.getKey(), element.getValue()));
    }
  }
}

Node.js

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

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

async function updateProductLabels() {
  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';
  // const location = 'A compute region name';
  // const productId = 'Id of the product';
  // const key = 'The key of the label';
  // const value = 'The value of the label';

  // Resource path that represents full path to the product.
  const productPath = client.productPath(projectId, location, productId);

  const product = {
    name: productPath,
    productLabels: [
      {
        key: key,
        value: value,
      },
    ],
  };

  const updateMask = {
    paths: ['product_labels'],
  };

  const request = {
    product: product,
    updateMask: updateMask,
  };

  const [updatedProduct] = await client.updateProduct(request);
  console.log(`Product name: ${updatedProduct.name}`);
  console.log(`Product display name: ${updatedProduct.displayName}`);
  console.log(`Product description: ${updatedProduct.description}`);
  console.log(`Product category: ${updatedProduct.productCategory}`);
  console.log(
    `Product Labels: ${updatedProduct.productLabels[0].key}: ${updatedProduct.productLabels[0].value}`
  );
}
updateProductLabels();

Python

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

def update_product_labels(project_id, location, product_id, key, value):
    """Update the product labels.
    Args:
        project_id: Id of the project.
        location: A compute region name.
        product_id: Id of the product.
        key: The key of the label.
        value: The value of the label.
    """
    client = vision.ProductSearchClient()

    # Get the name of the product.
    product_path = client.product_path(
        project=project_id, location=location, product=product_id
    )

    # Set product name, product label and product display name.
    # Multiple labels are also supported.
    key_value = vision.Product.KeyValue(key=key, value=value)
    product = vision.Product(name=product_path, product_labels=[key_value])

    # Updating only the product_labels field here.
    update_mask = field_mask.FieldMask(paths=["product_labels"])

    # This overwrites the product_labels.
    updated_product = client.update_product(product=product, update_mask=update_mask)

    # Display the updated product information.
    print(f"Product name: {updated_product.name}")
    print(f"Updated product labels: {product.product_labels}")

Nächste Schritte

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