商品を一覧表示する

既存商品のリストを取得します。

このコードサンプルが含まれるドキュメント ページ

コンテキストで使用されているコードサンプルを見るには、次のドキュメントをご覧ください。

コードサンプル

Go


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))

次のステップ

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