列出商品集

检索现有商品集的列表。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

• 获取并列出资源

代码示例

Go

如需了解如何安装和使用 Vision API Product Search 客户端库，请参阅 Vision API Product Search 客户端库。如需了解详情，请参阅 Vision API Product Search Go API 参考文档。

如需向 Vision API Product Search 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

如需了解如何安装和使用 Vision API Product Search 客户端库，请参阅 Vision API Product Search 客户端库。如需了解详情，请参阅 Vision API Product Search Java API 参考文档。

如需向 Vision API Product Search 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

/**
 * 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

如需了解如何安装和使用 Vision API Product Search 客户端库，请参阅 Vision API Product Search 客户端库。如需了解详情，请参阅 Vision API Product Search Node.js API 参考文档。

如需向 Vision API Product Search 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

// 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

如需了解如何安装和使用 Vision API Product Search 客户端库，请参阅 Vision API Product Search 客户端库。如需了解详情，请参阅 Vision API Product Search Python API 参考文档。

如需向 Vision API Product Search 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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)

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。