刪除參考圖片

刪除參考圖像。

深入探索

如需包含這個程式碼範例的詳細說明文件，請參閱下列文章：

程式碼範例

Go

在試用這個範例之前，請先按照「使用用戶端程式庫的 Vision 快速入門導覽課程」中的 Go 設定說明操作。詳情請參閱 Vision Go API 參考文件。

如要向 Vision 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證機制」。


import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
)

// deleteReferenceImage deletes a reference image from a product.
func deleteReferenceImage(w io.Writer, projectID string, location string, productID string, referenceImageID string) error {
	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.DeleteReferenceImageRequest{
		Name: fmt.Sprintf("projects/%s/locations/%s/products/%s/referenceImages/%s", projectID, location, productID, referenceImageID),
	}

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

	fmt.Fprintf(w, "Reference image deleted from product.\n")

	return nil
}

Java

在試用這個範例之前，請先按照「使用用戶端程式庫的 Vision 快速入門導覽課程」中的 Java 設定說明操作。詳情請參閱 Vision Java API 參考文件。

如要向 Vision 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證機制」。

/**
 * Delete a reference image.
 *
 * @param projectId - Id of the project.
 * @param computeRegion - Region name.
 * @param productId - Id of the product.
 * @param referenceImageId - Id of the image.
 * @throws IOException - on I/O errors.
 */
public static void deleteReferenceImage(
    String projectId, String computeRegion, String productId, String referenceImageId)
    throws IOException {
  try (ProductSearchClient client = ProductSearchClient.create()) {

    // Get the full path of the reference image.
    String formattedName =
        ImageName.format(projectId, computeRegion, productId, referenceImageId);
    // Delete the reference image.
    client.deleteReferenceImage(formattedName);
    System.out.println("Reference image deleted from product.");
  }
}

Node.js

在試用這個範例之前，請先按照「使用用戶端程式庫的 Vision 快速入門導覽課程」中的 Node.js 設定說明操作。詳情請參閱 Vision Node.js API 參考文件。

如要向 Vision 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證機制」。

const vision = require('@google-cloud/vision');

const client = new vision.ProductSearchClient();

async function deleteReferenceImage() {
  /**
   * 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 referenceImageId = 'Id of the reference image';

  const formattedName = client.referenceImagePath(
    projectId,
    location,
    productId,
    referenceImageId
  );

  const request = {
    name: formattedName,
  };

  await client.deleteReferenceImage(request);
  console.log('Reference image deleted from product.');
}
deleteReferenceImage();

Python

在試用這個範例之前，請先按照「使用用戶端程式庫的 Vision 快速入門導覽課程」中的 Python 設定說明操作。詳情請參閱 Vision Python API 參考文件。

如要向 Vision 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證機制」。

from google.cloud import vision

def delete_reference_image(project_id, location, product_id, reference_image_id):
    """Delete a reference image.
    Args:
        project_id: Id of the project.
        location: A compute region name.
        product_id: Id of the product.
        reference_image_id: Id of the reference image.
    """
    client = vision.ProductSearchClient()

    # Get the full path of the reference image.
    reference_image_path = client.reference_image_path(
        project=project_id,
        location=location,
        product=product_id,
        reference_image=reference_image_id,
    )

    # Delete the reference image.
    client.delete_reference_image(name=reference_image_path)
    print("Reference image deleted from product.")

後續步驟

如要搜尋及篩選其他 Google Cloud 產品的程式碼範例，請參閱Google Cloud 範例瀏覽工具。