使用项目 ID 创建客户端

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：

代码示例

C#

如需向 Firestore 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。

FirestoreDb db = FirestoreDb.Create(project);
Console.WriteLine("Created Cloud Firestore client with project ID: {0}", project);

Java

如需向 Firestore 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。

FirestoreOptions firestoreOptions =
    FirestoreOptions.getDefaultInstance().toBuilder()
        .setProjectId(projectId)
        .setCredentials(GoogleCredentials.getApplicationDefault())
        .build();
Firestore db = firestoreOptions.getService();

PHP

如需向 Firestore 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。

use Google\Cloud\Firestore\FirestoreClient;

/**
 * Initialize Cloud Firestore with a provided project ID.
 *
 * @param string $projectId Your Google Cloud Project ID
 */
function setup_client_create_with_project_id(string $projectId): void
{
    // Create the Cloud Firestore client with a provided project ID.
    $db = new FirestoreClient([
        'projectId' => $projectId,
    ]);
    printf('Created Cloud Firestore client with project ID: %s' . PHP_EOL, $projectId);
}

Python

如需向 Firestore 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 firestore

# The `project` parameter is optional and represents which project the client
# will act on behalf of. If not supplied, the client falls back to the default
# project inferred from the environment.
db = firestore.Client(project="my-project-id")

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。