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有人可以帮助我使用此站点的示例应用程序：https ://cloud.google.com/natural-language/docs/quickstart-client-libraries#client-libraries-install-php 。我做到了，至少我认为我做到了，一切都需要。而且我不断收到错误 403：

Fatal error: Uncaught exception 'Google\Cloud\Core\Exception\ServiceException' with message '{ "error": { "code": 403, "message": "The request is missing a valid API key.", "status": "PERMISSION_DENIED" } } ' in C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Core\src\RequestWrapper.php:263 Stack trace: #0 

C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Core\src\RequestWrapper.php(168): Google\Cloud\Core\RequestWrapper->convertToGoogleException(Object(GuzzleHttp\Exception\ClientException)) #1 

C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Core\src\RestTrait.php(96): Google\Cloud\Core\RequestWrapper->send(Object(GuzzleHttp\Psr7\Request), Array) #2 

C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Language\src\Connection\Rest.php(69): Google\Cloud\Language\Connection\Rest->send('documents', 'analyzeSentimen...', Array) #3 

C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Language\src\LanguageClient.php(221): Google\Cloud\Language\Connection\Rest->analyzeSentiment(Array) #4 

C:\Users in C:\Users\Admin\Dropbox\HTDOCS\nlp\vendor\google\cloud\Core\src\RequestWrapper.php on line 263
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1 回答 1

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您必须为此 API 创建一个具有权限的服务帐户，然后将私钥下载为 JSON 文件。它在您所遵循的教程中提到，但您也可以通过命令行执行此操作，如此处。

  $ gcloud iam service-accounts create my-account
  $ gcloud iam service-accounts keys create key.json
    --iam-account=my-account@my-project.iam.gserviceaccount.com
  $ export GOOGLE_APPLICATION_CREDENTIALS=key.json
于 2018-05-28T09:08:32.717 回答