我尝试使用.NET驱动程序beta1在Google Cloud DataStore中插入实体。这是代码：
String serviceAccountEmail = "***.apps.googleusercontent.com";
var certificate = new X509Certificate2(
@"***-privatekey.p12", "notasecret", X509KeyStorageFlags.Exportable);
ServiceAccountCredential credential = new ServiceAccountCredential(
new ServiceAccountCredential.Initializer(serviceAccountEmail) {
Scopes = new[] {
Google.Apis.Datastore.v1beta1.DatastoreService.Scope.Datastore.ToString().ToLower()
}
}.FromCertificate(certificate));
// Create the service.
var service = new DatastoreService(new BaseClientService.Initializer() {
HttpClientInitializer = credential,
ApplicationName = "***",
});
var request = new GoogleData.BlindWriteRequest();
var entity = new GoogleData.Entity();
entity.Key = new GoogleData.Key();
entity.Key.Path = new List<KeyPathElement>();
entity.Key.Path.Add(new GoogleData.KeyPathElement { Kind = "KindTest", Name = "name" });
var firstName = new GoogleData.Property();
firstName.Values = new List<GoogleData.Value>();
firstName.Values.Add(new GoogleData.Value { StringValue = "FName" });
entity.Properties = new Dictionary<string, Property>();
entity.Properties.Add("FirstName", firstName);
request.Mutation = new GoogleData.Mutation();
request.Mutation.Upsert = new List<GoogleData.Entity>();
request.Mutation.Upsert.Add(entity);
var response = service.Datasets.BlindWrite(request, "***").Execute();
错误是：
"invalid_grant", Description:"", Uri:""
有人知道如何解决此问题吗？
我相信您还需要userinfo.email范围：
https://www.googleapis.com/auth/userinfo.email
另外-确保已启用Cloud Datastore API（请参阅此答案）。
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