我试图创建和运行这个链接中给出的示例项目。下面是代码:
namespace GmailQuickstart
{
class Program
{
static string[] Scopes = { GmailService.Scope.GmailReadonly };
static string ApplicationName = "Gmail API Quickstart";
static void Main(string[] args)
{
UserCredential credential;
using (var stream =
new FileStream("client_secret.json", FileMode.Open, FileAccess.Read))
{
string credPath = System.Environment.GetFolderPath(
System.Environment.SpecialFolder.Personal);
credPath = Path.Combine(credPath, ".credentials");
credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
Scopes,
"user",
CancellationToken.None,
new FileDataStore(credPath, true)).Result;
Console.WriteLine("Credential file saved to: " + credPath);
}
// Create Gmail API service.
var service = new GmailService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
});
// Define parameters of request.
UsersResource.LabelsResource.ListRequest request = service.Users.Labels.List("me");
// List labels.
IList<Label> labels= request.Execute().Labels;
Console.WriteLine("Labels:");
if (labels != null && labels.Count > 0)
{
foreach (var labelItem in labels)
{
Console.WriteLine("{0}", labelItem.Name);
}
}
else
{
Console.WriteLine("No labels found.");
}
Console.Read();
}
}
}
在我完成了google文档中所述的一切之后,包括发布一个秘密。我运行了应用程序/产品的Json文件。
它失败并产生一个异常,包含一个"提供了无效参数"的内部异常。
我已经用新的api凭据等新帐户重新尝试了所有内容,并且仍然发生相同的错误。我做错了什么?
试试这个
ClientSecrets secrets = new ClientSecrets()
{
ClientId = CLIENT_ID,
ClientSecret = CLIENT_SECRET
};
var token = new TokenResponse { RefreshToken = REFRESH_TOKEN };
var credentials = new UserCredential(new GoogleAuthorizationCodeFlow(
new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = secrets
}),
"user",
token);
var service = new GmailService(new BaseClientService.Initializer()
{
HttpClientInitializer = credentials,
ApplicationName = "ApplicationName"
});