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我想爲新創建的數據庫添加一個新用戶,如果該用戶存在,那麼我將連接到該數據庫。 我的代碼是:在mongodb中爲數據庫添加一個新用戶
公共CreateDatabaseOperationResult的CreateDatabase(字符串的databaseName,用戶名字符串,字符串密碼,MongoServer服務器) {
CreateDatabaseOperationResult createDatabaseOpResult = new CreateDatabaseOperationResult();
string message = null;
MongoCredentials credentials = new MongoCredentials(username, password);
MongoUser user = new MongoUser(credentials, false);
try
{
if (IsDatabaseNameValid(databaseName, out message))
{
if (server.DatabaseExists(databaseName, admincredentials) == true)
{
createDatabaseOpResult.Database = server.GetDatabase(databaseName, credentials);
MongoUser tempuser = createDatabaseOpResult.Database.FindUser(username);
if (tempuser.Equals(user))
{
//createDatabaseOpResult.DatabaseExists = true;
createDatabaseOpResult.IsOperationSuccessfull = false;
throw new ArgumentException("Database Already exist with different set of credentials ");
}
}
else
{
createDatabaseOpResult.Database = server.GetDatabase(databaseName, credentials);
createDatabaseOpResult.Database.AddUser(user);
//createDatabaseOpResult.DatabaseExists = false;
}
createDatabaseOpResult.IsOperationSuccessfull = true;
}
}
catch (MongoQueryException ex)
{
createDatabaseOpResult.Error = ex;
}
//catch (MongoAuthenticationException ex)
//{
// createDatabaseOpResult.Error = ex;
//}
catch (MongoException ex)
{
createDatabaseOpResult.Error = ex;
}
catch (ArgumentException ex)
{
createDatabaseOpResult.Error = ex;
}
return createDatabaseOpResult;
}
當我使用它連接到數據庫,但現有的數據庫,當我嘗試添加新的使用Database.AddUser給出錯誤'該數據庫的憑據無效' 請參閱錯誤並回復