我在我的应用程序中使用 Microsoft 的翻译 API,并使用此代码生成访问 token :
func getAccessToken(){
let key = "---"
let requestUrl = URL(string: "https://api.cognitive.microsoft.com/sts/v1.0/issueToken")
var request = URLRequest(url: requestUrl!)
request.httpMethod = "POST"
request.addValue(key, forHTTPHeaderField: "Ocp-Apim-Subscription-Key")
let task = urlSession.dataTask(with: request) { (data, response, error) in
guard let data = data, error == nil else{
return
}
let token = String(data: data, encoding: String.Encoding(rawValue: String.Encoding.utf8.rawValue))
let realm = try! Realm()
let accessToken = AccessToken()
accessToken.value = token!
try! realm.write {
realm.add(accessToken)
}
}
task.resume()
}
之后,我在 viewDidLoad 方法中使用 getAccessToken 函数,然后尝试像这样访问我的访问 token :
let realm = try! Realm()
let accessTokenObject = realm.objects(AccessToken.self)
let accessToken = accessTokenObject[0].value
print(accessToken)
但我收到此错误:
Terminating app due to uncaught exception 'RLMException', reason: 'Index 0 is out of bounds (must be less than 0)'
如何解决这个错误?我知道我的 getAccessToken 函数不会创建访问 token ,但我不明白为什么。
最佳答案
此代码正在使用快速代码来获取 token :
var azureToken = String()
//Method to get an Azure token.
func getAccessToken() -> String {
print("********get azure token selected********")
let azureKey = "xxxxxxxxxxxxxxxxxxxxxxx"
let postString = azureKey
let request = NSMutableURLRequest(url: URL(string: "https://api.cognitive.microsoft.com/sts/v1.0/issueToken" )!)
request.httpMethod = "POST"
request.addValue(postString, forHTTPHeaderField:"Ocp-Apim-Subscription-Key")
let task = URLSession.shared.dataTask(with: request as URLRequest) {
data, response, error in
print("This is the data ********->", data as Any)
print("This is the response ********->", response as Any)
print("This is the error ********->", error as Any)
if error != nil {
print("error=\(String(describing: error))")
return
}
let responseString = String(data: data!, encoding: .utf8)
print("responseString = \(String(describing: responseString))")
azureToken = responseString!
}
task.resume()
return azureToken
}
关于Swift Realm 'RLMException' ,原因 : 'Index 0 is out of bounds (must be less than 0),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45352693/