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저는 Swift 2.0 및 Xcode Beta 2를 사용하여 첫 번째 iOS 앱을 개발하고 있습니다. 외부 JSON을 읽고 데이터가있는 테이블 뷰에서 목록을 생성합니다. 오류가 신속 (CAL에서 추가 인수 오류)추가 인수 오류가 있습니다.
@IBAction func registerbutton(sender: AnyObject) {
func application(application: UIApplication!, didFinishLaunchingWithOptions launchOptions: NSDictionary!) -> Bool {
//declare parameter as a dictionary which contains string as key and value combination.
var parameters = ["name": Name.text!, "emailaddress": EmailAddress.text!, "phonenumber": PhoneNumber.text!, "Dealerloaction": dealerlocationtextfield.text!] as Dictionary<String, String>
//create the url with NSURL
let url = NSURL(string: "http://192.168.1.75:3002/users/sign_in") //change the url
//create the session object
var session = NSURLSession.sharedSession()
//now create the NSMutableRequest object using the url object
let request = NSMutableURLRequest(URL: url!)
request.HTTPMethod = "POST" //set http method as POST
var err: NSError?
request.HTTPBody = NSJSONSerialization.dataWithJSONObject(parameters, options: nil, error: &err) // pass dictionary to nsdata object and set it as request body
request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept")
//create dataTask using the session object to send data to the server
var task = session.dataTaskWithRequest(request, completionHandler: {data, response, error -> Void in
print("Response: \(response)")
var strData = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("Body: \(strData)")
var err: NSError?
var json = NSJSONSerialization.JSONObjectWithData(data, options: .MutableLeaves, error: &err) as? NSDictionary
// Did the JSONObjectWithData constructor return an error? If so, log the error to the console
if(err != nil) {
print(err!.localizedDescription)
let jsonStr = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("Error could not parse JSON: '\(jsonStr)'")
}
else {
// The JSONObjectWithData constructor didn't return an error. But, we should still
// check and make sure that json has a value using optional binding.
if let parseJSON = json {
// Okay, the parsedJSON is here, let's get the value for 'success' out of it
var success = parseJSON["success"] as? Int
println("Succes: \(success)")
}
else {
// Woa, okay the json object was nil, something went worng. Maybe the server isn't running?
let jsonStr = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("Error could not parse JSON: \(jsonStr)")
}
}
})
task.resume()
return true
}
실제 오류 메시지를 포함시켜주십시오. –