Swift POST请求不起作用

概述我正在尝试使用Swift发布帖子请求.我的目标是将accessstoken facebook发布到服务器但不起作用.这是代码： let myUrlfb = NSURL(string: "MyApiServer");let requestfb = NSMutableURLRequest(URL:myUrlfb!);requestfb.HTTPMethod = "POST";// Compos 我正在尝试使用Swift发布帖子请求.我的目标是将accessstoken facebook发布到服务器但不起作用.这是代码：

let myUrlfb = NSURL(string: "MyAPIServer");let requestfb = NSMutableURLRequest(URL:myUrlfb!);requestfb.httpMethod = "POST";// Compose a query string//We make the post stringlet poststringfb = FBSDKAccesstoken.currentAccesstoken().tokenStringrequestfb.httpBody = poststringfb.dataUsingEnCoding(NSUTF8StringEnCoding);let task = NSURLSession.sharedSession().dataTaskWithRequest(requestfb) {                    data,response,error in    if error != nil    {        print("error=\(error)")        return    }

答案如下：

{"statusCode":400,"error":"Bad Request","message":"child \"access_token\" fails because [access_token is required]","valIDation":{"source":"payload","keys":["access_token"]}})

这样您可以使用POST Web服务：

func webAPI() {            let request = NSMutableURLRequest(URL: NSURL(string: "your url")!)                    request.httpMethod = "POST"            var string = "access_token="            var poststring =       string.stringByAppendingString(FBSDKAccesstoken.currentAccesstoken().tokenString)                request.httpBody = poststring.dataUsingEnCoding(NSUTF8StringEnCoding)                let task = NSURLSession.sharedSession().dataTaskWithRequest(request) { data,error in                    guard error == nil && data != nil else {                                                          // check for fundamental networking error                        print("error=\(error)")                        return                    }                    if let httpStatus = response as? NShttpURLResponse where httpStatus.statusCode != 200 {           // check for http errors                        print("statusCode should be 200,but is \(httpStatus.statusCode)")                        print("response = \(response)")                    }                    let responseString = Nsstring(data: data!,enCoding: NSUTF8StringEnCoding)                    print("responseString = \(responseString)")                }                task.resume()            }    }//End of webAPI function

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