Connection 10 POST of JSON data

Swift 3.0 // // ViewController.swift // Connection010 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.lightGray // 結果表示用のTextViewを用意. let myTextView = UITextView(frame: CGRect(x: 10, y: 50, width: self.view.frame.width - 20, height: 500)) myTextView.backgroundColor = UIColor(red: 0.9, green: 0.9, blue: 1, alpha: 1.0) myTextView.layer.masksToBounds = true myTextView.layer.cornerRadius = 20.0 myTextView.layer.borderWidth = 1 myTextView.layer.borderColor = UIColor.black.cgColor myTextView.font = UIFont.systemFont(ofSize: CGFloat(20)) myTextView.textColor = UIColor.black myTextView.textAlignment = NSTextAlignment.left myTextView.dataDetectorTypes = UIDataDetectorTypes.all myTextView.layer.shadowOpacity = 0.5 myTextView.layer.masksToBounds = false myTextView.isEditable = false self.view.addSubview(myTextView) var json: NSData! // dictionaryで送信するJSONデータを生成. let myDict:NSMutableDictionary = NSMutableDictionary() myDict.setObject("object1", forKey: "key1") myDict.setObject("object2", forKey: "key2") myDict.setObject("object3", forKey: "key3") myDict.setObject("object4", forKey: "key4") // 作成したdictionaryがJSONに変換可能かチェック. if JSONSerialization.isValidJSONObject(myDict){ do { // DictionaryからJSON(NSData)へ変換. json = try JSONSerialization.data(withJSONObject: myDict, options: JSONSerialization.WritingOptions.prettyPrinted) // 生成したJSONデータの確認. print(NSString(data: json as Data, encoding: String.Encoding.utf8.rawValue)!) } catch { print(error) } } // Http通信のリクエスト生成. let config:URLSessionConfiguration = URLSessionConfiguration.default let url:NSURL = NSURL(string: "http:/xxx/json_decode.php")! let request:NSMutableURLRequest = NSMutableURLRequest(url: url as URL) let session:URLSession = URLSession(configuration: config) request.httpMethod = "POST" // jsonのデータを一度文字列にして、キーと合わせる. let data:NSString = "json=\(NSString(data: json as Data, encoding: String.Encoding.utf8.rawValue)!)" // jsonデータのセット. request.httpBody = data.data(using: String.Encoding.utf8.rawValue) let task:URLSessionDataTask = session.dataTask(with: request as URLRequest, completionHandler: { (_data, response, err) -> Void in // バックグラウンドだとUIの処理が出来ないので、メインスレッドでUIの処理を行わせる. DispatchQueue.main.async(execute: { myTextView.text = NSString(data: _data!, encoding: String.Encoding.utf8.rawValue)! as String }) }) task.resume() } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } Swift 2.3 // // ViewController.swift // Connection010 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit class ViewController: UIViewController{ override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.lightGrayColor() // 結果表示用のTextViewを用意. let myTextView = UITextView(frame: CGRectMake(10, 50, self.view.frame.width - 20, 500)) myTextView.backgroundColor = UIColor(red: 0.9, green: 0.9, blue: 1, alpha: 1.0) myTextView.layer.masksToBounds = true myTextView.layer.cornerRadius = 20.0 myTextView.layer.borderWidth = 1 myTextView.layer.borderColor = UIColor.blackColor().CGColor myTextView.font = UIFont.systemFontOfSize(CGFloat(20)) myTextView.textColor = UIColor.blackColor() myTextView.textAlignment = NSTextAlignment.Left myTextView.dataDetectorTypes = UIDataDetectorTypes.All myTextView.layer.shadowOpacity = 0.5 myTextView.layer.masksToBounds = false myTextView.editable = false self.view.addSubview(myTextView) var json: NSData! // dictionaryで送信するJSONデータを生成. let myDict:NSMutableDictionary = NSMutableDictionary() myDict.setObject("object1", forKey: "key1") myDict.setObject("object2", forKey: "key2") myDict.setObject("object3", forKey: "key3") myDict.setObject("object4", forKey: "key4") // 作成したdictionaryがJSONに変換可能かチェック. if NSJSONSerialization.isValidJSONObject(myDict){ do { // DictionaryからJSON(NSData)へ変換. json = try NSJSONSerialization.dataWithJSONObject(myDict, options: NSJSONWritingOptions.PrettyPrinted) // 生成したJSONデータの確認. print(NSString(data: json, encoding: NSUTF8StringEncoding)!) } catch { print(error) } } // Http通信のリクエスト生成. let config:NSURLSessionConfiguration = NSURLSessionConfiguration.defaultSessionConfiguration() let url:NSURL = NSURL(string: "http:/xxx/json_decode.php")! let request:NSMutableURLRequest = NSMutableURLRequest(URL: url) let session:NSURLSession = NSURLSession(configuration: config) request.HTTPMethod = "POST" // jsonのデータを一度文字列にして、キーと合わせる. let data:NSString = "json=\(NSString(data: json, encoding: NSUTF8StringEncoding)!)" // jsonデータのセット. request.HTTPBody = data.dataUsingEncoding(NSUTF8StringEncoding) let task:NSURLSessionDataTask = session.dataTaskWithRequest(request, completionHandler: { (_data, response, err) -> Void in // バックグラウンドだとUIの処理が出来ないので、メインスレッドでUIの処理を行わせる. dispatch_async(dispatch_get_main_queue(), { myTextView.text = NSString(data: _data!, encoding: NSUTF8StringEncoding)! as String }) }) task.resume() } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } } 2.xと3.xの差分 NSURLSessionからURLSessionに変更（他も同じく） デリゲートメソッドの接頭語がURLSession から urlSession に変更 NSJSONSerialization から JSONSerialization に変更 dataUsingEncoding(NSUTF8StringEncoding) から data(using: String.Encoding.utf8.rawValue) に変更