ios swift http json

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////  ViewController.swift//  http_request////  Created by andy on 14-9-6.//  Copyright (c) 2014年 andy. All rights reserved.//import UIKitclass ViewController: UIViewController {    @IBOutlet var btn:UIButton?    @IBOutlet var lable:UILabel?        override func viewDidLoad() {        super.viewDidLoad()        //TextField    }    @IBAction func btnClick(AnyObject) {       // ss()      loadJsonData()    }        //解析JSON的方法    func loadJsonData(){        //定義擷取json資料的介面地址，這裡定義的是擷取天氣的API介面,還有一個好處，就是swift語句可以不用強制在每條語句結束的時候用";"        var url = NSURL(string:"http://www.weather.com.cn/data/sk/101110101.html")        //擷取JSON資料        var data = NSData.dataWithContentsOfURL(url,options:NSDataReadingOptions.DataReadingUncached,error:nil)        var json:AnyObject = NSJSONSerialization.JSONObjectWithData(data,options:NSJSONReadingOptions.AllowFragments,error:nil)!                //解析擷取JSON欄位值        var weatherInfo:AnyObject = json.objectForKey("weatherinfo")! //json結構欄位名。        var city:AnyObject = weatherInfo.objectForKey("city")!        //以此類推擷取其他欄位的資訊,再此我就不過多贅述了。                //然後把擷取到的json值賦值個相應的控制項即可。        //tv.text = "城市:\(city)" //使用\()可以將變數嵌入到相應的字串中，        println(city)    }            func ss() {        let urlPath: String = "http://www.weather.com.cn/data/sk/101010100.html"        var url: NSURL = NSURL(string: urlPath)        var request1: NSURLRequest = NSURLRequest(URL: url)        let queue:NSOperationQueue = NSOperationQueue()                        NSURLConnection.sendAsynchronousRequest(request1, queue: queue, completionHandler:{ (response: NSURLResponse!, data: NSData!, error: NSError!) -> Void in            /* Your code */                        var err: NSError                        var jsonResult: NSDictionary = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: nil) as NSDictionary                       println("AsSynchronous\(jsonResult)")        })    }        override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.    }}

 

ios swift http json