swift调用oc项目

 1 //
 2 //  ViewController.swift
 3 //  DemoApp
 4 //
 5 //  Created by jiezhang on 14/10/24.
 6 //  Copyright (c) 2014年 jiezhang. All rights reserved.
 7 //
 8 
 9 import UIKit
10 
11 class ViewController: UIViewController {
12 
13     @IBOutlet weak var weatherInfo: UITextView!
14     override func viewDidLoad() {
15         super.viewDidLoad()
16         updateWeatherInfo()
17     }
18 
19     override func didReceiveMemoryWarning() {
20         super.didReceiveMemoryWarning()
21         // Dispose of any resources that can be recreated.
22     }
23 
24     
25     func updateWeatherInfo() {
26         let manager = AFHTTPRequestOperationManager()
27         let url = "http://api.openweathermap.org/data/2.5/weather"
28         println(url)
29         let params:NSDictionary = ["lat":"37.785834", "lon":"-122.406417", "cnt":0]
30         println(params)
31         manager.GET(url,
32             parameters: params,
33             success: { (operation: AFHTTPRequestOperation!,
34                 responseObject: AnyObject!) in
35                 self.weatherInfo.text = "JSON: " + responseObject.description!
36             },
37             failure: { (operation: AFHTTPRequestOperation!,
38                 error: NSError!) in
39                 self.weatherInfo.text = "Error: " + error.localizedDescription
40                
41         })
42     }
43 
44 <p>}</p>