Swift请求数据封装

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////  DataRequest.swift//  MyFirstSwiftDemo////  Created by JackRen on 16/5/30.//  Copyright © 2016年 JackRen. All rights reserved.//import Foundationimport Alamofireclass DataRequest: NSObject{    //新闻信息的详情 id/name/title    var item: [NewsCellModel] = []    var delegate:DataRequestDelegate?    //侧边菜单的主题列表    var list: [SlideMenuThemeModel] = []    var delegate1:ThemeDataRequstDelegate?        func alamofireRequest(url: String){        var model: NewsCellModel?        Alamofire.request(.GET, url, parameters: ["foo": "bar"])            .responseJSON { response in                if let JSON = response.result.value {                    if let json = JSON.objectForKey("stories"){                        for var i = 0; i<json.count; i = i + 1{                            let str1 = json[i].objectForKey("id")as! Int                            //注意images格式，字符串数组                            let str2 = json[i].objectForKey("images")![0]as! String                            let str3 = json[i].objectForKey("title")as! String//                            print(str1)//                            print(str2)//                            print(str3)                            model = NewsCellModel(id: str1, newsImageName: str2, newsTitle: str3)                            self.item.append(model!)                        }                    }                    if let json = JSON.objectForKey("top_stories"){                        for var i = 0; i<json.count; i = i + 1{                            let str1 = json[i].objectForKey("id")as! Int                            //注意images格式，字符串数组                            let str2 = json[i].objectForKey("image")as! String                            let str3 = json[i].objectForKey("title")as! String//                                                        print(str1)//                                                        print(str2)//                                                        print(str3)                            model = NewsCellModel(id: str1, newsImageName: str2, newsTitle: str3)                            self.item.append(model!)                        }                                            }                    //调用代理方法                    self.delegate?.transforValue(self.item)                }        }    }        //请求访问侧面菜单的主题列表数据    func getThemesData() {        Alamofire.request(.GET, "http://news-at.zhihu.com/api/4/themes").responseJSON {response in            let JSON = response.result.value            let json = JSON?.objectForKey("others")            for var i = 0; i<json!.count; i = i + 1{                let str1 = json![i].objectForKey("id")as! Int                let str2 = json![i].objectForKey("name")as! String//                                                                        print(str1)//                                                                        print(str2)                self.list.append(SlideMenuThemeModel(id: str1, name: str2))            }            self.delegate1?.transforThemeDataValue(self.list)        }    }    }
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