Swift模拟从服务区端加载指定的控制器类型

概述//// MainTableBarControllerViewController.swift// WeiboSwift//// Created by hq on 16/6/6.// Copyright © 2016年 hanqing. All rights reserved.//import UIKitclass MainTabBarController: UITab

////  MaintablebarControllerVIEwController.swift//  WeiboSwift////  Created by hq on 16/6/6.//  copyright © 2016年 hanqing. All rights reserved.//import UIKitclass MainTabbarController: UITabbarController {    overrIDe func vIEwDIDLoad() {        super.vIEwDIDLoad()        addVIEwController()            }        //添加我们的tabbar控制器    private func addVIEwController(){                //模拟从远程加载我们控制器配置信息        let JsonPath=NSBundle.mainBundle().pathForResource("MainVCSettings.Json",ofType: nil);                if ((JsonPath) != nil){                        let JsonData=NSData(contentsOffile: JsonPath!)                        do{                //try 如果出错后，下边的代码不再执行，直接进入到catch                //try! 如果程序出错，直接崩溃                                let JsonArray=try NSJsONSerialization.JsONObjectWithData(JsonData!,options: NSJsONReadingOptions.MutableContainers)                                //swift便利数组                //必须明确数组类型[]表示数组，数组中每个元素key:value为String                for dict in JsonArray as! [[String:String]]{                                        addOneVC(dict["vcname"]!,img: dict["imagename"]!,selectedimg: dict["selimagename"]!,Title: dict["Title"]!)                }                            }catch{                                print(error)                //如果出错了，使用本地默认                                addOneVC("HomeVIEwController",img: "tabbar_home",selectedimg: "tabbar_home_highlighted",Title: "首页")                                addOneVC("MessageVIEwController",img: "tabbar_message_center",selectedimg: "tabbar_message_center_highlighted",Title: "消息")                                addOneVC("discoverVIEwController",img: "tabbar_discover",selectedimg: "tabbar_discover_highlighted",Title: "发现")                                addOneVC("ProfileVIEwController",img: "tabbar_profile",selectedimg: "tabbar_profile_highlighted",Title: "我的")                            }        }    }        //添加一个导航控制器    private func addOneVC(vcname: String,img: String,selectedimg: String,Title: String ){                //获取Info.pList项目的命名空间，并转换为字符串       let nameSpace=NSBundle.mainBundle().infoDictionary!["CFBundleExecutable"] as! String              //拼接命名空间,并将命名空间转换为我们的类       let cla:AnyClass?=NSClassFromString(nameSpace + "." + vcname)               let vccla=cla as! UIVIEwController.Type               //创建我们的类       let vc=vccla.init()                       vc.tabbarItem.image=UIImage(named: img)               vc.tabbarItem.setTitleTextAttributes([NSForegroundcolorAttributename : UIcolor.graycolor()],forState: UIControlState.normal)               vc.tabbarItem.setTitleTextAttributes([NSForegroundcolorAttributename : UIcolor.orangecolor()],forState: UIControlState.Selected)               vc.tabbarItem.selectedImage=UIImage(named: selectedimg)               vc.Title=Title;               let nav=UINavigationController(rootVIEwController: vc)               nav.navigationbar.TitleTextAttributes=[NSForegroundcolorAttributename : UIcolor.blackcolor(),NSFontAttributename:UIFont.systemFontOfSize(16)]               addChildVIEwController(nav)            }    overrIDe func dIDReceiveMemoryWarning() {        super.dIDReceiveMemoryWarning()           }    }

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