IOS_swift檔案系統

IOS_swift檔案系統

    func files(){        //應用根目錄        let dir = NSHomeDirectory();        NSLog("dir = \(dir)")                // 文檔目錄        let doc = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0]        NSLog("doc = \(doc)")                // library目錄        let library = NSSearchPathForDirectoriesInDomains(.LibraryDirectory, .UserDomainMask, true)[0]        NSLog("doc = \(library)")                //判斷目錄是否存在        let manager = NSFileManager.defaultManager()        let myDir = "\(doc)/my"        let isExist = manager.fileExistsAtPath(myDir)        if(isExist){            NSLog("存在my檔案夾")        }else{            NSLog("不存在my檔案夾！")            //建立檔案夾            do{                try manager.createDirectoryAtPath(myDir, withIntermediateDirectories: true, attributes: nil)            }catch{            }        }                //判斷檔案是否存在        let myTxt = "\(doc)/my.txt"        let isExistMyTxt = manager.fileExistsAtPath(myTxt)        if(isExistMyTxt){            NSLog("存在my.txt")        }else{            NSLog("不存在my.txt")            //建立檔案            manager.createFileAtPath(myTxt, contents: nil, attributes: nil)        }                // 使用者喜好設定        let userDefault = NSUserDefaults.standardUserDefaults()        userDefault.setObject("2012", forKey: "time")        userDefault.synchronize()                let time = userDefault.stringForKey("time")        NSLog("time = \(time!)")                //儲存檔案        let arr:NSArray = ["11","33","22"]        arr.writeToFile(myTxt, atomically: true)                let content = NSArray(contentsOfFile: myTxt)!        print(content)                //對象儲存        let stuPlist = "\(doc)/stu.plist"        let stu = Student(name: "zhangsan", age: 20)        NSKeyedArchiver.archiveRootObject(stu, toFile: stuPlist)                let stu2 = NSKeyedUnarchiver.unarchiveObjectWithFile(stuPlist) as? Student        if stu2 != nil {            print("name = \(stu2!.name), age = \(stu2!.age)")        }    }