以编程方式创建plist文件，而不从我的主bundle中复制plist

如果不使用来自主捆绑包中plist上的文件管理器实例的.copyItemAtPath方法，我将如何创建一个空的plist文件？我想检查我的DocumentDirectory中是否已经创建了plist，如果没有，请创建一个空的plist，然后创建并存储要存储在plist中的键值对。

let fileManager = NSFileManager.defaultManager()
    let documentDirectory = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0] as String
    let path = documentDirectory.stringByAppendingString("/profile.plist")
    if(!fileManager.fileExistsAtPath(path)){
        print(path)
        let data : [String: String] = [
            "Company": "My Company",
            "FullName": "My Full Name",
            "FirstName": "My First Name",
            "LastName": "My Last Name",
            // any other key values
        ]
        let someData = NSDictionary(dictionary: data)
        let isWritten = someData.writeToFile(path, atomically: true)
        print("is the file created: (isWritten)")

    }else{
        print("file exists")
    }

这就是对我有效的方法。

对于swift 3+

    let fileManager = FileManager.default
    let documentDirectory = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String
    let path = documentDirectory.appending("/profile.plist")
    if(!fileManager.fileExists(atPath: path)){
        print(path)
        let data : [String: String] = [
            "Company": "My Company",
            "FullName": "My Full Name",
            "FirstName": "My First Name",
            "LastName": "My Last Name",
            // any other key values
        ]
        let someData = NSDictionary(dictionary: data)
        let isWritten = someData.write(toFile: path, atomically: true)
        print("is the file created: (isWritten)")

    } else {
        print("file exists")
    }

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