iOS中的NSUserDefaluts

<span style="font-size:18px;">//获取本地存储数据
func get_userDefaults(#key : String)->AnyObject?{
    let userDefaults = NSUserDefaults.standardUserDefaults()
    var saveStr : AnyObject! = userDefaults.objectForKey(key)
    saveStr = (saveStr == nil) ? "" : saveStr
    return saveStr
}
//存储数据
func save_userDefaults(#key : String,#value:AnyObject?){
    let userDefaults = NSUserDefaults.standardUserDefaults()
    userDefaults.setObject(value!, forKey:key)
}
</span>