Question

所以我已经成功声明了一些由JsonDictionary获得的变量，但是继续获得nil，这是我在声明变量时的代码：

var userName : String!
var text : String!
var name : String!
var tweetID : [NSObject : String]!
var tweetIDStr : String!
var userLocation : String!
var UserImgURLStr : String?
var options : NSJSONReadingOptions!

init(jsonDataDictiony : [String : AnyObject])
{

    self.text = jsonDataDictiony["text"] as! String
    self.tweetIDStr = jsonDataDictiony["id_str"] as! String
    //print(jsonDataDictiony)

    if let userDictionary = jsonDataDictiony["user"] as? [String : AnyObject]
    {

        self.userName = userDictionary["screen_name"] as! String
        self.userLocation = userDictionary["location"] as! String
        self.name = userDictionary["name"] as! String

    }

    print(self.text)
    print(self.userName)
    print(self.userLocation)
    print(self.tweetIDStr)
    print("-")

}

func castStringToDictionary()
{

    let jsonData : NSData = tweetIDStr.dataUsingEncoding(NSUTF8StringEncoding)!
    self.tweetID = try! NSJSONSerialization.JSONObjectWithData(jsonData, options: options) as! [NSObject : String]
}

这是尝试调用函数（不同类）时的代码：

var selectedTweet : Tweet!
var twitterNetworkController : NetworkController!
var theTweet = [Tweet]()

override func viewDidLoad()
{

    super.viewDidLoad()

    self.navigationItem.title = selectedTweet.name + "'s tweet"

    twitterNetworkController.fetchTweetID(selectedTweet.tweetID!)
                               //it gets a nil value here ^
    {

        (results, error) in
        if error == nil
        {

            self.theTweet = results!
            self.selectedFeedTableView.reloadData()
        }

        else
        {

           print(error)
        }

    }

}

这是控制台打印：

[“in_reply_to_user_id”：，“possible_sensitive_appealable”：0，“favorite_count”：0，“possible_sensitive”：0，“in_reply_to_status_id”：，“in_reply_to_user_id_str”：，“lang”：en，“favorited”：0，“ id“：736420019152637952，”text“:(在Sate Tegal Marem） - url，”coordinates“：，”geo“：，”user“：{ “contributors_enabled”= 0; “created_at”=“Mon May 21 09:06:46 +0000 2012”; “default_profile”= 0; “default_profile_image”= 0; description =“\ Uad1c \ Ucc2e \ Uc744 \ Ud150 \ Ub370 \ U2b50”; entities = { description = { urls =（）; }; }; “favourites_count”= 11; “follow_request_sent”= 0; “followers_count”= 155; 跟随= 1; “friends_count”= 134; “geo_enabled”= 0; “has_extended_profile”= 0; id = 586390966; “id_str”= 586390966; “is_translation_enabled”= 0; “is_translator”= 0; lang = en; “listed_count”= 0; location =“”; name =“tania。”; notifications = 0; “profile_background_color”= B4DEBA; “profile_background_image_url”= img url; “profile_background_image_url_https”= img url; “profile_background_tile”= 0; “profile_banner_url”= banner url = img url; “profile_image_url_https”= img url; “profile_link_color”= 44A681; “profile_sidebar_border_color”= FFFFFF; “profile_sidebar_fill_color”= FFFFFF; “profile_text_color”= 333333; “profile_use_background_image”= 1; protected = 0; “screen_name”=“tania_alice”; “statuses_count”= 2332; “time_zone”=雅加达; url =“”; “utc_offset”= 25200; 已验证= 0; }，“id_str”：736420019152637952，“created_at”：Sat May 28 04:53:09 +0000 2016，

我替换了所有网址，因为它给出了错误（我的声誉小于10，我无法发布网址）

JSON数据继续返回nil

0 个答案: