从字典swift中检索字典

Question

我正在使用swift转换目标c代码。

我从服务器获取数据，其中包含词典中的词典。 我正在获取键值字符串，但无法获取字典。

示例数据：

data =         {
            caption = hello;
            image =             {
                a = "https://www.google.com/1024x1024";
                b = "https://www.google.com/640x640";
                c = "https://www.google.com/480x480";
                d = "https://www.google.com/";

            };
        };

我可以获得标题

let dataDict = (mainDict[data] as? Dictionary<String,AnyObject>)!

Obj.caption=String(dataDict["caption"]!)  //getting hello

Obj.imageDictionary = (dataDict["image"] as? Dictionary<String,String>)! //getting 0 key value pairs

初始化imageDictionary为

var imageDictionary = Dictionary<String, String>()

请建议如何获取图像字典，我希望这个字典存储在imageDictionary对象中。

任何建议都将受到高度赞赏！ 提前谢谢！

Answer 1

试试这个：

let data : [String : Any] = ["caption" : "hello",
                             "image" :["a" : "https://www.google.com/1024x1024",
                      "b" : "https://www.google.com/640x640",
                      "c" : "https://www.google.com/480x480",
                      "d" : "https://www.google.com/",
    ]
]

let caption = data["caption"] as! String
let imageDictionary = data["image"] as! [String : String]

在imageDictionary，我得到了：

["b": "https://www.google.com/640x640", "a": "https://www.google.com/1024x1024", "d": "https://www.google.com/", "c": "https://www.google.com/480x480"]

<强>截图：