今天下午我花了很长时间尝试在字符串中实现 JSON 的反序列化,起初我使用DataContractJsonSerializer因为我的环境是 Silverlight 但是它似乎不支持使用开箱即用的字典(在许多其他所以问题)。
作为替代方案,我决定暂时使用 JSON.NET(基于上述 SO 问题的答案)并且我遇到了以下问题。
我想反序列化下面的 JSON:
{
"disclaimer": "This data is collected from various providers and provided free of charge for informational purposes only, with no guarantee whatsoever of accuracy, validity, availability or fitness for any purpose; use at your own risk. Other than that - have fun, and please share/watch/fork if you think data like this should be free!",
"license": "Data collected from various providers with public-facing APIs; copyright may apply; not for resale; no warranties given.",
"timestamp": 1334183999,
"base": "USD",
"rates": {
"AED": 3.6732,
"AFN": 48.400002,
"ALL": 106.669998,
}
}
并将其放在以下对象中(字典中的双精度是必需的):
public class ExchangeData
{
public string disclaimer { get; set; }
public string license { get; set; }
public string timestamp { get; set; }
public string @base { get; set; }
public Dictionary<string, double> rates { get; set; }
}
我最近尝试实际让它工作的尝试如下:
StreamReader reader = new StreamReader(args.Result);
ExchangeData data = JsonConvert.DeserializeObject<ExchangeData>(reader.ReadToEnd());
但这会导致以下异常:
无法从程序集“System.Core,Version=3.7.0.0,Culture=neutral,PublicKeyToken=969DB8053D3322AC”加载类型“System.Dynamic.IDynamicMetaObjectProvider”。
根据你所看到的,我的方法是完全错误的,还是我只是犯了一个小学生的错误(或两者兼而有之!)
谢谢你的时间!