有一个错误反序列化类型RD.Details的对象。 “�19.95每人'包含无效的UTF8字节

问题描述

当我尝试和反序列化，其中包含一个£符号我得到的异常JSON字符串。

When I try and deserialize a JSON string which contains a £ symbol I get the exception.

有一个错误反序列化类型RD.Details的对象。  ï¿½19.95每人'包含无效的UTF8字节。

我登录的字符串是如下：

The string which I log is as below:

{
   "Promotions":[
      {
         "Name":"Traditional Afternoon Tea £19.95 Per Person",
         "PromotionId":20175,
         "Quantity":2
      }
   ]
}

这是我如何反序列化：

var responseJsonSerializer = new DataContractJsonSerializer(typeof(TR));
Stream serializedStream;
string serializedString;
byte[] buffer;

using (WebResponse webResponse = webRequest.GetResponse())
{
    serializedStream = webResponse.GetResponseStream();

    using (StreamReader sr = new StreamReader(serializedStream))
    {
        serializedString = sr.ReadToEnd();
    }

    Report.Log("Message Response JSON Object: " + serializedString);

    buffer = Encoding.Default.GetBytes(serializedString);

    using (MemoryStream stream = new MemoryStream(buffer))
    {
        return responseJsonSerializer.ReadObject(stream) as TR;
    }
}

我不明白为什么£符号被视为无效UTF8。有不妥的地方，据我所看到的。

I don't understand why the £ symbol is being seen as invalid utf8. There is nothing wrong with it as far as I can see.

推荐答案

原来这是改变的编码行

buffer = Encoding.UTF8.GetBytes(serializedString);

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