我有一个图像对象，需要保存在服务器上。我将其转换为字节数组，然后使用可选数据将其序列化为JSON。但是服务器无法成功转换它，并且向我返回了一条错误消息：
{
"Message": "Cannot convert object of type 'System.String' to type 'System.Byte[]'",
"StackTrace": " at System.Web.Script.Serialization.ObjectConverter.ConvertObjectToTypeInternal(Object o, Type type, JavaScriptSerializer serializer, Boolean throwOnError, Object& convertedObject) at System.Web.Script.Serialization.ObjectConverter.AssignToPropertyOrField(Object propertyValue, Object o, String memberName, JavaScriptSerializer serializer, Boolean throwOnError) at System.Web.Script.Serialization.ObjectConverter.ConvertDictionaryToObject(IDictionary`2 dictionary, Type type, JavaScriptSerializer serializer, Boolean throwOnError, Object& convertedObject) at System.Web.Script.Serialization.ObjectConverter.ConvertObjectToTypeInternal(Object o, Type type, JavaScriptSerializer serializer, Boolean throwOnError, Object& convertedObject) at System.Web.Script.Services.WebServiceMethodData.StrongTypeParameters(IDictionary`2 rawParams) at System.Web.Script.Services.RestHandler.InvokeMethod(HttpContext context, WebServiceMethodData methodData, IDictionary`2 rawParams) at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)",
"ExceptionType": "System.InvalidOperationException"
}
我发送的我的Json数据：
{
"articleData": {
"ArticleNumber": "002",
"ArticlePhoto": 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"
},
"sessionId": "d98b2c41-373a-40af-ac3b-874198e22a08"
}
我的请求提供者：
public class JsonProvider : IJsonProvider
{
private const string JsonContentType = "application/json";
public async Task<TResult> MakeApiCall<TResult,TData>(string url, HttpMethod method, TData data)
where TResult : class
{
using (var httpClient = new HttpClient())
{
using (var request = new HttpRequestMessage(method, url))
{
if (method != HttpMethod.Get)
{
var json = await Task.Run(() => JsonConvert.SerializeObject(data))
.ConfigureAwait(false);
request.Content = new StringContent(json, Encoding.UTF8, JsonContentType);
}
HttpResponseMessage response = await httpClient.SendAsync(request)
.ConfigureAwait(false);
var stringSerialized = await response.Content.ReadAsStringAsync()
.ConfigureAwait(false);
return await Task.Run(() => JsonConvert.DeserializeObject<TResult>(serialize))
.ConfigureAwait(false);
}
}
}
}
请求对象：
public class SessionRequest
{
[JsonProperty("sessionId")] public string SessionId { get; set; }
}
public class UploadArticlePhotoRequest : SessionRequest
{
[JsonProperty("articleData")] public PhotoRequest ArticleData { get; set; }
}
public class PhotoRequest
{
[JsonProperty("ArticleNumber")] public string ArticleNumber { get; set; }
[JsonProperty("ArticlePhoto")] public byte[] ArticlePhoto { get; set; }
}
可以转换或编码格式出现问题吗？是客户端应用程序还是服务器问题？