[英]ASP.NET Deserialize JSON Returns Null
我是 ASP.NET 的新手,我正在尝试向 YesNo API 发出 GET 请求。
但是,当尝试反序列化 JSON 响应并将值分配给变量时,我得到 null 值。
任何援助将不胜感激!
Controller 代码:
[RoutePrefix("api/YesNo")]
public class YesNoController : ApiController
{
[Route("GetYesNo")]
public HttpResponseMessage GetYesNo()
{
Uri loginUrl = new Uri("https://yesno.wtf/api");
HttpClient client = new HttpClient();
client.BaseAddress = loginUrl;
YesNoModel YesNoData = new YesNoModel();
var httpResponse = Request.CreateResponse(HttpStatusCode.OK);
HttpResponseMessage response = client.GetAsync(client.BaseAddress).Result;
if (response.IsSuccessStatusCode)
{
string data = response.Content.ReadAsStringAsync().Result;
YesNoData = JsonConvert.DeserializeObject<YesNoModel>(data);
}
httpResponse.Content = new StringContent(JsonConvert.SerializeObject(YesNoData), Encoding.UTF8, "application/json");
return httpResponse;
}
}
class YesNoModel
{
string answer { get; set; }
bool forced { get; set; }
string image { get; set; }
}
Postman 响应示例:
{
"answer": "no",
"forced": false,
"image": "https://yesno.wtf/assets/no/20-56c4b19517aa69c8f7081939198341a4.gif"
}
调试时data变量的值: data var value
调试时YesNoData变量的值: YesNoData var value
您需要将您的属性指定为公开的,以便在反序列化中对其进行设置。
class YesNoModel
{
public string answer { get; set; }
public bool forced { get; set; }
public string image { get; set; }
}
公开您的属性
public class YesNoModel
{
public string Answer { get; set; }
public bool Forced { get; set; }
public string Image { get; set; }
}
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