C# HttpClient.SendAsync导致错误，无法发送带有此谓词类型的内容体。
C# HttpClient.SendAsync导致错误，无法发送带有此谓词类型的内容体。
提问于 2022-02-22 17:33:06
我收到错误了，不能用这个动词类型的发送内容体。我正在从一个C# VSTO桌面应用程序调用一个GET端点。我做错什么了。
public static string GetCentralPath(LicenseMachineValidateRequestDTO licenseMachine)
{
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", Properties.Settings.Default.Properties["JWT"].DefaultValue.ToString());
var request = new HttpRequestMessage
{
Method = HttpMethod.Get,
RequestUri = new Uri($"{Constants.URL.APIBase}licensemachine/GetCentralPath"),
Content = new StringContent(JsonConvert.SerializeObject(licenseMachine), Encoding.UTF8, "application/json"),
};
using (HttpResponseMessage response = client.SendAsync(request).GetAwaiter().GetResult()) // Causing ERROR
{
var result = GetStringResultFromHttpResponseMessage(response, true);
if (string.IsNullOrEmpty(result))
return null;
return JsonConvert.DeserializeObject<string>(result);
}
}
}终点如下所示：
[HttpGet("GetCentralPath")]
public async Task<IActionResult> GetCentralPath(LicenseMachineValidateRequestDTO dto)
{
// Some code
}回答 1
Stack Overflow用户
发布于 2022-02-22 18:18:19
修复此操作，您不能用get发送正文数据，请参阅下面的HTTP GET with request body文章
[HttpPost("GetCentralPath")]
public async Task<IActionResult> GetCentralPath(LicenseMachineValidateRequestDTO dto)和修复请求，用Post替换方法= HttpMethod.Get，这就是生成错误的原因
var request = new HttpRequestMessage
{
Method = HttpMethod.Post,
RequestUri = new Uri($"{Constants.URL.APIBase}licensemachine/GetCentralPath"),
Content = new StringContent(JsonConvert.SerializeObject(licenseMachine), Encoding.UTF8, "application/json"),
};页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/71225812
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