C# 400通过HttpClient.PutAsync向WebApi提交Json的错误请求
通常,从服务到webapi调用将使用序列化对象,但在本例中,我必须为调用使用json表示 这个过程是将json反序列化到适当的类,然后像往常一样处理 HttpClient Put 方法是从控制台应用程序中调用的C# 400通过HttpClient.PutAsync向WebApi提交Json的错误请求,c#,json,asp.net-core-webapi,dotnet-httpclient,C#,Json,Asp.net Core Webapi,Dotnet Httpclient,通常,从服务到webapi调用将使用序列化对象,但在本例中,我必须为调用使用json表示 这个过程是将json反序列化到适当的类,然后像往常一样处理 HttpClient Put 方法是从控制台应用程序中调用的 public async Task<ApiMessage<string>> PutAsync(Uri baseEndpoint, string relativePath, Dictionary<string, string> headerInfo
public async Task<ApiMessage<string>> PutAsync(Uri baseEndpoint, string relativePath, Dictionary<string, string> headerInfo, string json)
{
HttpClient httpClient = new HttpClient();
if (headerInfo != null)
{
foreach (KeyValuePair<string, string> _header in headerInfo)
_httpClient.DefaultRequestHeaders.Add(_header.Key, _header.Value);
}
httpClient.DefaultRequestHeaders.Accept.Clear();
httpClient.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json-patch+json"));
var content = new StringContent(json, Encoding.UTF8, "application/json-patch+json");
var response = await httpClient.PutAsync(CreateRequestUri(relativePath, baseEndpoint), content);
var data = await response.Content.ReadAsStringAsync();
...
}
这是json负载。我以为[FromBody]
处理简单类型,但这证明我错了
{
"paymentSyncJson": {
"id": 10002,
"fileName": "Empty_20190101.csv",
"comments": "Empty File",
"processingDate": "2019-01-02T19:43:11.373",
"status": "E",
"createdDate": "2019-01-02T19:43:11.373",
"createdBy": "DAME",
"modifiedDate": null,
"modifiedBy": null,
"paymentSyncDetails": []
}
}
您的负载不是字符串,而是json,这就是为什么运行时无法将主体解析为您请求的
string paymentSyncJson
要解决这个问题,请创建一个反映json的匹配dto
public class PaymentDto
{
public PaymentSyncDto PaymentSyncJson { get; set; }
}
public class PaymentSyncDto
{
public int Id { get; set; }
public string FileName { get; set; }
public string Comments { get; set; }
public DateTime ProcessingDate { get; set; }
public string Status { get; set; }
public DateTime CreatedDate { get; set; }
public string CreatedBy { get; set; }
public DateTime ModifiedDate { get; set; }
public string ModifiedBy { get; set; }
public int[] PaymentSyncDetails { get; set; }
}
然后在控制器方法中使用它从请求主体读取数据
public async Task<IActionResult> UpdatePaymentSync([FromBody] PaymentDto payment)
public异步任务UpdatePaymentSync([FromBody]PaymentDto付款)
您的负载不是字符串,而是json,这就是为什么运行时无法将正文解析为您请求的字符串paymentSyncJson
要解决这个问题,请创建一个反映json的匹配dto
public class PaymentDto
{
public PaymentSyncDto PaymentSyncJson { get; set; }
}
public class PaymentSyncDto
{
public int Id { get; set; }
public string FileName { get; set; }
public string Comments { get; set; }
public DateTime ProcessingDate { get; set; }
public string Status { get; set; }
public DateTime CreatedDate { get; set; }
public string CreatedBy { get; set; }
public DateTime ModifiedDate { get; set; }
public string ModifiedBy { get; set; }
public int[] PaymentSyncDetails { get; set; }
}
然后在控制器方法中使用它从请求主体读取数据
public async Task<IActionResult> UpdatePaymentSync([FromBody] PaymentDto payment)
public异步任务UpdatePaymentSync([FromBody]PaymentDto付款)
只是在我的评论上展开
OP做到了:
[HttpPut()]
[Route("")]
[SwaggerResponse(StatusCodes.Status200OK)]
[SwaggerResponse(StatusCodes.Status400BadRequest)]
public async Task<IActionResult> UpdatePaymentSync([FromBody] string paymentSyncJson)
{
if (string.IsNullOrEmpty(paymentSyncJson))
return BadRequest();
//hack: don't have access to models so need to send json rep
var paymentSync = JsonConvert.DeserializeObject<PaymentSync>(paymentSyncJson);
....
}
然后您可以更改此行:
var paymentSync = JsonConvert.DeserializeObject<PaymentSync>(paymentSyncJson);
var paymentSync=JsonConvert.DeserializeObject(paymentSyncJson);
致:
var paymentSync=paymentSyncJson.ToObject();
只是在我的评论上展开
OP做到了:
[HttpPut()]
[Route("")]
[SwaggerResponse(StatusCodes.Status200OK)]
[SwaggerResponse(StatusCodes.Status400BadRequest)]
public async Task<IActionResult> UpdatePaymentSync([FromBody] string paymentSyncJson)
{
if (string.IsNullOrEmpty(paymentSyncJson))
return BadRequest();
//hack: don't have access to models so need to send json rep
var paymentSync = JsonConvert.DeserializeObject<PaymentSync>(paymentSyncJson);
....
}
然后您可以更改此行:
var paymentSync = JsonConvert.DeserializeObject<PaymentSync>(paymentSyncJson);
var paymentSync=JsonConvert.DeserializeObject(paymentSyncJson);
致:
var paymentSync=paymentSyncJson.ToObject();
如果它没有到达您的端点,它可能是路由,我看到您的方法上有一个路由属性是空的,您的控制器类上有路由前缀吗?[FromBody]
将尝试反序列化到给定的对象-在您的例子中是字符串。。您可以将([FromBody]JObject payment)
-这将防止您需要反序列化对象。若要转换为对象,您可以执行payment.ToObject()
@Callumlington请回答这个问题,这样我就可以“检查它”-就是这样@威尔洛佩兹完成了!如果它没有到达端点,可能是路由,我看到你的方法上有一个路由属性是空的,你的控制器类上有路由前缀吗?[FromBody]
将尝试反序列化到给定的对象-在你的例子中是字符串。。您可以将([FromBody]JObject payment)
-这将防止您需要反序列化对象。若要转换为对象,您可以执行payment.ToObject()
@Callumlington请回答这个问题,这样我就可以“检查它”-就是这样@威尔洛佩兹完成了!感谢您的回复,但上面的评论中有一个答案。通常我就是这样做的,效果很好……在这个例子中,这是系统之间的互操作问题感谢您的回复,但上面的评论中有一个答案。通常我就是这样做的,效果很好……在这个例子中,这是系统之间的互操作问题