>通常,序列化对象将从服务到webapi调用使用,但在这种情况下,我必须使用json表示进行调用。
该过程是将 json 反序列化为正确的类,然后像往常一样处理。
HttpClient Put
从控制台应用内调用方法
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();
...
}
端点
调用永远不会命中终结点。如果我删除 [FromBody]
标记,则会命中端点,但正如预期的那样,该参数为 null。似乎发生了某种过滤。
[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);
....
}
这是 json 有效负载。我以为[FromBody]
处理简单的类型,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": []
}
}
只是扩展我的评论。
OP做了:
[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);
....
}
在他们放置[FromBody] string paymentSyncJson
的地方,FromBody 将尝试反序列化为您指定的类型,在本例中为 string
。我建议这样做:
public async Task<IActionResult> UpdatePaymentSync([FromBody] JObject paymentSyncJson)
然后,您可以更改此行:
var paymentSync = JsonConvert.DeserializeObject<PaymentSync>(paymentSyncJson);
自:
var paymentSync = paymentSyncJson.ToObject<PaymentSync>();
您的有效负载不是一个字符串,而是一个 json,这就是为什么运行时无法将正文解析为您请求的string paymentSyncJson
的原因。
要解决它,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正文中读取数据
public async Task<IActionResult> UpdatePaymentSync([FromBody] PaymentDto payment)