[英]POSTMAN POST Request Returns Unsupported Media Type
I am following the API instructions from Adam Freeman's "Pro ASP.NET Core MVC 2".我遵循 Adam Freeman 的“Pro ASP.NET Core MVC 2”中的 API 说明。 I have the following API controller class:
我有以下 API controller class:
[Route("api/[controller]")]
public class ReservationController : Controller
{
private IRepository repository;
public ReservationController(IRepository repo) => repository = repo;
[HttpGet]
public IEnumerable<Reservation> Get() => repository.Reservations;
[HttpGet("{id}")]
public Reservation Get(int id) => repository[id];
[HttpPost]
public Reservation Post([FromBody] Reservation res) =>
repository.AddReservation(new Reservation
{
ClientName = res.ClientName,
Location = res.Location
});
[HttpPut]
public Reservation Put([FromBody] Reservation res) => repository.UpdateReservation(res);
[HttpPatch("{id}")]
public StatusCodeResult Patch(int id, [FromBody]JsonPatchDocument<Reservation> patch)
{
Reservation res = Get(id);
if(res != null)
{
patch.ApplyTo(res);
return Ok();
}
return NotFound();
}
[HttpDelete("{id}")]
public void Delete(int id) => repository.DeleteReservation(id);
}
The text uses PowerShell to test the API but I would like to use Postman. In Postman, the GET call works.文本使用 PowerShell 来测试 API,但我想使用 Postman。在 Postman 中,GET 调用有效。 However, I cannot get the POST method to return a value.
但是,我无法让 POST 方法返回值。 The error reads 'Status Code: 415;
错误显示为“状态代码:415; Unsupported Media Type'
不支持的媒体类型'
In Postman, the Body uses form-data, with:在 Postman 中,Body 使用 form-data,其中:
key: ClientName, value: Anne
key: Location, value: Meeting Room 4
If I select the Type dropdown to "JSON", it reads "Unexpected 'S'"如果我 select Type 下拉菜单为“JSON”,它显示为“Unexpected 'S'”
In the Headers, I have:在标题中,我有:
`key: Content-Type, value: application/json`
I have also tried the following raw data in the body, rather than form data:我还在正文中尝试了以下原始数据,而不是表单数据:
{clientName="Anne"; location="Meeting Room 4"}
The API controller does work and return correct values when I use PowerShell. For the POST method, the following works:当我使用 PowerShell 时,API controller 确实工作并返回正确的值。对于 POST 方法,以下工作:
Invoke-RestMethod http://localhost:7000/api/reservation -Method POST -Body (@{clientName="Anne"; location="Meeting Room 4"} | ConvertTo-Json) -ContentType "application/json"
When using Postman with POST and JSON body you'll have to use the raw
data entry and set it to application/json
and data would be like this: 将Postman与POST和JSON正文一起使用时,您必须使用
raw
数据条目并将其设置为application/json
,数据将如下所示:
{"clientName":"Anne", "location":"Meeting Room 4"}
Note how both key and value are quoted. 请注意如何引用键和值。
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