404 error when making a POST call from Angular HttpClient to ASP.NET Core 2.2 Web API (with CORS enabled)
问题 I've written a simple ASP.NET Core 2.2 Web API . The POST method always returns a 404 , but GET requests succeed. public class TestPayload { public string test1 { get; set; } public string test2 { get; set; } } [Route("api/[controller]")] [ApiController] public class TestController: ControllerBase { // POST api/create [HttpPost] public async Task<ActionResult<string>> Create([FromBody] TestPayload value) { return Ok(""); } } I get back a 404 error in my Angular HttpClient front-end. let