Swagger 说明

标识API返回类型

[HttpGet("{id}")]
[ProducesResponseType<Product>(StatusCodes.Status200OK)]
[ProducesResponseType(StatusCodes.Status404NotFound)]
public IActionResult GetById_IActionResult(int id)
{
    var product = _productContext.Products.Find(id);
    return product == null ? NotFound() : Ok(product);
}