将自定义命名参数从URL映射到NET Core MVC中的变量

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }

    app.UseRouting();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllerRoute(
            name: "default",
            pattern: "{controller=Home}/{action=Index}/{id?}");
    });
}

[ApiController]
[Route("api/[controller]")]
public class ProductsController : ControllerBase
{
    [HttpGet("{productId}")]
    public ActionResult<Product> GetProduct(int productId)
    {
        // 模拟从数据库获取产品信息
        var product = new Product { Id = productId, Name = "Sample Product" };
        return Ok(product);
    }
}

[HttpGet("{productId}")]
public ActionResult<Product> GetProduct(int productId)
{
    // 使用productId进行业务逻辑处理
    var product = _productService.GetProductById(productId);
    if (product == null)
    {
        return NotFound();
    }
    return Ok(product);
}

[ApiController]
[Route("api/[controller]")]
public class ProductsController : ControllerBase
{
    private readonly IProductService _productService;

    public ProductsController(IProductService productService)
    {
        _productService = productService;
    }

    [HttpGet("{productId}")]
    public ActionResult<Product> GetProduct(int productId)
    {
        var product = _productService.GetProductById(productId);
        if (product == null)
        {
            return NotFound();
        }
        return Ok(product);
    }
}