ASP.net core应用的错误处理

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    else
    {
        app.UseExceptionHandler("/Home/Error");
        app.UseHsts();
    }

    //其他中间件配置

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

public class CustomExceptionFilter : ExceptionFilterAttribute
{
    public override void OnException(ExceptionContext context)
    {
        //处理异常逻辑

        base.OnException(context);
    }
}

[CustomExceptionFilter]
public class HomeController : Controller
{
    public IActionResult Index()
    {
        throw new Exception("发生了一个错误");
    }
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    //其他中间件配置

    app.UseStatusCodePagesWithReExecute("/Error/{0}");

    //其他中间件配置

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

public class ErrorController : Controller
{
    [Route("Error/{statusCode}")]
    public IActionResult HttpStatusCodeHandler(int statusCode)
    {
        //根据状态码处理错误页面逻辑

        return View(statusCode.ToString());
    }
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
{
    //其他中间件配置

    loggerFactory.AddSerilog(); //使用Serilog记录日志

    //其他中间件配置

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