QualityControlPlatform/QualityControlPlatform/Controllers/Base/ErrorController.cs

using Microsoft.AspNetCore.Diagnostics; 
using Microsoft.AspNetCore.Mvc;
using System;
using QualityControlPlatform.Helpers.Nlog;
using QualityControlPlatform.Helpers.Response;

namespace QualityControlPlatform.Controllers.Base
{
    /// <summary>
    /// 全局异常返回
    /// </summary>
    [Route("error")]
    [ApiController]
    public class ErrorController : ControllerBase
    {
        /// <summary>
        /// 全局错误返回
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult Index()
        {
            //UseExceptionHandler中间件中拦截到异常时，会将异常信息保存在请求上下文中，所以我们可以从HttpContext中拿到ExceptionHandler的异常信息：
            var feature = HttpContext.Features.Get<IExceptionHandlerPathFeature>();
            if (feature == null) return ResponseHelper.ServerError();
            var exception = feature.Error;
            LogHelper.Log.Error(exception);
            Console.WriteLine("【ERROR】" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + exception.Message);
            // todo:调用日志组件记录异常信息，或对异常做多路判断
            return ResponseHelper.ServerError();
        }
    }
}