添加项目文件。

HT.Cloud.Code/Filter/GlobalExceptionMiddleware.cs

@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+using System;
+using System.Net;
+using System.Threading.Tasks;
+
+namespace HT.Cloud.Code
+{
+	/// <summary>
+	/// 全局异常中间件，api使用
+	/// </summary>
+	public class GlobalExceptionMiddleware
+	{
+		private readonly RequestDelegate next;
+
+		public GlobalExceptionMiddleware(RequestDelegate next)
+		{
+			this.next = next;
+		}
+
+		public async Task Invoke(HttpContext context /* other dependencies */)
+		{
+			try
+			{
+				await next(context);
+			}
+			catch (Exception ex)
+			{
+				await HandleExceptionAsync(context, ex);
+			}
+		}
+
+		private static Task HandleExceptionAsync(HttpContext context, Exception exception)
+		{
+			var code = HttpStatusCode.OK;
+			LogHelper.WriteWithTime(exception);
+			var result = JsonConvert.SerializeObject(new AlwaysResult
+			{
+				state = ResultType.error.ToString(),
+				message = exception.Message
+			});
+			context.Response.ContentType = "application/json";
+			context.Response.StatusCode = (int)code;
+			return context.Response.WriteAsync(result);
+		}
+	}
+}