add(filter): 新增全局错误拦截器

backend/IM_API/Filters/GlobalExceptionFilter.cs

@@ -0,0 +1,38 @@
+using IM_API.Dtos;
+using IM_API.Exceptions;
+using IM_API.Tools;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Filters;
+
+namespace IM_API.Filters
+{
+    public class GlobalExceptionFilter : IExceptionFilter
+    {
+        private readonly ILogger<GlobalExceptionFilter> _logger;
+        public GlobalExceptionFilter(ILogger<GlobalExceptionFilter> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnException(ExceptionContext context)
+        {
+            if(context.Exception is BaseException)
+            {
+                var exception = (BaseException)context.Exception;
+                BaseResponse<object?> res = new BaseResponse<object?>(
+                        code:exception.Code,
+                        message: exception.Message,
+                        data:null
+                    );
+                context.Result = new JsonResult(res);
+            }
+            else
+            {
+                _logger.LogError(context.Exception,context.Exception.Message);
+                BaseResponse<object?> res = new BaseResponse<object?>(CodeDefine.SYSTEM_ERROR);
+                context.Result = new JsonResult(res);
+            }
+                context.ExceptionHandled = true;
+        }
+    }
+}

backend/IM_API/Program.cs

@@ -1,5 +1,6 @@
 
 using IM_API.Configs;
+using IM_API.Filters;
 using IM_API.Hubs;
 using IM_API.Models;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
@@ -97,7 +98,10 @@ namespace IM_API
                         }
                     };
                 });
-            builder.Services.AddControllers();
+            builder.Services.AddControllers(options =>
+            {
+                options.Filters.Add<GlobalExceptionFilter>();
+            });
             // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
             builder.Services.AddEndpointsApiExplorer();
             builder.Services.AddSwaggerGen();