fix error when exception response has started

Attributes/SimApiAuthAttribute.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
@@ -19,13 +19,16 @@ namespace SimApi.Attributes
         //默认是user登录类型
         public SimApiAuthAttribute()
         {
-            Types = new[] { "user" };
+            Types = new[]
+            {
+                "user"
+            };
         }
 
         //只检测一种用户类型的快捷方式
         public SimApiAuthAttribute(string type)
         {
-            Types = new[] { type };
+            Types = type.Split(",");
         }
 
         //设定特定类型的检测
@@ -37,7 +40,10 @@ namespace SimApi.Attributes
         //只检测一种用户类型的快捷方式
         public SimApiAuthAttribute(string type, string url)
         {
-            Types = new[] { type };
+            Types = new[]
+            {
+                type
+            };
             new HttpPostAttribute(url);
         }
 
@@ -50,10 +56,10 @@ namespace SimApi.Attributes
                 throw new SimApiException(401);
             }
             //检测用户类型
-            if (Types.Intersect(loginInfo.Type).Count() == 0)
+            if (!Types.Intersect(loginInfo.Type).Any())
             {
                 throw new SimApiException(403);
             }
         }
     }
-}
+}

Middlewares/SimApiExceptionMiddleware.cs

@@ -14,6 +14,7 @@ namespace SimApi.Middlewares
     public class SimApiExceptionMiddleware
     {
         private RequestDelegate Next { get; }
+
         private ILogger<SimApiExceptionMiddleware> Log { get; }
 
         public SimApiExceptionMiddleware(RequestDelegate next, ILogger<SimApiExceptionMiddleware> log)
@@ -35,7 +36,10 @@ namespace SimApi.Middlewares
                 await Next(context);
                 if (context.Response.StatusCode != 200)
                 {
-                    if (!new[] {301, 302}.Contains(context.Response.StatusCode))
+                    if (!new[]
+                        {
+                            301, 302
+                        }.Contains(context.Response.StatusCode))
                     {
                         throw new SimApiException(context.Response.StatusCode);
                     }
@@ -70,9 +74,12 @@ namespace SimApi.Middlewares
         /// <param name="response"></param>
         private void ErrorResponse(HttpContext context, SimApiBaseResponse response)
         {
-            context.Response.StatusCode = 200;
-            context.Response.Headers.Add("Content-Type", "application/json");
-            context.Response.WriteAsync(response.ToString());
+            if (!context.Response.HasStarted)
+            {
+                context.Response.StatusCode = 200;
+                context.Response.Headers.Add("Content-Type", "application/json");
+                context.Response.WriteAsync(response.ToString());
+            }
         }
     }
 }