Merge pull request #809 from colinin/fix-wrapper-http-response-header

fix(wrapper): repeated response header

aspnet-core/modules/mvc/LINGYUN.Abp.AspNetCore.Mvc.Idempotent.Wrapper/LINGYUN/Abp/AspNetCore/Mvc/Idempotent/Wrapper/IdempotentHttpResponseWrapper.cs

@@ -25,8 +25,11 @@ public class IdempotentHttpResponseWrapper : HttpResponseWrapper, ITransientDepe
     public override void Wrap(HttpResponseWrapperContext context)
     {
         if (context.HttpContext.Items.TryGetValue(nameof(IdempotentAttribute.RedirectUrl), out var redirectUrl) && redirectUrl != null)
+        {
+            if (!context.HttpContext.Response.Headers.ContainsKey(AbpHttpWrapConsts.AbpWrapResult))
             {
                 context.HttpContext.Response.Headers.Add(AbpHttpWrapConsts.AbpWrapResult, "true");
+            }
             context.HttpContext.Response.Redirect(redirectUrl.ToString());
             return;
         }

aspnet-core/modules/mvc/LINGYUN.Abp.AspNetCore.Mvc.Wrapper/LINGYUN/Abp/AspNetCore/Mvc/HttpResponseWrapper.cs

@@ -21,9 +21,12 @@ public class HttpResponseWrapper : IHttpResponseWrapper, ITransientDependency
         if (context.HttpHeaders != null)
         {
             foreach (var header in context.HttpHeaders)
+            {
+                if (!context.HttpContext.Response.Headers.ContainsKey(header.Key))
                 {
                     context.HttpContext.Response.Headers.Add(header.Key, header.Value);
                 }
             }
         }
     }
+}