about middleware

AspNetCoreApi/Middlewares/CustomMiddleware1.cs

@@ -0,0 +1,19 @@
+namespace AspNetCoreApi.Middlewares
+{
+    public class CustomMiddleware1
+    {
+        private readonly RequestDelegate _next;
+
+        public CustomMiddleware1(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            Console.WriteLine("Before CustomMiddleware1");
+            await _next(context);
+            Console.WriteLine("After CustomMiddleware1");
+        }
+    }
+}