调整读取参数

Property.WebApi/Filter/ApiFilterAttribute.cs

@@ -124,17 +124,16 @@ namespace Property.WebApi.Filter
             
             var request = actionContext.HttpContext.Request;
             #region 如果参数是json实体对象，获取序列化后的数据
-
-            request.EnableBuffering();//重置读取
-            request.Body.Seek(0, SeekOrigin.Begin);
-            request.Body.Position = 0;
-            Stream stream = request.Body;
-            Encoding encoding = Encoding.UTF8;       
-
-
-            byte[] buffer = new byte[request.ContentLength.Value];
-            stream.Read(buffer, 0, buffer.Length);
-            string responseData = Encoding.UTF8.GetString(buffer);
+            request.EnableBuffering();
+            string responseData = "";
+            using (var reader = new StreamReader(request.Body, encoding: Encoding.UTF8))
+            {
+                var body = reader.ReadToEndAsync();
+                // Do some processing with body…
+                // Reset the request body stream position so the next middleware can read it
+                responseData = body.Result;
+                request.Body.Position = 0;
+            }
 
             if (!string.IsNullOrWhiteSpace(responseData))
             {