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DOAN.ServiceCore/Middleware/UtcToLocalMiddleware.cs

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+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DOAN.ServiceCore.Middleware
+{
+    public class UtcToLocalMiddleware
+    {
+        private readonly RequestDelegate _next;
+
+        public UtcToLocalMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            // 检查是否是GET请求
+            if (HttpMethods.IsGet(context.Request.Method))
+            {
+                var query = context.Request.Query; // 获取查询参数集合
+                var queryParams = new List<KeyValuePair<string, StringValues>>();
+
+                foreach (var queryParameter in query)
+                {
+                    if(queryParameter.Value.Count()>0)
+                    {
+                        foreach (var value in queryParameter.Value)
+                        {
+                            if (DateTime.TryParse(value,
+                                        CultureInfo.InvariantCulture,
+                                        DateTimeStyles.AssumeUniversal,
+                                        out DateTime utcDate))
+                            {
+                                // 转换为本地时间
+                                var localTime = utcDate.ToLocalTime();
+
+                                queryParams.Add(new KeyValuePair<string, StringValues>(queryParameter.Key, new StringValues(localTime.ToString("o"))));
+                            }
+                            else
+                            {
+                                // 如果不是时间格式，则保持原样添加
+                                queryParams.Add(new KeyValuePair<string, StringValues>(queryParameter.Key, new StringValues(value)));
+                            }
+
+                        }
+
+                    }
+                       
+                   
+                }
+
+                // 构建新的 QueryString
+                var newQueryString = string.Join("&", queryParams.Select(kv => $"{kv.Key}={Uri.EscapeDataString(kv.Value)}"));
+                context.Request.QueryString = new QueryString("?" + newQueryString);
+            }
+
+            // Call the next delegate/middleware in the pipeline
+            await _next(context);
+        }
+    }
+
+
+}