转移.net core 3.1，为.NET 5做准备

Infrastructure/Extensions/ServerExtension.cs

@@ -0,0 +1,28 @@
+using Infrastructure.Extensions.AutofacManager;
+using Infrastructure.Provider;
+
+namespace Infrastructure.Extensions
+{
+    public static class ServerExtension
+    {
+        /// <summary>
+        /// 返回的路径后面不带/，拼接时需要自己加上/
+        /// </summary>
+        /// <param name="path"></param>
+        /// <returns></returns>
+        public static string MapPath(this string path)
+        {
+            return MapPath(path, false);
+        }
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="rootPath">获取wwwroot路径</param>
+        /// <returns></returns>
+        public static string MapPath(this string path,bool rootPath)
+        {
+            return AutofacContainerModule.GetService<IPathProvider>().MapPath(path,rootPath);
+        }
+    }
+}