转移.net core 3.1，为.NET 5做准备

Infrastructure/Provider/PathProvider.cs

@@ -0,0 +1,52 @@
+using System.IO;
+using Infrastructure.Extensions;
+using Infrastructure.Extensions.AutofacManager;
+using Microsoft.Extensions.Hosting;
+
+namespace Infrastructure.Provider
+{
+    public interface IPathProvider : IDependency
+    {
+        string MapPath(string path);
+        string MapPath(string path, bool rootPath);
+        IHostEnvironment GetHostingEnvironment();
+    }
+
+    public class PathProvider : IPathProvider
+    {
+        private IHostEnvironment _hostingEnvironment;
+
+        public PathProvider(IHostEnvironment environment)
+        {
+            _hostingEnvironment = environment;
+        }
+        public IHostEnvironment GetHostingEnvironment()
+        {
+            return _hostingEnvironment;
+        }
+
+        /// <summary>
+        /// 获取服务器文件路径
+        /// </summary>
+        /// <param name="path"></param>
+        /// <returns></returns>
+        public string MapPath(string path)
+        {
+            return MapPath(path, false);
+        }
+        /// <summary>
+        /// 获取wwwroot路径
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="rootPath">是否获取wwwroot路径</param>
+        /// <returns></returns>
+        public string MapPath(string path, bool rootPath)
+        {
+            if (rootPath)
+            {
+                return Path.Combine(_hostingEnvironment.ContentRootPath,"wwwroot").ReplacePath();
+            }
+            return Path.Combine(_hostingEnvironment.ContentRootPath, path).ReplacePath();
+        }
+    }
+}