update readme.md migrate V2 1%

System.Common.ClientLib/ServiceCollectionExtensions.cs

@@ -1,7 +1,9 @@
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using System;
 using System.Application.Services;
 using System.Application.Services.Implementation;
 using System.Security;
+using MSEXOptions = Microsoft.Extensions.Options.Options;
 
 // ReSharper disable once CheckNamespace
 namespace Microsoft.Extensions.DependencyInjection
@@ -9,13 +11,33 @@ namespace Microsoft.Extensions.DependencyInjection
     public static class ServiceCollectionExtensions
     {
         /// <summary>
-        /// 添加由 Xamarin.Essentials.SecureStorage 实现的 <see cref="IStorage"/>
+        /// 尝试添加配置项
+        /// </summary>
+        /// <typeparam name="TOptions"></typeparam>
+        /// <param name="services"></param>
+        /// <param name="options"></param>
+        /// <returns></returns>
+        public static IServiceCollection TryAddOptions<TOptions>(this IServiceCollection services, TOptions options) where TOptions : class, new()
+        {
+            services.TryAddSingleton(MSEXOptions.Create(options));
+            return services;
+        }
+
+        /// <summary>
+        /// 添加由 Xamarin.Essentials.SecureStorage 或 Repository 实现的 <see cref="IStorage"/>
         /// </summary>
         /// <param name="services"></param>
         /// <returns></returns>
         public static IServiceCollection TryAddStorage(this IServiceCollection services)
         {
-            services.TryAddSingleton<IStorage, ClientStorage>();
+            if (DI.DeviceIdiom == DeviceIdiom.Desktop)
+            {
+                services.TryAddSingleton<IStorage, DesktopClientStorage>();
+            }
+            else
+            {
+                services.TryAddSingleton<IStorage, ClientStorage>();
+            }
             return services;
         }