静态文件下载支持APK类型

Startup.cs

@@ -6,6 +6,7 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.StaticFiles;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -64,8 +65,11 @@ namespace LJProxy
             });
 
             app.UseDefaultFiles();
+            var provider = new FileExtensionContentTypeProvider();
+            provider.Mappings[".apk"] = "application/vnd.android.package-archive";
             app.UseStaticFiles(new StaticFileOptions { 
                 FileProvider = new L1SvrFileProvider(env.ContentRootPath,app.ApplicationServices.GetService<LJClientPoolService>()),
+                ContentTypeProvider = provider
             });
         }
     }