asp.net core文件上传（IFormFile）

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;

namespace AspNetMVC
{
    public class Program
    {
        public static void Main（string[] args）
        {
            var host = new WebHostBuilder（）
                .UseKestrel（）
                .UseContentRoot（Directory.GetCurrentDirectory（））
                .UseIISIntegration（）
                .UseStartup（）
                .Build（）;

            host.Run（）;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\AspNetMVC\
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\AspNetMVC\v14\
     文件       31232  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\AspNetMVC\v14\.suo
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\config\
     文件       76778  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\config\applicationhost.config
     文件         102  2017-11-14 07:26  AspNetCoreFileUpload-master\.vs\restore.dg
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\.vscode\
     文件        1647  2017-11-14 07:26  AspNetCoreFileUpload-master\.vscode\launch.json
     文件        1469  2017-11-14 07:26  AspNetCoreFileUpload-master\AspNetMVC.sln
     文件          94  2017-11-14 07:26  AspNetCoreFileUpload-master\global.json
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\
     文件          33  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\.bowerrc
     文件        1365  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\AspNetMVC.xproj
     文件         236  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\AspNetMVC.xproj.user
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Controllers\
     文件        1917  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Controllers\HomeController.cs
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Migrations\
     文件        1016  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Migrations\20160619063514_MyFirstMigration.Designer.cs
     文件        1069  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Migrations\20160619063514_MyFirstMigration.cs
     文件         984  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Migrations\AppDbContextModelSnapshot.cs
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Models\
     文件         679  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Models\AppDbContext.cs
     文件         548  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Program.cs
     文件        6732  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Project_Readme.html
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Properties\
     文件         613  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Properties\launchSettings.json
     文件        2121  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\Startup.cs
     目录           0  2017-11-14 07:26  AspNetCoreFileUpload-master\src\AspNetMVC\ViewModels\
............此处省略2005个文件信息