添加项目文件。

test/Basic/Controllers/FilesController.cs

@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Basic.Controllers
+{
+    [Route("files")]
+    public class FilesController : Controller
+    {
+        [HttpPost("single")]
+        public IActionResult PostFile(IFormFile file)
+        {
+            throw new NotImplementedException();
+        }
+
+        [HttpPost("multiple")]
+        public IActionResult PostFiles(IFormFileCollection files)
+        {
+            throw new NotImplementedException();
+        }
+
+        [HttpPost("form-with-file")]
+        public IActionResult PostFormWithFile([FromForm]FormWithFile formWithFile)
+        {
+            throw new NotImplementedException();
+        }
+
+        [HttpGet("{name}")]
+        [Produces("application/octet-stream", Type = typeof(FileResult))]
+        public FileResult GetFile(string name)
+        {
+            var stream = new MemoryStream();
+
+            var writer = new StreamWriter(stream);
+            writer.WriteLine("Hello world!");
+            writer.Flush();
+            stream.Position = 0;
+
+            return File(stream, "application/octet-stream", name);
+        }
+    }
+
+    public class FormWithFile
+    {
+        public string Name { get; set; }
+
+        public IFormFile File { get; set; }
+    }
+}